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TheRock/rocm-libraries/projects/miopen/test/cpu_rnn.hpp
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

4838 lines
201 KiB
C++

/*******************************************************************************
*
* MIT License
*
* Copyright (c) 2023 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*******************************************************************************/
#pragma once
/**********************************************
* LSTM CPU verification functions
**********************************************/
#include "gemm.hpp"
#include "gtest/gtest_desc_guard.hpp"
template <class T>
void LSTMFwdCPUVerify(const miopen::Handle& handle,
bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
const std::vector<T>& in,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
std::vector<T>& hy_host, // current/final hidden state
const std::vector<T>& hx, // initial hidden state
std::vector<T>& cy_host, // current/final cell state
const std::vector<T>& cx, // initial cell state
std::vector<T>& out_host,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength_cpu, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers) for
// unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by hy_h
// related function for bidirection
int inputMode_cpu,
std::vector<T>& rsvspace,
bool hx_is_null,
bool cx_is_null)
{
int batch_n_cpu = sumvc(in_n);
int numlayer = bidirection == 1 ? hy_d / 2 : hy_d;
int bi = bidirection == 1 ? 2 : 1;
int in_stride = in_h;
int out_stride = out_h;
int wei_stride = bi * 4 * hy_h;
int hy_stride = bi * 6 * hy_h;
int h_stride = bi * hy_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
if(inputMode_cpu == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
int wei_shift_bias = (in_h + hy_h + (bi * hy_h + hy_h) * (numlayer - 1)) * wei_stride;
// initial dropoput
std::vector<rocrand_state_xorwow> dropout_states_host;
std::vector<unsigned char> dropout_reservespace_host;
std::vector<T> dropout_hid_state;
TensorDescGuard dropout_inputTensor;
TensorDescGuard dropout_outputTensor;
if(use_dropout)
{
size_t states_size = dropoutDesc.stateSizeInBytes / sizeof(rocrand_state_xorwow);
dropout_states_host = std::vector<rocrand_state_xorwow>(states_size);
InitKernelStateEmulator(dropout_states_host, dropoutDesc);
std::array<int, 2> drop_in_len = {{batch_n_cpu, hy_h * bi}};
std::array<int, 2> drop_in_str = {{hy_stride, 1}};
std::array<int, 2> drop_out_str = {{hy_h * bi, 1}};
miopenSetTensorDescriptor(
dropout_inputTensor, miopenFloat, 2, drop_in_len.data(), drop_in_str.data());
miopenSetTensorDescriptor(
dropout_outputTensor, miopenFloat, 2, drop_in_len.data(), drop_out_str.data());
size_t reserveSpaceSizeInBytes = 0;
miopenDropoutGetReserveSpaceSize(dropout_inputTensor, &reserveSpaceSizeInBytes);
size_t reserve_size = reserveSpaceSizeInBytes / sizeof(unsigned char);
dropout_reservespace_host = std::vector<unsigned char>(reserve_size * (numlayer - 1),
static_cast<unsigned char>(1));
dropout_hid_state =
std::vector<T>((numlayer - 1) * batch_n_cpu * hy_h * bi, static_cast<T>(0));
}
// forward emulator
for(int li = 0; li < numlayer; li++)
{
int hid_shift = li * batch_n_cpu * hy_stride;
int hx_shift = li * in_n.at(0) * h_stride;
// from input
if(li == 0)
{
if(inputMode_cpu == 1)
{
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 4; gi++)
{
rsvspace.at(hid_shift + bs * hy_stride + gi * hy_h + h) +=
in.at(bs * in_stride + h);
if(bidirection == 1)
{
rsvspace.at(hid_shift + bs * hy_stride + (gi + 4) * hy_h + h) +=
in.at(bs * in_stride + h);
}
}
}
}
// from bias
if(biased == 1)
{
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < wei_stride; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) +=
wei.at(wei_shift_bias + h);
}
}
}
}
else
{
gemm_cpu<T>(in.data(),
in_h,
batch_n_cpu,
in_stride,
false,
wei.data(),
in_h,
hy_h * bi * 4,
in_stride,
true,
&rsvspace[hid_shift],
hy_h * bi * 4,
batch_n_cpu,
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < wei_stride; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) +=
wei.at(wei_shift_bias + h);
}
}
}
}
}
else
{
int wei_shift = (in_h + hy_h) * wei_stride + (li - 1) * (bi * hy_h + hy_h) * wei_stride;
int prelayer_shift = (li - 1) * batch_n_cpu * hy_stride + bi * 5 * hy_h;
if(use_dropout)
{
auto dropout_states_tmp = dropout_states_host;
size_t drop_out_offset = (static_cast<size_t>(li) - 1) * batch_n_cpu * hy_h * bi;
DropoutForwardVerify<T>(handle,
dropoutDesc,
miopen::deref(dropout_inputTensor.get()),
rsvspace,
miopen::deref(dropout_outputTensor.get()),
dropout_hid_state,
dropout_reservespace_host,
dropout_states_tmp,
prelayer_shift,
drop_out_offset,
drop_out_offset);
prelayer_shift = drop_out_offset;
}
gemm_cpu<T>(use_dropout ? &dropout_hid_state[prelayer_shift]
: &rsvspace[prelayer_shift],
hy_h * bi,
batch_n_cpu,
use_dropout ? hy_h * bi : hy_stride,
false,
&wei[wei_shift],
hy_h * bi,
hy_h * bi * 4,
bi_stride,
true,
&rsvspace[hid_shift],
hy_h * bi * 4,
batch_n_cpu,
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
int wei_shift_bias_temp = wei_shift_bias + li * 2 * wei_stride;
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < wei_stride; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + h);
}
}
}
}
// from hidden state
int bacc = 0;
int baccbi = batch_n_cpu;
for(int ti = 0; ti < seqLength_cpu; ti++)
{
baccbi -= in_n.at(seqLength_cpu - 1 - ti);
int wei_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
if(ti == 0)
{
if(!hx_is_null)
{
gemm_cpu<T>(&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift],
hy_h,
hy_h * 4,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride],
hy_h * 4,
in_n.at(ti),
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
int wei_shift_bias_temp = wei_shift_bias + (li * 2 + 1) * wei_stride;
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < 4 * hy_h; h++)
{
rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + h);
}
}
}
if(bidirection == 1)
{
gemm_cpu<T>(&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength_cpu - 1 - ti),
uni_stride,
false,
&wei[wei_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + 4 * hy_h],
hy_h * 4,
in_n.at(seqLength_cpu - 1 - ti),
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
int wei_shift_bias_temp = wei_shift_bias + (li * 2 + 1) * wei_stride;
for(int bs = 0; bs < in_n.at(seqLength_cpu - 1 - ti); bs++)
{
for(int h = 0; h < 4 * hy_h; h++)
{
rsvspace.at(hid_shift + baccbi * hy_stride + 4 * hy_h +
bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + 4 * hy_h + h);
}
}
}
}
}
}
else
{
gemm_cpu<T>(&hy_host[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift],
hy_h,
hy_h * 4,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride],
hy_h * 4,
in_n.at(ti),
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
int wei_shift_bias_temp = wei_shift_bias + (li * 2 + 1) * wei_stride;
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < 4 * hy_h; h++)
{
rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + h);
}
}
}
if(bidirection == 1)
{
if(!hx_is_null && in_n.at(seqLength_cpu - 1 - ti) > in_n.at(seqLength_cpu - ti))
{
gemm_cpu<T>(
&hx[hx_shift + hy_n * hy_h + in_n.at(seqLength_cpu - ti) * hy_h],
hy_h,
(in_n.at(seqLength_cpu - 1 - ti) - in_n.at(seqLength_cpu - ti)),
uni_stride,
false,
&wei[wei_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
true,
&rsvspace[hid_shift +
(baccbi + in_n.at(seqLength_cpu - ti)) * hy_stride +
4 * hy_h],
hy_h * 4,
(in_n.at(seqLength_cpu - 1 - ti) - in_n.at(seqLength_cpu - ti)),
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
int wei_shift_bias_temp = wei_shift_bias + (li * 2 + 1) * wei_stride;
for(int bs = in_n.at(seqLength_cpu - ti);
bs < in_n.at(seqLength_cpu - 1 - ti);
bs++)
{
for(int h = 0; h < 4 * hy_h; h++)
{
rsvspace.at(hid_shift + baccbi * hy_stride + 4 * hy_h +
bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + 4 * hy_h + h);
}
}
}
}
gemm_cpu<T>(&hy_host[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength_cpu - ti),
uni_stride,
false,
&wei[wei_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + 4 * hy_h],
hy_h * 4,
in_n.at(seqLength_cpu - ti),
hy_stride,
1,
1);
// from bias
if(biased == 1)
{
int wei_shift_bias_temp = wei_shift_bias + (li * 2 + 1) * wei_stride;
for(int bs = 0; bs < in_n.at(seqLength_cpu - ti); bs++)
{
for(int h = 0; h < 4 * hy_h; h++)
{
rsvspace.at(hid_shift + baccbi * hy_stride + 4 * hy_h +
bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + 4 * hy_h + h);
}
}
}
}
}
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + h), 2) *
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 3 * hy_h + h),
1);
if(ti == 0)
{
if(!cx_is_null)
{
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
activfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h),
2) *
cx.at(hx_shift + bs * uni_stride + h);
}
}
else
{
int prec_shift = li * batch_n_cpu * hy_stride +
(bacc - in_n.at(ti - 1)) * hy_stride + bi * 4 * hy_h;
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h),
2) *
rsvspace.at(prec_shift + bs * hy_stride + h);
}
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 5 * hy_h + h) +=
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h),
2) *
activfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h),
1);
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + h), 2);
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h), 2);
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h),
2);
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 3 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 3 * hy_h + h),
1);
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h),
1);
cy_host.at(hx_shift + bs * uni_stride + h) =
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h);
hy_host.at(hx_shift + bs * uni_stride + h) =
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 5 * hy_h + h);
}
}
if(bidirection == 1)
{
for(int bs = 0; bs < in_n.at(seqLength_cpu - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h + hy_h +
h) +=
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h),
2) *
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 7 * hy_h + h),
1);
if(ti == 0)
{
if(!cx_is_null)
{
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h +
hy_h + h) +=
activfunc(rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
5 * hy_h + h),
2) *
cx.at(hx_shift + bs * uni_stride + hy_n * hy_h + h);
}
}
else
{
if(!cx_is_null &&
in_n.at(seqLength_cpu - 1 - ti) > in_n.at(seqLength_cpu - ti))
{
if(bs >= in_n.at(seqLength_cpu - ti))
{
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h) +=
activfunc(rsvspace.at(hid_shift +
(baccbi + bs) * hy_stride + 5 * hy_h +
h),
2) *
cx.at(hx_shift + bs * uni_stride + hy_n * hy_h + h);
}
}
if(bs < in_n.at(seqLength_cpu - ti))
{
int prec_shift =
li * batch_n_cpu * hy_stride +
(baccbi + in_n.at(seqLength_cpu - 1 - ti)) * hy_stride +
bi * 4 * hy_h + hy_h;
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h +
hy_h + h) +=
activfunc(rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
5 * hy_h + h),
2) *
rsvspace.at(prec_shift + bs * hy_stride + h);
}
}
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 5 * hy_h + hy_h +
h) +=
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 6 * hy_h + h),
2) *
activfunc(rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h),
1);
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h),
2);
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h),
2);
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 6 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 6 * hy_h + h),
2);
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 7 * hy_h + h +
numlayer * batch_n_cpu * hy_stride) =
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 7 * hy_h + h),
1);
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h + hy_h +
h + numlayer * batch_n_cpu * hy_stride) =
activfunc(rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h),
1);
cy_host.at(hx_shift + bs * uni_stride + hy_n * hy_h + h) = rsvspace.at(
hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h + hy_h + h);
hy_host.at(hx_shift + bs * uni_stride + hy_n * hy_h + h) = rsvspace.at(
hid_shift + (baccbi + bs) * hy_stride + bi * 5 * hy_h + hy_h + h);
}
}
}
bacc += in_n.at(ti);
}
}
// output
int prelayer_shift = (numlayer - 1) * batch_n_cpu * hy_stride + bi * 5 * hy_h;
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < out_h; h++)
{
out_host.at(bs * out_stride + h) = rsvspace.at(prelayer_shift + bs * hy_stride + h);
}
}
if(use_dropout)
{
const size_t dropout_size = static_cast<size_t>(numlayer - 1) * batch_n_cpu * hy_h * bi;
const size_t dropout_offset = static_cast<size_t>(numlayer) * batch_n_cpu * hy_stride * 2;
if(dropout_size > 0)
{
for(size_t i = 0; i < dropout_size; i++)
{
rsvspace.at(dropout_offset + i) = dropout_hid_state.at(i);
}
auto p_drop_rsv =
reinterpret_cast<unsigned char*>(&rsvspace.at(dropout_offset + dropout_size));
for(size_t i = 0; i < dropout_size; i++)
{
*(p_drop_rsv + i) = dropout_reservespace_host.at(i);
}
}
}
}
template <class T>
void LSTMBwdDataCPUVerify(bool use_dropout_cpu,
const miopen::DropoutDescriptor& dropoutDesc,
std::vector<T>& din_host,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
const std::vector<T>& dhy_cpu, // current/final hidden state
std::vector<T>& dhx_host,
const std::vector<T>& hx, // initial hidden state
const std::vector<T>& dcy_cpu, // current/final cell state
std::vector<T>& dcx_host,
const std::vector<T>& cx,
const std::vector<T>& out,
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength_cpu, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers)
// for unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by
// hy_h related function for bidirection
int inputMode_cpu,
std::vector<T>& rsvspace,
std::vector<T>& wkspace,
bool cx_is_null,
bool dhy_is_null,
bool dcy_is_null)
{
int batch_n_cpu = sumvc(in_n);
(void)out;
(void)hx;
int numlayer = bidirection == 1 ? hy_d / 2 : hy_d;
int bi = bidirection == 1 ? 2 : 1;
int in_stride = in_h;
int out_stride = out_h;
int wei_stride = bi * 4 * hy_h;
int hy_stride = bi * 6 * hy_h;
int h_stride = bi * hy_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
if(inputMode_cpu == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
// initial dropoput
TensorDescGuard dropout_inputTensor;
std::vector<unsigned char> dropout_reservespace_host;
if(use_dropout_cpu)
{
std::array<int, 2> drop_in_len = {{batch_n_cpu, hy_h * bi}};
std::array<int, 2> drop_in_str = {{hy_stride, 1}};
miopenSetTensorDescriptor(
dropout_inputTensor, miopenFloat, 2, drop_in_len.data(), drop_in_str.data());
size_t reserveSpaceSizeInBytes = 0;
miopenDropoutGetReserveSpaceSize(dropout_inputTensor, &reserveSpaceSizeInBytes);
size_t reserve_size = reserveSpaceSizeInBytes / sizeof(unsigned char);
dropout_reservespace_host = std::vector<unsigned char>(reserve_size * (numlayer - 1),
static_cast<unsigned char>(0));
const size_t dropout_size = static_cast<size_t>(numlayer - 1) * batch_n_cpu * hy_h * bi;
const size_t dropout_offset = static_cast<size_t>(numlayer) * batch_n_cpu * hy_stride * 2;
if(dropout_size > 0)
{
auto p_drop_rsv =
reinterpret_cast<unsigned char*>(&rsvspace.at(dropout_offset + dropout_size));
for(size_t i = 0; i < dropout_size; i++)
{
dropout_reservespace_host.at(i) = *(p_drop_rsv + i);
}
}
}
// bwd data emulator
for(int li = numlayer - 1; li >= 0; li--)
{
int wei_shift = (in_h + hy_h) * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
int hid_shift = li * batch_n_cpu * hy_stride;
int hx_shift = li * in_n.at(0) * h_stride;
if(li == numlayer - 1)
{
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < out_h; h++)
{
wkspace.at(hid_shift + bi * 5 * hy_h + bs * hy_stride + h) +=
dout.at(bs * out_stride + h);
}
}
}
else
{
int prelayer_shift = (li + 1) * batch_n_cpu * hy_stride;
gemm_cpu<T>(&wkspace[prelayer_shift],
hy_h * bi * 4,
batch_n_cpu,
hy_stride,
false,
&wei[wei_shift],
hy_h * bi,
hy_h * bi * 4,
bi_stride,
false,
&wkspace[hid_shift + bi * 5 * hy_h],
hy_h * bi,
batch_n_cpu,
hy_stride,
1,
1);
if(use_dropout_cpu)
{
DropoutBackwardVerify<T>(dropoutDesc,
miopen::deref(dropout_inputTensor.get()),
wkspace,
miopen::deref(dropout_inputTensor.get()),
wkspace,
dropout_reservespace_host,
hid_shift + bi * 5 * hy_h,
hid_shift + bi * 5 * hy_h,
li * batch_n_cpu * hy_h * bi);
}
}
// from hidden state
int bacc = batch_n_cpu;
int baccbi = 0;
for(int ti = seqLength_cpu - 1; ti >= 0; ti--)
{
bacc -= in_n.at(ti);
if(ti == seqLength_cpu - 1)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
if(!dhy_is_null)
{
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 5 * hy_h + h) +=
dhy_cpu.at(hx_shift + bs * uni_stride + h);
}
if(!dcy_is_null)
{
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
dcy_cpu.at(hx_shift + bs * uni_stride + h);
}
}
}
if(bidirection == 1)
{
for(int bs = 0; bs < in_n.at(seqLength_cpu - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
if(!dhy_is_null)
{
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 5 * hy_h +
hy_h + h) +=
dhy_cpu.at(hx_shift + bs * uni_stride + hy_n * hy_h + h);
}
if(!dcy_is_null)
{
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h +
hy_h + h) +=
dcy_cpu.at(hx_shift + bs * uni_stride + hy_n * hy_h + h);
}
}
}
}
}
else
{
if(!dhy_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
for(int bs = in_n.at(ti + 1); bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 5 * hy_h + h) +=
dhy_cpu.at(hx_shift + bs * uni_stride + h);
}
}
}
if(!dcy_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
for(int bs = in_n.at(ti + 1); bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
dcy_cpu.at(hx_shift + bs * uni_stride + h);
}
}
}
int pretime_shift = li * batch_n_cpu * hy_stride + (bacc + in_n.at(ti)) * hy_stride;
int weitime_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
gemm_cpu<T>(&wkspace[pretime_shift],
hy_h * 4,
in_n.at(ti + 1),
hy_stride,
false,
&wei[weitime_shift],
hy_h,
hy_h * 4,
uni_stride,
false,
&wkspace[hid_shift + bacc * hy_stride + bi * 5 * hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
1,
1);
if(bidirection == 1)
{
pretime_shift = li * batch_n_cpu * hy_stride +
(baccbi - in_n.at(seqLength_cpu - 2 - ti)) * hy_stride +
hy_h * 4;
weitime_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride +
hy_h * 4 * uni_stride;
gemm_cpu<T>(&wkspace[pretime_shift],
hy_h * 4,
in_n.at(seqLength_cpu - 1 - ti),
hy_stride,
false,
&wei[weitime_shift],
hy_h,
hy_h * 4,
uni_stride,
false,
&wkspace[hid_shift + baccbi * hy_stride + bi * 5 * hy_h + hy_h],
hy_h,
in_n.at(seqLength_cpu - 1 - ti),
hy_stride,
1,
1);
}
}
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
if(ti < seqLength_cpu - 1)
{
if(bs < in_n.at(ti + 1))
{
int pretime_shift =
li * batch_n_cpu * hy_stride + (bacc + in_n.at(ti)) * hy_stride;
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
wkspace.at(pretime_shift + bs * hy_stride + bi * 4 * hy_h + h) *
activfunc(rsvspace.at(pretime_shift + bs * hy_stride + hy_h + h),
2);
}
}
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) +=
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 5 * hy_h + h) *
dervactivfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h),
1) *
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h),
2);
if(ti == 0)
{
if(!cx_is_null)
{
wkspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h) +=
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h +
h) *
cx.at(hx_shift + bs * uni_stride + h) *
dervactivfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h), 2);
}
}
else
{
int pretime_shift =
li * batch_n_cpu * hy_stride + (bacc - in_n.at(ti - 1)) * hy_stride;
wkspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h) +=
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) *
rsvspace.at(pretime_shift + bs * hy_stride + bi * 4 * hy_h + h) *
dervactivfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + hy_h + h), 2);
}
wkspace.at(hid_shift + (bacc + bs) * hy_stride + h) +=
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) *
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 3 * hy_h + h),
1) *
dervactivfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + h), 2);
wkspace.at(hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h) +=
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 5 * hy_h + h) *
activfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h),
1) *
dervactivfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h), 2);
wkspace.at(hid_shift + (bacc + bs) * hy_stride + 3 * hy_h + h) +=
wkspace.at(hid_shift + (bacc + bs) * hy_stride + bi * 4 * hy_h + h) *
activfunc(rsvspace.at(hid_shift + (bacc + bs) * hy_stride + h), 2) *
dervactivfunc(
rsvspace.at(hid_shift + (bacc + bs) * hy_stride + 3 * hy_h + h), 1);
}
}
if(bidirection == 1)
{
for(int bs = 0; bs < in_n.at(seqLength_cpu - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
if(ti < seqLength_cpu - 1)
{
int pretime_shift =
li * batch_n_cpu * hy_stride +
(baccbi - in_n.at(seqLength_cpu - 2 - ti)) * hy_stride;
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h +
hy_h + h) +=
wkspace.at(pretime_shift + bs * hy_stride + bi * 4 * hy_h + hy_h +
h) *
activfunc(
rsvspace.at(pretime_shift + bs * hy_stride + 5 * hy_h + h), 2);
}
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h + hy_h +
h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 5 * hy_h +
hy_h + h) *
dervactivfunc(rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h),
1) *
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 6 * hy_h + h),
2);
if(ti == 0)
{
if(!cx_is_null)
{
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h) *
cx.at(hx_shift + bs * uni_stride + hy_n * hy_h + h) *
dervactivfunc(rsvspace.at(hid_shift +
(baccbi + bs) * hy_stride + 5 * hy_h +
h),
2);
}
}
else
{
if(!cx_is_null &&
in_n.at(seqLength_cpu - 1 - ti) > in_n.at(seqLength_cpu - ti) &&
bs >= in_n.at(seqLength_cpu - ti))
{
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h) *
cx.at(hx_shift + bs * uni_stride + hy_n * hy_h + h) *
dervactivfunc(rsvspace.at(hid_shift +
(baccbi + bs) * hy_stride + 5 * hy_h +
h),
2);
}
if(bs < in_n.at(seqLength_cpu - ti))
{
int pretime_shift =
li * batch_n_cpu * hy_stride +
(baccbi + in_n.at(seqLength_cpu - 1 - ti)) * hy_stride;
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h) *
rsvspace.at(pretime_shift + bs * hy_stride + bi * 4 * hy_h +
hy_h + h) *
dervactivfunc(rsvspace.at(hid_shift +
(baccbi + bs) * hy_stride + 5 * hy_h +
h),
2);
}
}
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h +
hy_h + h) *
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 7 * hy_h + h),
1) *
dervactivfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h),
2);
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + 6 * hy_h + h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 5 * hy_h +
hy_h + h) *
activfunc(rsvspace.at(hid_shift + (baccbi + bs) * hy_stride +
bi * 4 * hy_h + hy_h + h),
1) *
dervactivfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 6 * hy_h + h),
2);
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + 7 * hy_h + h) +=
wkspace.at(hid_shift + (baccbi + bs) * hy_stride + bi * 4 * hy_h +
hy_h + h) *
activfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h),
2) *
dervactivfunc(
rsvspace.at(hid_shift + (baccbi + bs) * hy_stride + 7 * hy_h + h),
1);
}
}
}
baccbi += in_n.at(seqLength_cpu - 1 - ti);
}
// dcx, dhx
int pretime_shift = li * batch_n_cpu * hy_stride;
int weitime_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
gemm_cpu<T>(&wkspace[pretime_shift],
hy_h * 4,
in_n.at(0),
hy_stride,
false,
&wei[weitime_shift],
hy_h,
hy_h * 4,
uni_stride,
false,
&dhx_host[hx_shift],
hy_h,
in_n.at(0),
uni_stride,
1,
1);
for(int bs = 0; bs < in_n.at(0); bs++)
{
for(int h = 0; h < hy_h; h++)
{
dcx_host.at(hx_shift + bs * uni_stride + h) +=
wkspace.at(pretime_shift + bs * hy_stride + bi * 4 * hy_h + h) *
activfunc(rsvspace.at(pretime_shift + bs * hy_stride + hy_h + h), 2);
}
}
if(bidirection == 1)
{
int ti = seqLength_cpu - 1, cur_bat = 0, pre_bat = batch_n_cpu;
while(ti >= 0)
{
pre_bat -= in_n.at(ti);
if(in_n.at(ti) > cur_bat)
{
pretime_shift = li * batch_n_cpu * hy_stride + (pre_bat + cur_bat) * hy_stride;
gemm_cpu<T>(&wkspace[pretime_shift + 4 * hy_h],
hy_h * 4,
(in_n.at(ti) - cur_bat),
hy_stride,
false,
&wei[weitime_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
false,
&dhx_host[hx_shift + hy_n * hy_h + cur_bat * hy_h],
hy_h,
(in_n.at(ti) - cur_bat),
uni_stride,
1,
1);
for(int bs = cur_bat; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
dcx_host.at(hx_shift + bs * uni_stride + hy_n * hy_h + h) +=
wkspace.at(pretime_shift + (bs - cur_bat) * hy_stride +
bi * 4 * hy_h + hy_h + h) *
activfunc(rsvspace.at(pretime_shift + (bs - cur_bat) * hy_stride +
5 * hy_h + h),
2);
}
}
}
cur_bat = in_n.at(ti--);
}
}
}
// dinput
if(inputMode_cpu == 1)
{
for(int bs = 0; bs < batch_n_cpu; bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 4; gi++)
{
din_host.at(bs * in_stride + h) += wkspace.at(bs * hy_stride + gi * hy_h + h);
if(bidirection == 1)
{
din_host.at(bs * in_stride + h) +=
wkspace.at(bs * hy_stride + (gi + 4) * hy_h + h);
}
}
}
}
}
else
{
gemm_cpu<T>(wkspace.data(),
hy_h * bi * 4,
batch_n_cpu,
hy_stride,
false,
wei.data(),
in_h,
hy_h * bi * 4,
in_stride,
false,
din_host.data(),
in_h,
batch_n_cpu,
in_stride,
1,
1);
}
}
template <class T>
void LSTMBwdWeightCPUVerify(bool use_dropout_cpu,
const std::vector<T>& in,
std::vector<T>& dwei_host, // [ input_state_weight_trans
// hidden_state_weight0_trans
// input1_trans hidden1_trans ...
// output_weight; bidirectional
// reversed weights ]
const std::vector<T>& hx, // initial hidden state
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength_cpu, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden
// layers) for unidirection, 2 by numlayer for
// bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2
// by hy_h related function for bidirection
int inputMode_cpu,
const std::vector<T>& rsvspace,
const std::vector<T>& wkspace,
bool hx_is_null)
{
int batch_n_cpu = sumvc(in_n);
int numlayer = bidirection == 1 ? hy_d / 2 : hy_d;
int bi = bidirection == 1 ? 2 : 1;
int in_stride = in_h;
int wei_stride = bi * 4 * hy_h;
int hy_stride = bi * 6 * hy_h;
int h_stride = bi * hy_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
(void)dout;
(void)out_h;
if(inputMode_cpu == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
int wei_shift_bias = (in_h + hy_h + (bi * hy_h + hy_h) * (numlayer - 1)) * wei_stride;
// bwd weights emulator
for(int li = 0; li < numlayer; li++)
{
// between layers
if(li == 0)
{
if(inputMode_cpu != 1)
{
gemm_cpu<T>(wkspace.data(),
hy_h * bi * 4,
batch_n_cpu,
hy_stride,
true,
in.data(),
in_h,
batch_n_cpu,
in_stride,
false,
dwei_host.data(),
in_h,
hy_h * bi * 4,
in_stride,
1,
1);
}
if(biased == 1)
{
for(int h = 0; h < wei_stride; h++)
{
for(int w = 0; w < batch_n_cpu; w++)
{
dwei_host.at(wei_shift_bias + h) += wkspace.at(w * hy_stride + h);
}
}
}
}
else
{
int prelayer_shift =
use_dropout_cpu
? 2 * numlayer * batch_n_cpu * hy_stride + (li - 1) * batch_n_cpu * hy_h * bi
: (li - 1) * batch_n_cpu * hy_stride + bi * hy_h * 5;
int hid_shift = li * batch_n_cpu * hy_stride;
int wei_shift = (in_h + hy_h) * wei_stride + (li - 1) * (bi * hy_h + hy_h) * wei_stride;
gemm_cpu<T>(&wkspace[hid_shift],
hy_h * bi * 4,
batch_n_cpu,
hy_stride,
true,
&rsvspace[prelayer_shift],
hy_h * bi,
batch_n_cpu,
use_dropout_cpu ? hy_h * bi : hy_stride,
false,
&dwei_host[wei_shift],
hy_h * bi,
hy_h * bi * 4,
bi_stride,
1,
1);
if(biased == 1)
{
wei_shift = wei_shift_bias + li * 2 * wei_stride;
for(int h = 0; h < wei_stride; h++)
{
for(int w = 0; w < batch_n_cpu; w++)
{
dwei_host.at(wei_shift + h) += wkspace.at(hid_shift + w * hy_stride + h);
}
}
}
}
// between time
int bacc = 0;
for(int ti = 0; ti < seqLength_cpu; ti++)
{
int hid_shift = li * batch_n_cpu * hy_stride + bacc * hy_stride;
int hx_shift = li * in_n.at(0) * h_stride;
int wei_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
int pretime_shift;
// between time
if(ti == 0)
{
if(!hx_is_null)
{
gemm_cpu<T>(&wkspace[hid_shift],
hy_h * 4,
in_n.at(ti),
hy_stride,
true,
&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&dwei_host[wei_shift],
hy_h,
hy_h * 4,
uni_stride,
1,
1);
if(biased == 1)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 4; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + h) +=
wkspace.at(hid_shift + w * hy_stride + h);
}
}
}
}
}
else
{
pretime_shift = li * batch_n_cpu * hy_stride +
(bacc - in_n.at(ti - 1)) * hy_stride + bi * 5 * hy_h;
gemm_cpu<T>(&wkspace[hid_shift],
hy_h * 4,
in_n.at(ti),
hy_stride,
true,
&rsvspace[pretime_shift],
hy_h,
in_n.at(ti),
hy_stride,
false,
&dwei_host[wei_shift],
hy_h,
hy_h * 4,
uni_stride,
1,
1);
if(biased == 1)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 4; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + h) +=
wkspace.at(hid_shift + w * hy_stride + h);
}
}
}
}
if(bidirection == 1)
{
if(ti == seqLength_cpu - 1)
{
if(!hx_is_null)
{
gemm_cpu<T>(&wkspace[hid_shift + 4 * hy_h],
hy_h * 4,
in_n.at(ti),
hy_stride,
true,
&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(ti),
uni_stride,
false,
&dwei_host[wei_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
1,
1);
if(biased == 1)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 4; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + hy_h * 4 + h) +=
wkspace.at(hid_shift + hy_h * 4 + w * hy_stride + h);
}
}
}
}
}
else
{
if(!hx_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
gemm_cpu<T>(&wkspace[hid_shift + 4 * hy_h + in_n.at(ti + 1) * hy_stride],
hy_h * 4,
(in_n.at(ti) - in_n.at(ti + 1)),
hy_stride,
true,
&hx[hx_shift + hy_n * hy_h + in_n.at(ti + 1) * hy_h],
hy_h,
(in_n.at(ti) - in_n.at(ti + 1)),
uni_stride,
false,
&dwei_host[wei_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
1,
1);
if(biased == 1)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 4; h++)
{
for(int w = in_n.at(ti + 1); w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + hy_h * 4 + h) +=
wkspace.at(hid_shift + hy_h * 4 + w * hy_stride + h);
}
}
}
}
pretime_shift = li * batch_n_cpu * hy_stride +
(bacc + in_n.at(ti)) * hy_stride + bi * 5 * hy_h;
gemm_cpu<T>(&wkspace[hid_shift + 4 * hy_h],
hy_h * 4,
in_n.at(ti + 1),
hy_stride,
true,
&rsvspace[pretime_shift + hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
false,
&dwei_host[wei_shift + 4 * hy_h * uni_stride],
hy_h,
hy_h * 4,
uni_stride,
1,
1);
if(biased == 1)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 4; h++)
{
for(int w = 0; w < in_n.at(ti + 1); w++)
{
dwei_host.at(bias_shift + hy_h * 4 + h) +=
wkspace.at(hid_shift + hy_h * 4 + w * hy_stride + h);
}
}
}
}
}
bacc += in_n.at(ti);
}
}
}
//////=========END CPU VERIFICATION FUNCTIONS=============
/**********************************************
* RNN TANH_RELU CPU verification functions
* rnn_vanilla_common.hpp
**********************************************/
template <typename T>
void RNNFwdTrainCPUVerify(const miopen::Handle& handle,
bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
const std::vector<T>& in,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
std::vector<T>& hy_host, // current/final hidden state
const std::vector<T>& hx, // initial hidden state
std::vector<T>& out_host,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers) for
// unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by hy_h
// related function for bidirection
int squash,
int inputMode,
std::vector<T>& rsvspace,
bool hx_is_null = false)
{
int batch_n = sumvc(in_n);
int numlayer = bidirection ? hy_d / 2 : hy_d;
int bi = bidirection ? 2 : 1;
int in_stride = in_h;
int hy_stride = hy_h * bi;
int out_stride = out_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
if(inputMode == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
int wei_shift_bias = ((in_h + hy_h) * bi + (bi * hy_h + hy_h) * bi * (numlayer - 1)) * hy_h;
// initial dropoput
std::vector<rocrand_state_xorwow> dropout_states_host;
std::vector<unsigned char> dropout_reservespace_host;
std::vector<T> dropout_hid_state;
TensorDescGuard dropout_inputTensor;
TensorDescGuard dropout_outputTensor;
if(use_dropout)
{
size_t states_size = dropoutDesc.stateSizeInBytes / sizeof(rocrand_state_xorwow);
dropout_states_host = std::vector<rocrand_state_xorwow>(states_size);
InitKernelStateEmulator(dropout_states_host, dropoutDesc);
std::array<int, 2> drop_in_len = {{batch_n, hy_h * bi}};
std::array<int, 2> drop_in_str = {{hy_stride, 1}};
std::array<int, 2> drop_out_str = {{hy_h * bi, 1}};
miopenSetTensorDescriptor(
dropout_inputTensor, miopenFloat, 2, drop_in_len.data(), drop_in_str.data());
miopenSetTensorDescriptor(
dropout_outputTensor, miopenFloat, 2, drop_in_len.data(), drop_out_str.data());
size_t reserveSpaceSizeInBytes = 0;
miopenDropoutGetReserveSpaceSize(dropout_inputTensor, &reserveSpaceSizeInBytes);
size_t reserve_size = reserveSpaceSizeInBytes / sizeof(unsigned char);
dropout_reservespace_host = std::vector<unsigned char>(reserve_size * (numlayer - 1),
static_cast<unsigned char>(1));
dropout_hid_state = std::vector<T>((numlayer - 1) * batch_n * hy_h * bi, static_cast<T>(0));
}
// forward emulator
for(int li = 0; li < numlayer; li++)
{
int hid_shift = li * batch_n * hy_h * bi;
int hx_shift = li * bi * in_n.at(0) * hy_h;
// from input
if(li == 0)
{
if(inputMode == 1)
{
// for(int bs = 0; bs < batch_n; bs++)
miopen::par_for(batch_n, 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) += in.at(bs * in_stride + h);
if(bidirection)
{
rsvspace.at(hid_shift + bs * hy_stride + hy_h + h) +=
in.at(bs * in_stride + h);
}
}
});
// from bias
if(biased)
{
// for(int bs = 0; bs < batch_n; bs++)
miopen::par_for(batch_n, 4, [&](int bs) {
for(int h = 0; h < hy_stride; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) +=
wei.at(wei_shift_bias + h);
}
});
}
}
else
{
gemm_cpu<T>(in.data(),
in_h,
batch_n,
in_stride,
false,
wei.data(),
in_h,
hy_h * bi,
in_stride,
true,
&rsvspace[hid_shift],
hy_h * bi,
batch_n,
hy_stride,
1,
1);
// from bias
if(biased)
{
// for(int bs = 0; bs < batch_n; bs++)
miopen::par_for(batch_n, 4, [&](int bs) {
for(int h = 0; h < hy_stride; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) +=
wei.at(wei_shift_bias + h);
}
});
}
}
}
else
{
int wei_shift = bi * (in_h + hy_h) * hy_h + (li - 1) * bi * (bi * hy_h + hy_h) * hy_h;
int prelayer_shift = (li - 1) * batch_n * hy_h * bi + numlayer * batch_n * hy_h * bi;
if(use_dropout)
{
auto dropout_states_tmp = dropout_states_host;
size_t drop_out_offset = (li - 1ULL) * batch_n * hy_h * bi;
DropoutForwardVerify<T>(handle,
dropoutDesc,
miopen::deref(dropout_inputTensor.get()),
rsvspace,
miopen::deref(dropout_outputTensor.get()),
dropout_hid_state,
dropout_reservespace_host,
dropout_states_tmp,
prelayer_shift,
drop_out_offset,
drop_out_offset);
prelayer_shift = drop_out_offset;
}
gemm_cpu<T>(use_dropout ? &dropout_hid_state[prelayer_shift]
: &rsvspace[prelayer_shift],
hy_h * bi,
batch_n,
use_dropout ? hy_h * bi : hy_stride,
false,
&wei[wei_shift],
hy_h * bi,
hy_h * bi,
bi_stride,
true,
&rsvspace[hid_shift],
hy_h * bi,
batch_n,
hy_stride,
1,
1);
// from bias
if(biased)
{
int wei_shift_bias_temp = wei_shift_bias + bi * li * 2 * hy_h;
// for(int bs = 0; bs < batch_n; bs++)
miopen::par_for(batch_n, 4, [&](int bs) {
for(int h = 0; h < hy_stride; h++)
{
rsvspace.at(hid_shift + bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + h);
}
});
}
}
// from hidden state
int bacc = 0;
int baccbi = batch_n;
for(int ti = 0; ti < seqLength; ti++)
{
baccbi -= in_n.at(seqLength - 1 - ti);
int wei_shift =
li == 0 ? (in_h * hy_h * bi)
: (bi * (in_h + hy_h) * hy_h + (li - 1) * bi * (bi * hy_h + hy_h) * hy_h +
bi * hy_h * hy_stride);
if(ti == 0)
{
if(!hx_is_null)
{
gemm_cpu<T>(&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride],
hy_h,
in_n.at(ti),
hy_stride,
1,
1);
// from bias
if(biased)
{
int wei_shift_bias_temp = wei_shift_bias + bi * (li * 2 + 1) * hy_h;
miopen::par_for(in_n.at(ti), 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + h);
}
});
}
if(bidirection)
{
gemm_cpu<T>(&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
uni_stride,
false,
&wei[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
hy_stride,
1,
1);
// from bias
if(biased)
{
int wei_shift_bias_temp = wei_shift_bias + bi * (li * 2 + 1) * hy_h;
miopen::par_for(in_n.at(seqLength - 1 - ti), 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + baccbi * hy_stride + hy_h +
bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + hy_h + h);
}
});
}
}
}
}
else
{
gemm_cpu<T>(&hy_host[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride],
hy_h,
in_n.at(ti),
hy_stride,
1,
1);
// from bias
if(biased)
{
int wei_shift_bias_temp = wei_shift_bias + bi * (li * 2 + 1) * hy_h;
miopen::par_for(in_n.at(ti), 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + h);
}
});
}
if(bidirection)
{
if(!hx_is_null && in_n.at(seqLength - 1 - ti) > in_n.at(seqLength - ti))
{
gemm_cpu<T>(
&hx[hx_shift + hy_n * hy_h + in_n.at(seqLength - ti) * hy_h],
hy_h,
(in_n.at(seqLength - 1 - ti) - in_n.at(seqLength - ti)),
uni_stride,
false,
&wei[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + (baccbi + in_n.at(seqLength - ti)) * hy_stride +
hy_h],
hy_h,
(in_n.at(seqLength - 1 - ti) - in_n.at(seqLength - ti)),
hy_stride,
1,
1);
// from bias
if(biased)
{
int wei_shift_bias_temp = wei_shift_bias + bi * (li * 2 + 1) * hy_h;
for(int bs = in_n.at(seqLength - ti); bs < in_n.at(seqLength - 1 - ti);
bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + baccbi * hy_stride + hy_h +
bs * hy_stride + h) +=
wei.at(wei_shift_bias_temp + hy_h + h);
}
}
}
}
gemm_cpu<T>(&hy_host[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - ti),
uni_stride,
false,
&wei[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + hy_h],
hy_h,
in_n.at(seqLength - ti),
hy_stride,
1,
1);
// from bias
if(biased)
{
int wei_shift_bias_temp = wei_shift_bias + bi * (li * 2 + 1) * hy_h;
miopen::par_for(in_n.at(seqLength - ti), 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
rsvspace.at(hid_shift + baccbi * hy_stride + hy_h + bs * hy_stride +
h) += wei.at(wei_shift_bias_temp + hy_h + h);
}
});
}
}
}
// for(int bs = 0; bs < in_n[ti]; bs++)
miopen::par_for(in_n.at(ti), 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
hy_host.at(hx_shift + bs * uni_stride + h) =
activfunc(rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h),
squash); // squash_func
rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h +
numlayer * batch_n * hy_h * bi) =
activfunc(rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h),
squash); // squash_func
}
});
if(bidirection)
{
// for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
miopen::par_for(in_n.at(seqLength - 1 - ti), 4, [&](int bs) {
for(int h = 0; h < hy_h; h++)
{
hy_host.at(hx_shift + hy_n * hy_h + bs * uni_stride + h) = activfunc(
rsvspace.at(hid_shift + baccbi * hy_stride + hy_h + bs * hy_stride + h),
squash); // squash_func
rsvspace.at(hid_shift + baccbi * hy_stride + hy_h + bs * hy_stride + h +
numlayer * batch_n * hy_h * bi) =
activfunc(rsvspace.at(hid_shift + baccbi * hy_stride + hy_h +
bs * hy_stride + h),
squash);
}
});
}
bacc += in_n.at(ti);
}
}
// output
int prelayer_shift = (numlayer - 1) * batch_n * hy_h * bi + numlayer * batch_n * hy_h * bi;
if(use_dropout)
{
const size_t dropout_size = static_cast<size_t>(numlayer - 1) * batch_n * hy_h * bi;
const size_t dropout_offset = static_cast<size_t>(numlayer) * batch_n * hy_stride * 2;
if(dropout_size > 0)
{
for(size_t i = 0; i < dropout_size; i++)
{
rsvspace.at(dropout_offset + i) = dropout_hid_state.at(i);
}
auto p_drop_rsv =
reinterpret_cast<unsigned char*>(&rsvspace.at(dropout_offset + dropout_size));
for(size_t i = 0; i < dropout_size; i++)
{
*(p_drop_rsv + i) = dropout_reservespace_host.at(i);
}
}
}
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < out_h; h++)
{
out_host.at(bs * out_stride + h) = rsvspace.at(prelayer_shift + bs * hy_stride + h);
// printf("out_host[%d]: %f\n", bs * out_stride + h, out_host.at(bs * out_stride + h));
}
}
}
template <typename T>
void RNNBwdDataCPUVerify(bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
std::vector<T>& din_host,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
const std::vector<T>& dhy, // current/final hidden state
std::vector<T>& dhx_host,
const std::vector<T>&, // initial hidden state
const std::vector<T>&,
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers)
// for unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by
// hy_h related function for bidirection
int squash,
int inputMode,
std::vector<T>& rsvspace,
std::vector<T>& wkspace,
bool dhy_is_null = false)
{
int batch_n = sumvc(in_n);
int numlayer = bidirection ? hy_d / 2 : hy_d;
int bi = bidirection ? 2 : 1;
int in_stride = in_h;
int hy_stride = hy_h * bi;
int out_stride = out_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
if(inputMode == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
// initial dropoput
TensorDescGuard dropout_inputTensor;
std::vector<unsigned char> dropout_reservespace_host;
if(use_dropout)
{
std::array<int, 2> drop_in_len = {{batch_n, hy_h * bi}};
std::array<int, 2> drop_in_str = {{hy_stride, 1}};
miopenSetTensorDescriptor(
dropout_inputTensor, miopenFloat, 2, drop_in_len.data(), drop_in_str.data());
size_t reserveSpaceSizeInBytes = 0;
miopenDropoutGetReserveSpaceSize(dropout_inputTensor, &reserveSpaceSizeInBytes);
size_t reserve_size = reserveSpaceSizeInBytes / sizeof(unsigned char);
dropout_reservespace_host = std::vector<unsigned char>(reserve_size * (numlayer - 1),
static_cast<unsigned char>(0));
const size_t dropout_size = static_cast<size_t>(numlayer - 1) * batch_n * hy_h * bi;
const size_t dropout_offset = static_cast<size_t>(numlayer) * batch_n * hy_stride * 2;
if(dropout_size > 0)
{
auto p_drop_rsv =
reinterpret_cast<unsigned char*>(&rsvspace.at(dropout_offset + dropout_size));
for(size_t i = 0; i < dropout_size; i++)
{
dropout_reservespace_host.at(i) = *(p_drop_rsv + i);
}
}
}
// bwd data emulator
for(int li = numlayer - 1; li >= 0; li--)
{
int wei_shift = bi * (in_h + hy_h) * hy_h + li * bi * (bi * hy_h + hy_h) * hy_h;
int hid_shift = li * batch_n * hy_h * bi;
int hx_shift = li * bi * in_n.at(0) * hy_h;
if(li == numlayer - 1)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < out_h; h++)
{
wkspace.at(hid_shift + bs * hy_stride + h) += dout.at(bs * out_stride + h);
}
}
}
else
{
int prelayer_shift = (li + 1) * batch_n * hy_h * bi;
gemm_cpu<T>(&wkspace[prelayer_shift],
hy_h * bi,
batch_n,
hy_stride,
false,
&wei[wei_shift],
hy_h * bi,
hy_h * bi,
bi_stride,
false,
&wkspace[hid_shift],
hy_h * bi,
batch_n,
hy_stride,
1,
1);
if(use_dropout)
{
DropoutBackwardVerify<T>(dropoutDesc,
miopen::deref(dropout_inputTensor.get()),
wkspace,
miopen::deref(dropout_inputTensor.get()),
wkspace,
dropout_reservespace_host,
hid_shift,
hid_shift,
li * batch_n * hy_h * bi);
}
}
int bacc = batch_n;
int baccbi = 0;
for(int ti = seqLength - 1; ti >= 0; ti--)
{
bacc -= in_n.at(ti);
// from post state
if(ti == seqLength - 1)
{
if(!dhy_is_null)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
dhy.at(hx_shift + bs * uni_stride + h);
}
}
}
}
else
{
if(!dhy_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
for(int bs = in_n.at(ti + 1); bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
dhy.at(hx_shift + bs * uni_stride + h);
}
}
}
for(int bs = 0; bs < in_n.at(ti + 1); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) +=
dhx_host.at(hx_shift + bs * uni_stride + h);
}
}
}
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h) *= dervactivfunc(
rsvspace.at(hid_shift + bacc * hy_stride + bs * hy_stride + h), squash);
}
}
if(ti < seqLength - 1)
{
for(int bs = 0; bs < in_n.at(ti + 1); bs++)
{
#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 800)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
memset(&dhx_host[hx_shift + bs * uni_stride], 0, hy_h * sizeof(T));
#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 800)
#pragma GCC diagnostic pop
#endif
}
}
wei_shift = li == 0
? (in_h * hy_stride)
: (bi * (in_h + hy_h) * hy_h +
(li - 1) * bi * (bi * hy_h + hy_h) * hy_h + bi * hy_h * hy_stride);
gemm_cpu<T>(&wkspace[hid_shift + bacc * hy_stride],
hy_h,
in_n.at(ti),
hy_stride,
false,
&wei[wei_shift],
hy_h,
hy_h,
uni_stride,
false,
&dhx_host[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
1,
1);
if(bidirection)
{
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
// from post state
if(ti == seqLength - 1)
{
if(!dhy_is_null)
{
wkspace.at(hid_shift + baccbi * hy_stride + hy_h + bs * hy_stride +
h) +=
dhy.at(hx_shift + hy_n * hy_h + bs * uni_stride + h);
}
}
else
{
wkspace.at(hid_shift + baccbi * hy_stride + hy_h + bs * hy_stride +
h) +=
dhx_host.at(hx_shift + hy_n * hy_h + bs * uni_stride + h);
}
wkspace.at(hid_shift + baccbi * hy_stride + hy_h + bs * hy_stride + h) *=
dervactivfunc(rsvspace.at(hid_shift + baccbi * hy_stride + hy_h +
bs * hy_stride + h),
squash);
}
}
if(ti < seqLength - 1)
{
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 800)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#endif
memset(&dhx_host[hx_shift + bs * uni_stride + hy_n * hy_h],
0,
hy_h * sizeof(T));
#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 800)
#pragma GCC diagnostic pop
#endif
}
}
gemm_cpu<T>(&wkspace[hid_shift + baccbi * hy_stride + hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
hy_stride,
false,
&wei[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
false,
&dhx_host[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
uni_stride,
1,
1);
}
baccbi += in_n.at(seqLength - 1 - ti);
}
}
// dinput
if(inputMode == 1)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < hy_h; h++)
{
din_host.at(bs * in_stride + h) += wkspace.at(bs * hy_stride + h);
if(bidirection)
{
din_host.at(bs * in_stride + h) += wkspace.at(bs * hy_stride + hy_h + h);
}
}
}
}
else
{
gemm_cpu<T>(wkspace.data(),
hy_h * bi,
batch_n,
hy_stride,
false,
wei.data(),
in_h,
hy_h * bi,
in_stride,
false,
din_host.data(),
in_h,
batch_n,
in_stride,
1,
1);
}
}
template <typename T>
void RNNBwdWeightCPUVerify(bool use_dropout,
const std::vector<T>& in,
std::vector<T>& dwei_host, // [ input_state_weight_trans
// hidden_state_weight0_trans
// input1_trans hidden1_trans ...
// output_weight; bidirectional
// reversed weights ]
const std::vector<T>& hx, // initial hidden state
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
bool bidirection, // whether using bidirectional net
bool biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden
// layers) for unidirection, 2 by numlayer for
// bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2
// by hy_h related function for bidirection
int squash,
int inputMode,
const std::vector<T>& rsvspace,
const std::vector<T>& wkspace,
bool hx_is_null = false)
{
int batch_n = sumvc(in_n);
int numlayer = bidirection ? hy_d / 2 : hy_d;
int bi = bidirection ? 2 : 1;
int in_stride = in_h;
int hy_stride = hy_h * bi;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
(void)hy_n;
(void)out_h;
(void)dout;
(void)squash;
if(inputMode == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
int wei_len = (bi * (in_h + hy_h) + (numlayer - 1) * bi * (bi + 1) * hy_h) * hy_h;
int wei_shift_bias = wei_len;
// bwd weights emulator
for(int li = 0; li < numlayer; li++)
{
// between layers
if(li == 0)
{
if(inputMode != 1)
{
gemm_cpu<T>(wkspace.data(),
hy_h * bi,
batch_n,
hy_stride,
true,
in.data(),
in_h,
batch_n,
in_stride,
false,
dwei_host.data(),
in_h,
hy_h * bi,
in_stride,
1,
1);
}
if(biased)
{
for(int h = 0; h < hy_stride; h++)
{
for(int w = 0; w < batch_n; w++)
{
dwei_host.at(wei_shift_bias + h) += wkspace.at(w * hy_stride + h);
}
}
}
}
else
{
int prelayer_shift =
use_dropout ? 2 * numlayer * batch_n * hy_stride + (li - 1) * batch_n * hy_h * bi
: (li - 1) * bi * batch_n * hy_h + numlayer * batch_n * hy_h * bi;
int hid_shift = li * bi * batch_n * hy_h;
int wei_shift = bi * (in_h + hy_h) * hy_h + (li - 1) * bi * (bi * hy_h + hy_h) * hy_h;
gemm_cpu<T>(&wkspace[hid_shift],
hy_h * bi,
batch_n,
hy_stride,
true,
&rsvspace[prelayer_shift],
hy_h * bi,
batch_n,
hy_stride,
false,
&dwei_host[wei_shift],
hy_h * bi,
hy_h * bi,
bi_stride,
1,
1);
if(biased)
{
wei_shift = wei_shift_bias + li * bi * 2 * hy_h;
for(int h = 0; h < hy_stride; h++)
{
for(int w = 0; w < batch_n; w++)
{
dwei_host.at(wei_shift + h) += wkspace.at(hid_shift + w * hy_stride + h);
}
}
}
}
int bacc = 0;
for(int ti = 0; ti < seqLength; ti++)
{
int hid_shift = li * bi * batch_n * hy_h + bacc * hy_stride;
int hx_shift = li * bi * in_n.at(0) * hy_h;
int wei_shift;
int pretime_shift;
wei_shift = li == 0
? (in_h * hy_stride)
: (bi * (in_h + hy_h) * hy_h +
(li - 1) * bi * (bi * hy_h + hy_h) * hy_h + bi * hy_h * hy_stride);
// between time
if(ti == 0)
{
if(!hx_is_null)
{
gemm_cpu<T>(&wkspace[hid_shift],
hy_h,
in_n.at(ti),
hy_stride,
true,
&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&dwei_host[wei_shift],
hy_h,
hy_h,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * bi * 2 * hy_h + bi * hy_h;
for(int h = 0; h < hy_h; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + h) +=
wkspace.at(hid_shift + w * hy_stride + h);
}
}
}
}
}
else
{
pretime_shift = li * bi * batch_n * hy_h + (bacc - in_n.at(ti - 1)) * hy_stride +
numlayer * batch_n * hy_h * bi;
gemm_cpu<T>(&wkspace[hid_shift],
hy_h,
in_n.at(ti),
hy_stride,
true,
&rsvspace[pretime_shift],
hy_h,
in_n.at(ti),
hy_stride,
false,
&dwei_host[wei_shift],
hy_h,
hy_h,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * bi * 2 * hy_h + bi * hy_h;
for(int h = 0; h < hy_h; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + h) +=
wkspace.at(hid_shift + w * hy_stride + h);
}
}
}
}
if(bidirection)
{
if(ti == seqLength - 1)
{
if(!hx_is_null)
{
gemm_cpu<T>(&wkspace[hid_shift + hy_h],
hy_h,
in_n.at(ti),
hy_stride,
true,
&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(ti),
uni_stride,
false,
&dwei_host[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * bi * 2 * hy_h + bi * hy_h;
for(int h = 0; h < hy_h; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + hy_h + h) +=
wkspace.at(hid_shift + w * hy_stride + hy_h + h);
}
}
}
}
}
else
{
if(!hx_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
gemm_cpu<T>(&wkspace[hid_shift + hy_h + in_n.at(ti + 1) * hy_stride],
hy_h,
(in_n.at(ti) - in_n.at(ti + 1)),
hy_stride,
true,
&hx[hx_shift + hy_n * hy_h + in_n.at(ti + 1) * hy_h],
hy_h,
(in_n.at(ti) - in_n.at(ti + 1)),
uni_stride,
false,
&dwei_host[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * bi * 2 * hy_h + bi * hy_h;
for(int h = 0; h < hy_h; h++)
{
for(int w = in_n.at(ti + 1); w < in_n.at(ti); w++)
{
dwei_host.at(bias_shift + hy_h + h) +=
wkspace.at(hid_shift + w * hy_stride + hy_h + h);
}
}
}
}
pretime_shift = li * bi * batch_n * hy_h + (bacc + in_n.at(ti)) * hy_stride +
numlayer * batch_n * hy_h * bi;
gemm_cpu<T>(&wkspace[hid_shift + hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
true,
&rsvspace[pretime_shift + hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
false,
&dwei_host[wei_shift + hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * bi * 2 * hy_h + bi * hy_h;
for(int h = 0; h < hy_h; h++)
{
for(int w = 0; w < in_n.at(ti + 1); w++)
{
dwei_host.at(bias_shift + hy_h + h) +=
wkspace.at(hid_shift + w * hy_stride + hy_h + h);
}
}
}
}
}
bacc += in_n.at(ti);
}
}
}
//////=========END RNN TANH_RELU CPU VERIFICATION FUNCTIONS=============
/**********************************************
* GRU CPU verification functions
*
**********************************************/
template <typename T>
void GRUFwdCPUVerify(const miopen::Handle& handle,
bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
const std::vector<T>& in,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
std::vector<T>& hy, // current/final hidden state
const std::vector<T>& hx, // initial hidden state
std::vector<T>& out,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
bool bidirection, // whether using bidirectional net
bool biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers) for
// unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by hy_h
// related function for bidirection
int inputMode,
std::vector<T>& rsvspace,
bool hx_is_null = false)
{
int batch_n = sumvc(in_n);
int numlayer = bidirection ? hy_d / 2 : hy_d;
int bi = bidirection ? 2 : 1;
int in_stride = in_h;
int out_stride = out_h;
int wei_stride = bi * 3 * hy_h;
int hy_stride = bi * 4 * hy_h;
int h_stride = bi * hy_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
if(inputMode == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
int wei_shift_bias = (in_h + hy_h + (bi * hy_h + hy_h) * (numlayer - 1)) * wei_stride;
// initial dropoput
std::vector<rocrand_state_xorwow> dropout_states_host;
std::vector<unsigned char> dropout_reservespace_host;
std::vector<T> dropout_hid_state;
TensorDescGuard dropout_inputTensor;
TensorDescGuard dropout_outputTensor;
if(use_dropout)
{
size_t states_size = dropoutDesc.stateSizeInBytes / sizeof(rocrand_state_xorwow);
dropout_states_host = std::vector<rocrand_state_xorwow>(states_size);
InitKernelStateEmulator(dropout_states_host, dropoutDesc);
std::array<int, 2> drop_in_len = {{batch_n, hy_h * bi}};
std::array<int, 2> drop_in_str = {{hy_stride, 1}};
std::array<int, 2> drop_out_str = {{hy_h * bi, 1}};
miopenSetTensorDescriptor(
dropout_inputTensor, miopenFloat, 2, drop_in_len.data(), drop_in_str.data());
miopenSetTensorDescriptor(
dropout_outputTensor, miopenFloat, 2, drop_in_len.data(), drop_out_str.data());
size_t reserveSpaceSizeInBytes = 0;
miopenDropoutGetReserveSpaceSize(dropout_inputTensor, &reserveSpaceSizeInBytes);
size_t reserve_size = reserveSpaceSizeInBytes / sizeof(unsigned char);
dropout_reservespace_host = std::vector<unsigned char>(reserve_size * (numlayer - 1),
static_cast<unsigned char>(1));
dropout_hid_state = std::vector<T>((numlayer - 1) * batch_n * hy_h * bi, static_cast<T>(0));
}
// forward emulator
for(int li = 0; li < numlayer; li++)
{
int hid_shift = li * batch_n * hy_stride;
int hx_shift = li * in_n.at(0) * h_stride;
int wei_shift_bias_temp = wei_shift_bias + li * 2 * wei_stride;
// from input
if(li == 0)
{
if(inputMode == 1)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 3; gi++)
{
rsvspace[hid_shift + bs * hy_stride + gi * hy_h + h] +=
in[bs * in_stride + h];
if(bidirection)
{
rsvspace[hid_shift + bs * hy_stride + (gi + 3) * hy_h + h] +=
in[bs * in_stride + h];
}
}
}
}
// from bias
if(biased)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < wei_stride; h++)
{
rsvspace[hid_shift + bs * hy_stride + h] += wei[wei_shift_bias + h];
}
}
}
}
else
{
gemm_cpu(in.data(),
in_h,
batch_n,
in_stride,
false,
wei.data(), // wei_state.data(),
in_h,
hy_h * bi * 3,
in_stride,
true,
&rsvspace[hid_shift],
hy_h * bi * 3,
batch_n,
hy_stride,
1,
1);
// from bias
if(biased)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < wei_stride; h++)
{
rsvspace[hid_shift + bs * hy_stride + h] += wei[wei_shift_bias + h];
}
}
}
}
}
else
{
int wei_shift = (in_h + hy_h) * wei_stride + (li - 1) * (bi * hy_h + hy_h) * wei_stride;
int prelayer_shift = (li - 1) * batch_n * hy_stride + bi * 3 * hy_h;
if(use_dropout)
{
auto dropout_states_tmp = dropout_states_host;
size_t drop_out_offset = (static_cast<size_t>(li) - 1) * batch_n * hy_h * bi;
DropoutForwardVerify<T>(handle,
dropoutDesc,
miopen::deref(dropout_inputTensor.get()),
rsvspace,
miopen::deref(dropout_outputTensor.get()),
dropout_hid_state,
dropout_reservespace_host,
dropout_states_tmp,
prelayer_shift,
drop_out_offset,
drop_out_offset);
prelayer_shift = drop_out_offset;
}
gemm_cpu(use_dropout ? &dropout_hid_state[prelayer_shift] : &rsvspace[prelayer_shift],
hy_h * bi,
batch_n,
use_dropout ? hy_h * bi : hy_stride,
false,
&wei[wei_shift], //&wei_state[wei_shift],
hy_h * bi,
hy_h * bi * 3,
bi_stride,
true,
&rsvspace[hid_shift],
hy_h * bi * 3,
batch_n,
hy_stride,
1,
1);
// from bias
if(biased)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < wei_stride; h++)
{
rsvspace[hid_shift + bs * hy_stride + h] += wei[wei_shift_bias_temp + h];
}
}
}
}
// from hidden state
int bacc = 0;
int baccbi = batch_n;
for(int ti = 0; ti < seqLength; ti++)
{
baccbi -= in_n.at(seqLength - 1 - ti);
int wei_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
int pretime_shift;
if(ti == 0)
{
if(!hx_is_null)
{
gemm_cpu(&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift],
hy_h,
hy_h * 2,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride],
hy_h * 2,
in_n.at(ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 2; gi++)
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + gi * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + gi * hy_h + h];
}
}
}
}
gemm_cpu(&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift + 2 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride + bi * 3 * hy_h],
hy_h,
in_n.at(ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + 2 * hy_h + h];
}
}
}
if(bidirection)
{
gemm_cpu(&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
uni_stride,
false,
&wei[wei_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 2,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + 3 * hy_h],
hy_h * 2,
in_n.at(seqLength - 1 - ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 2; gi++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride +
(3 + gi) * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + (3 + gi) * hy_h +
h];
}
}
}
}
gemm_cpu(&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
uni_stride,
false,
&wei[wei_shift + 5 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + bi * 3 * hy_h + hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + 5 * hy_h + h];
}
}
}
}
}
}
else
{
gemm_cpu(&hy[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift],
hy_h,
hy_h * 2,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride],
hy_h * 2,
in_n.at(ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 2; gi++)
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + gi * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + gi * hy_h + h];
}
}
}
}
gemm_cpu(&hy[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&wei[wei_shift + 2 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + bacc * hy_stride + bi * 3 * hy_h],
hy_h,
in_n.at(ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + 2 * hy_h + h];
}
}
}
if(bidirection)
{
if(!hx_is_null && in_n.at(seqLength - 1 - ti) > in_n.at(seqLength - ti))
{
gemm_cpu(
&hx[hx_shift + hy_n * hy_h + in_n.at(seqLength - ti) * hy_h],
hy_h,
(in_n.at(seqLength - 1 - ti) - in_n.at(seqLength - ti)),
uni_stride,
false,
&wei[wei_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 2,
uni_stride,
true,
&rsvspace[hid_shift + (baccbi + in_n.at(seqLength - ti)) * hy_stride +
3 * hy_h],
hy_h * 2,
(in_n.at(seqLength - 1 - ti) - in_n.at(seqLength - ti)),
hy_stride,
1,
1);
if(biased)
{
for(int bs = in_n.at(seqLength - ti); bs < in_n.at(seqLength - 1 - ti);
bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 2; gi++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride +
(3 + gi) * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + (3 + gi) * hy_h +
h];
}
}
}
}
gemm_cpu(
&hx[hx_shift + hy_n * hy_h + in_n.at(seqLength - ti) * hy_h],
hy_h,
(in_n.at(seqLength - 1 - ti) - in_n.at(seqLength - ti)),
uni_stride,
false,
&wei[wei_shift + 5 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + (baccbi + in_n.at(seqLength - ti)) * hy_stride +
bi * 3 * hy_h + hy_h],
hy_h,
(in_n.at(seqLength - 1 - ti) - in_n.at(seqLength - ti)),
hy_stride,
1,
1);
if(biased)
{
for(int bs = in_n.at(seqLength - ti); bs < in_n.at(seqLength - 1 - ti);
bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + 5 * hy_h + h];
}
}
}
}
gemm_cpu(&hy[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - ti),
uni_stride,
false,
&wei[wei_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 2,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + 3 * hy_h],
hy_h * 2,
in_n.at(seqLength - ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(seqLength - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 2; gi++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride +
(3 + gi) * hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + (3 + gi) * hy_h + h];
}
}
}
}
gemm_cpu(&hy[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(seqLength - ti),
uni_stride,
false,
&wei[wei_shift + 5 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
true,
&rsvspace[hid_shift + baccbi * hy_stride + bi * 3 * hy_h + hy_h],
hy_h,
in_n.at(seqLength - ti),
hy_stride,
1,
1);
if(biased)
{
for(int bs = 0; bs < in_n.at(seqLength - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
wei[wei_shift_bias_temp + wei_stride + 5 * hy_h + h];
}
}
}
}
}
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h +
numlayer * batch_n * hy_stride] =
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h];
rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h] +=
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + hy_h + h], 2) *
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h];
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] = 0;
if(ti == 0)
{
if(!hx_is_null)
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
((1 -
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2)) *
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride +
2 * hy_h + h],
1) +
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2) *
hx[hx_shift + bs * uni_stride + h]);
}
else
{
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
((1 -
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2)) *
activfunc(
rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h],
1));
}
}
else
{
pretime_shift = li * batch_n * hy_stride +
(bacc - in_n.at(ti - 1)) * hy_stride + bi * 3 * hy_h;
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
((1 - activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2)) *
activfunc(
rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h],
1) +
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2) *
rsvspace[pretime_shift + bs * hy_stride + h]);
}
rsvspace[hid_shift + (bacc + bs) * hy_stride + h +
numlayer * batch_n * hy_stride] =
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2);
rsvspace[hid_shift + (bacc + bs) * hy_stride + hy_h + h +
numlayer * batch_n * hy_stride] =
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + hy_h + h], 2);
rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h +
numlayer * batch_n * hy_stride] =
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h], 1);
// Update final state
hy[hx_shift + bs * uni_stride + h] =
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h];
}
}
if(bidirection)
{
pretime_shift = li * batch_n * hy_stride +
(baccbi + in_n.at(seqLength - 1 - ti)) * hy_stride + bi * 3 * hy_h +
hy_h;
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h + h +
numlayer * batch_n * hy_stride] =
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h];
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h] +=
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h], 2) *
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h];
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h + h] =
0;
if(ti == 0)
{
if(!hx_is_null)
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
((1 - activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2)) *
activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
5 * hy_h + h],
1) +
activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2) *
hx[hx_shift + bs * uni_stride + hy_n * hy_h + h]);
}
else
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
((1 - activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2)) *
activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
5 * hy_h + h],
1));
}
}
else
{
if(!hx_is_null && in_n.at(seqLength - 1 - ti) > in_n.at(seqLength - ti))
{
if(bs >= in_n.at(seqLength - ti))
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
(activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2) *
hx[hx_shift + bs * uni_stride + hy_n * hy_h + h]);
}
}
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h] +=
((1 - activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2)) *
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h],
1));
if(bs < in_n.at(seqLength - ti))
{
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
(activfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2) *
rsvspace[pretime_shift + bs * hy_stride + h]);
}
}
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h +
numlayer * batch_n * hy_stride] =
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h], 2);
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h +
numlayer * batch_n * hy_stride] =
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h], 2);
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h +
numlayer * batch_n * hy_stride] =
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h], 1);
// Update final hidden state
hy[hx_shift + bs * uni_stride + hy_n * hy_h + h] =
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h];
}
}
}
bacc += in_n.at(ti);
}
}
// output
int prelayer_shift = (numlayer - 1) * batch_n * hy_stride + bi * 3 * hy_h;
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < out_h; h++)
{
out[bs * out_stride + h] = rsvspace[prelayer_shift + bs * hy_stride + h];
}
}
if(use_dropout)
{
const size_t dropout_size = static_cast<size_t>(numlayer - 1) * batch_n * hy_h * bi;
const size_t dropout_offset = static_cast<size_t>(numlayer) * batch_n * hy_stride * 2;
if(dropout_size > 0)
{
for(size_t i = 0; i < dropout_size; i++)
{
rsvspace.at(dropout_offset + i) = dropout_hid_state.at(i);
}
auto p_drop_rsv =
reinterpret_cast<unsigned char*>(&rsvspace.at(dropout_offset + dropout_size));
for(size_t i = 0; i < dropout_size; i++)
{
*(p_drop_rsv + i) = dropout_reservespace_host.at(i);
}
}
}
}
template <typename T>
void GRUBwdDataCPUVerify(bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
std::vector<T>& din,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
const std::vector<T>& dhy, // current/final hidden state
std::vector<T>& dhx,
const std::vector<T>& hx, // initial hidden state
const std::vector<T>&,
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
bool bidirection, // whether using bidirectional net
bool, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers)
// for unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by
// hy_h related function for bidirection
int inputMode,
std::vector<T>& rsvspace,
std::vector<T>& wkspace,
bool hx_is_null = false,
bool dhy_is_null = false)
{
int batch_n = sumvc(in_n);
int numlayer = bidirection ? hy_d / 2 : hy_d;
int bi = bidirection ? 2 : 1;
int in_stride = in_h;
int out_stride = out_h;
int wei_stride = bi * 3 * hy_h;
int hy_stride = bi * 4 * hy_h;
int h_stride = bi * hy_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
// initial hidden states
auto ihs = hy_d * hy_n * hy_h;
std::vector<T> dcx(ihs);
if(inputMode == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
// initial dropoput
TensorDescGuard dropout_inputTensor;
std::vector<unsigned char> dropout_reservespace_host;
if(use_dropout)
{
std::array<int, 2> drop_in_len = {{batch_n, hy_h * bi}};
std::array<int, 2> drop_in_str = {{hy_stride, 1}};
miopenSetTensorDescriptor(
dropout_inputTensor, miopenFloat, 2, drop_in_len.data(), drop_in_str.data());
size_t reserveSpaceSizeInBytes = 0;
miopenDropoutGetReserveSpaceSize(dropout_inputTensor, &reserveSpaceSizeInBytes);
size_t reserve_size = reserveSpaceSizeInBytes / sizeof(unsigned char);
dropout_reservespace_host = std::vector<unsigned char>(reserve_size * (numlayer - 1),
static_cast<unsigned char>(0));
const size_t dropout_size = static_cast<size_t>(numlayer - 1) * batch_n * hy_h * bi;
const size_t dropout_offset = static_cast<size_t>(numlayer) * batch_n * hy_stride * 2;
if(dropout_size > 0)
{
auto p_drop_rsv =
reinterpret_cast<unsigned char*>(&rsvspace.at(dropout_offset + dropout_size));
for(size_t i = 0; i < dropout_size; i++)
{
dropout_reservespace_host.at(i) = *(p_drop_rsv + i);
}
}
}
// bwd data emulator
for(int li = numlayer - 1; li >= 0; li--)
{
int wei_shift = (in_h + hy_h) * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
int hid_shift = li * batch_n * hy_stride;
int hx_shift = li * in_n.at(0) * h_stride;
int weitime_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
if(li == numlayer - 1)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < out_h; h++)
{
wkspace[hid_shift + bi * 3 * hy_h + bs * hy_stride + h] +=
dout[bs * out_stride + h];
}
}
}
else
{
int prelayer_shift = (li + 1) * batch_n * hy_stride;
gemm_cpu(&wkspace[prelayer_shift],
hy_h * bi * 3,
batch_n,
hy_stride,
false,
&wei[wei_shift],
hy_h * bi,
hy_h * bi * 3,
bi_stride,
false,
&wkspace[hid_shift + bi * 3 * hy_h],
hy_h * bi,
batch_n,
hy_stride,
1,
1);
if(use_dropout)
{
DropoutBackwardVerify<T>(dropoutDesc,
miopen::deref(dropout_inputTensor.get()),
wkspace,
miopen::deref(dropout_inputTensor.get()),
wkspace,
dropout_reservespace_host,
hid_shift + bi * 3 * hy_h,
hid_shift + bi * 3 * hy_h,
li * batch_n * hy_h * bi);
}
}
// from hidden state
int bacc = batch_n;
int baccbi = 0;
for(int ti = seqLength - 1; ti >= 0; ti--)
{
bacc -= in_n.at(ti);
if(ti == seqLength - 1)
{
if(!dhy_is_null)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
dhy[hx_shift + bs * uni_stride + h];
}
}
if(bidirection)
{
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] +=
dhy[hx_shift + bs * uni_stride + hy_n * hy_h + h];
}
}
}
}
}
else
{
if(!dhy_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
for(int bs = in_n.at(ti + 1); bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
dhy[hx_shift + bs * uni_stride + h];
}
}
}
int pretime_shift = li * batch_n * hy_stride + (bacc + in_n.at(ti)) * hy_stride;
gemm_cpu(&wkspace[pretime_shift],
hy_h * 2,
in_n.at(ti + 1),
hy_stride,
false,
&wei[weitime_shift],
hy_h,
hy_h * 2,
uni_stride,
false,
&wkspace[hid_shift + bacc * hy_stride + bi * 3 * hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
1,
1);
for(int bs = 0; bs < in_n.at(ti + 1); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] +=
wkspace[pretime_shift + bs * hy_stride + bi * 3 * hy_h + h] *
activfunc(rsvspace[pretime_shift + bs * hy_stride + h], 2);
wkspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h] =
wkspace[pretime_shift + bs * hy_stride + 2 * hy_h + h] *
activfunc(rsvspace[pretime_shift + bs * hy_stride + hy_h + h], 2);
}
}
gemm_cpu(&wkspace[hid_shift + bacc * hy_stride + 2 * hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
false,
&wei[weitime_shift + 2 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
false,
&wkspace[hid_shift + bacc * hy_stride + bi * 3 * hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
1,
1);
for(int bs = 0; bs < in_n.at(ti + 1); bs++)
{
auto subidx = hid_shift + (bacc + bs) * hy_stride + 2 * hy_h;
std::fill(wkspace.begin() + subidx, wkspace.begin() + subidx + hy_h, 0);
}
if(bidirection)
{
pretime_shift = li * batch_n * hy_stride +
(baccbi - in_n.at(seqLength - 2 - ti)) * hy_stride + hy_h * 3;
gemm_cpu(&wkspace[pretime_shift],
hy_h * 2,
in_n.at(seqLength - 1 - ti),
hy_stride,
false,
&wei[weitime_shift + hy_h * 3 * uni_stride],
hy_h,
hy_h * 2,
uni_stride,
false,
&wkspace[hid_shift + baccbi * hy_stride + bi * 3 * hy_h + hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
hy_stride,
1,
1);
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h] +=
wkspace[pretime_shift + bs * hy_stride + 3 * hy_h + hy_h + h] *
activfunc(rsvspace[pretime_shift + bs * hy_stride + h], 2);
wkspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h] =
wkspace[pretime_shift + bs * hy_stride + 2 * hy_h + h] *
activfunc(rsvspace[pretime_shift + bs * hy_stride + hy_h + h], 2);
}
}
gemm_cpu(&wkspace[hid_shift + baccbi * hy_stride + 5 * hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
hy_stride,
false,
&wei[weitime_shift + 5 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
false,
&wkspace[hid_shift + baccbi * hy_stride + bi * 3 * hy_h + hy_h],
hy_h,
in_n.at(seqLength - 1 - ti),
hy_stride,
1,
1);
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
auto subidx = hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h;
std::fill(wkspace.begin() + subidx, wkspace.begin() + (subidx + hy_h), 0);
}
}
}
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h] +=
wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] *
(1 - activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2)) *
dervactivfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h],
1);
wkspace[hid_shift + (bacc + bs) * hy_stride + hy_h + h] =
(rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h +
numlayer * batch_n * hy_stride] *
wkspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h] *
dervactivfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + hy_h + h],
2));
if(ti == 0)
{
if(!hx_is_null)
{
wkspace[hid_shift + (bacc + bs) * hy_stride + h] +=
(wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] *
hx[hx_shift + bs * uni_stride + h] *
dervactivfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h],
2));
}
wkspace[hid_shift + (bacc + bs) * hy_stride + h] -=
(wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] *
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h],
1) *
dervactivfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2));
}
else
{
wkspace[hid_shift + (bacc + bs) * hy_stride + h] +=
wkspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h] *
(rsvspace[hid_shift + (bacc - in_n.at(ti - 1) + bs) * hy_stride +
bi * 3 * hy_h + h] -
activfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h],
1)) *
dervactivfunc(rsvspace[hid_shift + (bacc + bs) * hy_stride + h], 2);
}
rsvspace[hid_shift + (bacc + bs) * hy_stride + bi * 3 * hy_h + h +
numlayer * batch_n * hy_stride] =
wkspace[hid_shift + (bacc + bs) * hy_stride + 2 * hy_h + h] *
rsvspace[hid_shift + (bacc + bs) * hy_stride + hy_h + h +
numlayer * batch_n * hy_stride];
}
}
if(bidirection)
{
for(int bs = 0; bs < in_n.at(seqLength - 1 - ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h] +=
wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h] *
(1 - activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h],
2)) *
dervactivfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h], 1);
wkspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h] =
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h +
h + numlayer * batch_n * hy_stride];
wkspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h] *=
(wkspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h] *
dervactivfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h],
2));
if(ti == 0)
{
if(!hx_is_null)
{
wkspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h] +=
(wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] *
hx[hx_shift + bs * uni_stride + hy_n * hy_h + h] *
dervactivfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2));
}
wkspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h] -=
(wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] *
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h],
1) *
dervactivfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h],
2));
}
else
{
if(!hx_is_null &&
in_n.at(seqLength - 1 - ti) > in_n.at(seqLength - ti) &&
bs >= in_n.at(seqLength - ti))
{
wkspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h] +=
(wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] *
hx[hx_shift + bs * uni_stride + hy_n * hy_h + h] *
dervactivfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2));
}
if(bs < in_n.at(seqLength - ti))
{
wkspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h] +=
(wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] *
rsvspace[hid_shift +
(baccbi + in_n.at(seqLength - 1 - ti) + bs) *
hy_stride +
bi * 3 * hy_h + hy_h + h] *
dervactivfunc(rsvspace[hid_shift + (baccbi + bs) * hy_stride +
3 * hy_h + h],
2));
}
wkspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h] -=
(wkspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h +
hy_h + h] *
activfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h],
1) *
dervactivfunc(
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 3 * hy_h + h],
2));
}
rsvspace[hid_shift + (baccbi + bs) * hy_stride + bi * 3 * hy_h + hy_h + h +
numlayer * batch_n * hy_stride] =
wkspace[hid_shift + (baccbi + bs) * hy_stride + 5 * hy_h + h] *
rsvspace[hid_shift + (baccbi + bs) * hy_stride + 4 * hy_h + h +
numlayer * batch_n * hy_stride];
}
}
}
baccbi += in_n.at(seqLength - 1 - ti);
}
// dhx
int pretime_shift = li * batch_n * hy_stride;
gemm_cpu(&wkspace[pretime_shift],
hy_h * 2,
in_n.at(0),
hy_stride,
false,
&wei[weitime_shift],
hy_h,
hy_h * 2,
uni_stride,
false,
&dhx[hx_shift],
hy_h,
in_n.at(0),
uni_stride,
1,
1);
for(int bs = 0; bs < in_n.at(0); bs++)
{
for(int h = 0; h < hy_h; h++)
{
dhx[hx_shift + bs * uni_stride + h] +=
wkspace[pretime_shift + bs * hy_stride + bi * 3 * hy_h + h] *
activfunc(rsvspace[pretime_shift + bs * hy_stride + h], 2);
dcx[hx_shift + bs * uni_stride + h] =
wkspace[pretime_shift + bs * hy_stride + 2 * hy_h + h] *
activfunc(rsvspace[pretime_shift + bs * hy_stride + hy_h + h], 2);
}
}
gemm_cpu(&dcx[hx_shift],
hy_h,
in_n.at(0),
uni_stride,
false,
&wei[weitime_shift + 2 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
false,
&dhx[hx_shift],
hy_h,
in_n.at(0),
uni_stride,
1,
1);
if(bidirection)
{
int ti = seqLength - 1, cur_bat = 0, pre_bat = batch_n;
while(ti >= 0)
{
pre_bat -= in_n.at(ti);
if(in_n.at(ti) > cur_bat)
{
pretime_shift = li * batch_n * hy_stride + (pre_bat + cur_bat) * hy_stride;
gemm_cpu(&wkspace[pretime_shift + 3 * hy_h],
hy_h * 2,
(in_n.at(ti) - cur_bat),
hy_stride,
false,
&wei[weitime_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 2,
uni_stride,
false,
&dhx[hx_shift + hy_n * hy_h + cur_bat * hy_h],
hy_h,
(in_n.at(ti) - cur_bat),
uni_stride,
1,
1);
for(int bs = cur_bat; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
dhx[hx_shift + bs * uni_stride + hy_n * hy_h + h] +=
wkspace[pretime_shift + (bs - cur_bat) * hy_stride + bi * 3 * hy_h +
hy_h + h] *
activfunc(rsvspace[pretime_shift + (bs - cur_bat) * hy_stride +
3 * hy_h + h],
2);
dcx[hx_shift + bs * uni_stride + hy_n * hy_h + h] =
wkspace[pretime_shift + (bs - cur_bat) * hy_stride + 5 * hy_h + h] *
activfunc(rsvspace[pretime_shift + (bs - cur_bat) * hy_stride +
4 * hy_h + h],
2);
}
}
gemm_cpu(&dcx[hx_shift + hy_n * hy_h + cur_bat * hy_h],
hy_h,
(in_n.at(ti) - cur_bat),
uni_stride,
false,
&wei[weitime_shift + 5 * hy_h * uni_stride],
hy_h,
hy_h,
uni_stride,
false,
&dhx[hx_shift + hy_n * hy_h + cur_bat * hy_h],
hy_h,
(in_n.at(ti) - cur_bat),
uni_stride,
1,
1);
}
cur_bat = in_n.at(ti--);
}
}
}
// dinput
if(inputMode == 1)
{
for(int bs = 0; bs < batch_n; bs++)
{
for(int h = 0; h < hy_h; h++)
{
for(int gi = 0; gi < 3; gi++)
{
din[bs * in_stride + h] += wkspace[bs * hy_stride + gi * hy_h + h];
if(bidirection)
{
din[bs * in_stride + h] += wkspace[bs * hy_stride + (gi + 3) * hy_h + h];
}
}
}
}
}
else
{
gemm_cpu(wkspace.data(),
hy_h * bi * 3,
batch_n,
hy_stride,
false,
wei.data(),
in_h,
hy_h * bi * 3,
in_stride,
false,
din.data(),
in_h,
batch_n,
in_stride,
1,
1);
}
}
template <typename T>
void GRUBwdWeightCPUVerify(bool use_dropout,
const std::vector<T>& in,
std::vector<T>& dwei, // [ input_state_weight_trans
// hidden_state_weight0_trans
// input1_trans hidden1_trans ...
// output_weight; bidirectional
// reversed weights ]
const std::vector<T>& hx, // initial hidden state
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
bool bidirection, // whether using bidirectional net
bool biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden
// layers) for unidirection, 2 by numlayer for
// bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
// by hy_h related function for bidirection
int inputMode,
const std::vector<T>& rsvspace,
std::vector<T>& wkspace,
bool hx_is_null = false)
{
int batch_n = sumvc(in_n);
int numlayer = bidirection ? hy_d / 2 : hy_d;
int bi = bidirection ? 2 : 1;
int in_stride = in_h;
int wei_stride = bi * 3 * hy_h;
int hy_stride = bi * 4 * hy_h;
int h_stride = bi * hy_h;
int uni_stride = hy_h;
int bi_stride = hy_h * bi;
if(inputMode == 1)
{
if(in_h != hy_h)
{
std::cout
<< "Verification cannot be completed: The input tensor size must equal to the "
<< "hidden state size of the network in SKIP_INPUT mode!" << std::endl;
return;
}
in_h = 0;
}
int wei_shift_bias = (in_h + hy_h + (bi * hy_h + hy_h) * (numlayer - 1)) * wei_stride;
// bwd weights emulator
for(int li = 0; li < numlayer; li++)
{
// between layers
if(li == 0)
{
if(inputMode == 0)
{
gemm_cpu(wkspace.data(),
hy_h * bi * 3,
batch_n,
hy_stride,
true,
in.data(),
in_h,
batch_n,
in_stride,
false,
dwei.data(),
in_h,
hy_h * bi * 3,
in_stride,
1,
1);
}
if(biased)
{
for(int h = 0; h < wei_stride; h++)
{
for(int w = 0; w < batch_n; w++)
{
dwei[wei_shift_bias + h] += wkspace[w * hy_stride + h];
}
}
}
}
else
{
int prelayer_shift =
use_dropout ? 2 * numlayer * batch_n * hy_stride + (li - 1) * batch_n * hy_h * bi
: (li - 1) * batch_n * hy_stride + bi * hy_h * 3;
int hid_shift = li * batch_n * hy_stride;
int wei_shift = (in_h + hy_h) * wei_stride + (li - 1) * (bi * hy_h + hy_h) * wei_stride;
gemm_cpu(&wkspace[hid_shift],
hy_h * bi * 3,
batch_n,
hy_stride,
true,
&rsvspace[prelayer_shift],
hy_h * bi,
batch_n,
use_dropout ? hy_h * bi : hy_stride,
false,
&dwei[wei_shift],
hy_h * bi,
hy_h * bi * 3,
bi_stride,
1,
1);
if(biased)
{
wei_shift = wei_shift_bias + li * 2 * wei_stride;
for(int h = 0; h < wei_stride; h++)
{
for(int w = 0; w < batch_n; w++)
{
dwei[wei_shift + h] += wkspace[hid_shift + w * hy_stride + h];
}
}
}
}
// between time
int bacc = 0;
for(int ti = 0; ti < seqLength; ti++)
{
int hid_shift = li * batch_n * hy_stride + bacc * hy_stride;
int hx_shift = li * in_n.at(0) * h_stride;
int wei_shift = in_h * wei_stride + li * (bi * hy_h + hy_h) * wei_stride;
int pretime_shift;
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + bs * hy_stride + 2 * hy_h + h] *=
activfunc(rsvspace[hid_shift + bs * hy_stride + hy_h + h], 2);
}
}
// between time
if(ti == 0)
{
if(!hx_is_null)
{
gemm_cpu(&wkspace[hid_shift],
hy_h * 3,
in_n.at(ti),
hy_stride,
true,
&hx[hx_shift],
hy_h,
in_n.at(ti),
uni_stride,
false,
&dwei[wei_shift],
hy_h,
hy_h * 3,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 3; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei[bias_shift + h] += wkspace[hid_shift + w * hy_stride + h];
}
}
}
}
}
else
{
pretime_shift =
li * batch_n * hy_stride + (bacc - in_n.at(ti - 1)) * hy_stride + bi * 3 * hy_h;
gemm_cpu(&wkspace[hid_shift],
hy_h * 3,
in_n.at(ti),
hy_stride,
true,
&rsvspace[pretime_shift],
hy_h,
in_n.at(ti),
hy_stride,
false,
&dwei[wei_shift],
hy_h,
hy_h * 3,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 3; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei[bias_shift + h] += wkspace[hid_shift + w * hy_stride + h];
}
}
}
}
if(bidirection)
{
for(int bs = 0; bs < in_n.at(ti); bs++)
{
for(int h = 0; h < hy_h; h++)
{
wkspace[hid_shift + bs * hy_stride + 5 * hy_h + h] *=
activfunc(rsvspace[hid_shift + bs * hy_stride + 4 * hy_h + h], 2);
}
}
if(ti == seqLength - 1)
{
if(!hx_is_null)
{
gemm_cpu(&wkspace[hid_shift + 3 * hy_h],
hy_h * 3,
in_n.at(ti),
hy_stride,
true,
&hx[hx_shift + hy_n * hy_h],
hy_h,
in_n.at(ti),
uni_stride,
false,
&dwei[wei_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 3,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 3; h++)
{
for(int w = 0; w < in_n.at(ti); w++)
{
dwei[bias_shift + 3 * hy_h + h] +=
wkspace[hid_shift + 3 * hy_h + w * hy_stride + h];
}
}
}
}
}
else
{
if(!hx_is_null && in_n.at(ti) > in_n.at(ti + 1))
{
gemm_cpu(&wkspace[hid_shift + 3 * hy_h + in_n.at(ti + 1) * hy_stride],
hy_h * 3,
(in_n.at(ti) - in_n.at(ti + 1)),
hy_stride,
true,
&hx[hx_shift + hy_n * hy_h + in_n.at(ti + 1) * hy_h],
hy_h,
(in_n.at(ti) - in_n.at(ti + 1)),
uni_stride,
false,
&dwei[wei_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 3,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 3; h++)
{
for(int w = in_n.at(ti + 1); w < in_n.at(ti); w++)
{
dwei[bias_shift + 3 * hy_h + h] +=
wkspace[hid_shift + 3 * hy_h + w * hy_stride + h];
}
}
}
}
pretime_shift =
li * batch_n * hy_stride + (bacc + in_n.at(ti)) * hy_stride + bi * 3 * hy_h;
gemm_cpu(&wkspace[hid_shift + 3 * hy_h],
hy_h * 3,
in_n.at(ti + 1),
hy_stride,
true,
&rsvspace[pretime_shift + hy_h],
hy_h,
in_n.at(ti + 1),
hy_stride,
false,
&dwei[wei_shift + 3 * hy_h * uni_stride],
hy_h,
hy_h * 3,
uni_stride,
1,
1);
if(biased)
{
int bias_shift = wei_shift_bias + li * 2 * wei_stride + wei_stride;
for(int h = 0; h < hy_h * 3; h++)
{
for(int w = 0; w < in_n.at(ti + 1); w++)
{
dwei[bias_shift + 3 * hy_h + h] +=
wkspace[hid_shift + 3 * hy_h + w * hy_stride + h];
}
}
}
}
}
bacc += in_n.at(ti);
}
}
}
//////=========END GRU CPU VERIFICATION FUNCTIONS=============
/**********************************************
* Uniform RNN callers for verification on CPU
**********************************************/
template <class T>
void UniformRNNFwdTrainCPUVerify(
const miopen::Handle& handle,
bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
const std::vector<T>& in,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
std::vector<T>& hy_host, // current/final hidden state
const std::vector<T>& hx, // initial hidden state
std::vector<T>& cy_host, // current/final cell state
const std::vector<T>& cx, // initial cell state
std::vector<T>& out_host,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength_cpu, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers) for
// unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by hy_h
// related function for bidirection
miopenRNNMode_t rnn_mode,
int inputMode_cpu,
std::vector<T>& rsvspace,
bool hx_is_null,
bool cx_is_null)
{
switch(rnn_mode)
{
case miopenRNNRELU:
case miopenRNNTANH:
RNNFwdTrainCPUVerify(handle,
use_dropout,
dropoutDesc,
in,
wei,
hy_host,
hx,
out_host,
in_n,
in_h,
seqLength_cpu,
bidirection,
biased,
hy_d,
hy_n,
hy_h,
out_h,
rnn_mode,
inputMode_cpu,
rsvspace,
hx_is_null);
break;
case miopenLSTM:
LSTMFwdCPUVerify(handle,
use_dropout,
dropoutDesc,
in,
wei,
hy_host,
hx,
cy_host,
cx,
out_host,
in_n,
in_h,
seqLength_cpu,
bidirection,
biased,
hy_d,
hy_n,
hy_h,
out_h,
inputMode_cpu,
rsvspace,
hx_is_null,
cx_is_null);
break;
case miopenGRU:
GRUFwdCPUVerify(handle,
use_dropout,
dropoutDesc,
in,
wei,
hy_host,
hx,
out_host,
in_n,
in_h,
seqLength_cpu,
bidirection,
biased,
hy_d,
hy_n,
hy_h,
out_h,
inputMode_cpu,
rsvspace,
hx_is_null);
break;
};
}
template <class T>
void UniformRNNBwdTrainCPUVerify(
bool use_dropout,
const miopen::DropoutDescriptor& dropoutDesc,
std::vector<T>& din_host,
const std::vector<T>& wei, // [ input_state_weight_trans
// hidden_state_weight0_trans input1_trans
// hidden1_trans ... output_weight;
// bidirectional reversed weights ]
const std::vector<T>& dhy, // current/final hidden state
std::vector<T>& dhx_host,
const std::vector<T>& hx, // initial hidden state
const std::vector<T>& dcy, // current/final cell state
std::vector<T>& dcx_host,
const std::vector<T>& cx,
const std::vector<T>& out,
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden layers)
// for unidirection, 2 by numlayer for bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2 by
// hy_h related function for bidirection
miopenRNNMode_t rnn_mode,
int inputMode,
std::vector<T>& rsvspace,
std::vector<T>& wkspace,
bool hx_is_null,
bool cx_is_null,
bool dhy_is_null,
bool dcy_is_null)
{
switch(rnn_mode)
{
case miopenRNNRELU:
case miopenRNNTANH:
RNNBwdDataCPUVerify(use_dropout,
dropoutDesc,
din_host,
wei,
dhy,
dhx_host,
hx,
out,
dout,
in_n,
in_h,
seqLength,
bidirection,
0,
hy_d,
hy_n,
hy_h,
out_h,
rnn_mode,
inputMode,
rsvspace,
wkspace,
dhy_is_null);
break;
case miopenLSTM:
LSTMBwdDataCPUVerify(use_dropout,
dropoutDesc,
din_host,
wei,
dhy,
dhx_host,
hx,
dcy,
dcx_host,
cx,
out,
dout,
in_n,
in_h,
seqLength,
bidirection,
0,
hy_d,
hy_n,
hy_h,
out_h,
inputMode,
rsvspace,
wkspace,
cx_is_null,
dhy_is_null,
dcy_is_null);
break;
case miopenGRU:
GRUBwdDataCPUVerify(use_dropout,
dropoutDesc,
din_host,
wei,
dhy,
dhx_host,
hx,
out,
dout,
in_n,
in_h,
seqLength,
bidirection,
0,
hy_d,
hy_n,
hy_h,
out_h,
inputMode,
rsvspace,
wkspace,
hx_is_null,
dhy_is_null);
break;
};
}
template <class T>
void UniformRNNBwdWeightCPUVerify(bool use_dropout,
const std::vector<T>& in,
std::vector<T>& dwei_host, // [ input_state_weight_trans
// hidden_state_weight0_trans
// input1_trans hidden1_trans ...
// output_weight; bidirectional
// reversed weights ]
const std::vector<T>& hx, // initial hidden state
const std::vector<T>& dout,
const std::vector<int>& in_n, // input batch size
int in_h, // input data length
int seqLength, // Number of iterations to unroll over
int bidirection, // whether using bidirectional net
int biased, // whether using bias
int hy_d, // 1 by numlayer (number of stacks of hidden
// layers) for unidirection, 2 by numlayer for
// bidirection
int hy_n, // equal to input batch size in_n[0]
int hy_h, // hidden state number
int out_h, // 1 by hy_h related function for unidirection, 2
// by hy_h related function for bidirection
miopenRNNMode_t rnn_mode,
int inputMode,
const std::vector<T>& rsvspace,
std::vector<T>& wkspace,
bool hx_is_null)
{
switch(rnn_mode)
{
case miopenRNNRELU:
case miopenRNNTANH:
RNNBwdWeightCPUVerify(use_dropout,
in,
dwei_host,
hx,
dout,
in_n,
in_h,
seqLength,
bidirection,
biased,
hy_d,
hy_n,
hy_h,
out_h,
rnn_mode,
inputMode,
rsvspace,
wkspace,
hx_is_null);
break;
case miopenLSTM:
LSTMBwdWeightCPUVerify(use_dropout,
in,
dwei_host,
hx,
dout,
in_n,
in_h,
seqLength,
bidirection,
biased,
hy_d,
hy_n,
hy_h,
out_h,
inputMode,
rsvspace,
wkspace,
hx_is_null);
break;
case miopenGRU:
GRUBwdWeightCPUVerify(use_dropout,
in,
dwei_host,
hx,
in_n,
in_h,
seqLength,
bidirection,
biased,
hy_d,
hy_n,
hy_h,
inputMode,
rsvspace,
wkspace,
hx_is_null);
break;
};
}
inline size_t GetUniRNNCPUWorkspaceScaleSize(int rnn_mode)
{
switch(rnn_mode)
{
case miopenRNNTANH:
case miopenRNNRELU: return 1;
case miopenLSTM: return 6;
case miopenGRU: return 4;
default: MIOPEN_THROW("ERROR : rnn_mode unknown"); break;
}
}
inline size_t GetUniRNNCPUHiddenTensors(int rnn_mode)
{
switch(rnn_mode)
{
case miopenRNNTANH:
case miopenRNNRELU: return 1;
case miopenLSTM: return 4;
case miopenGRU: return 3;
default: MIOPEN_THROW("ERROR : rnn_mode unknown"); break;
}
}
inline size_t UniRNNCPUReserveSpaceSize(miopenRNNMode_t rnn_mode,
size_t nLayers,
size_t inputTotalBatch,
size_t outH,
size_t sizeOfT,
bool use_dropout)
{
int workspace_scale = GetUniRNNCPUWorkspaceScaleSize(rnn_mode);
size_t reserveSpaceSize = 2ULL * workspace_scale * nLayers * inputTotalBatch * outH;
size_t dropout_reserveSpaceSize = 0;
if(use_dropout)
{
dropout_reserveSpaceSize = (nLayers - 1) * inputTotalBatch * outH;
dropout_reserveSpaceSize += (dropout_reserveSpaceSize + sizeOfT - 1) / sizeOfT;
}
return reserveSpaceSize + dropout_reserveSpaceSize;
}
inline size_t UniRNNCPUWorkSpaceByteSize(miopenRNNMode_t rnn_mode,
size_t nLayers,
size_t inputTotalBatch,
size_t hidVec,
size_t sizeOfT,
bool isBidirect)
{
int workspace_scale = GetUniRNNCPUWorkspaceScaleSize(rnn_mode);
return (workspace_scale * nLayers * inputTotalBatch * hidVec * sizeOfT) * (isBidirect ? 2 : 1);
}
inline size_t UniRNNCPUHiddenStateSize(size_t hiddenLayers, size_t hiddenBatchSize, size_t hidVec)
{
return hiddenLayers * hiddenBatchSize * hidVec;
}
inline size_t UniRNNCPUCellStateSize(miopenRNNMode_t rnn_mode,
size_t hiddenLayers,
size_t hiddenBatchSize,
size_t hidVec)
{
return rnn_mode == miopenLSTM ? UniRNNCPUHiddenStateSize(hiddenLayers, hiddenBatchSize, hidVec)
: 0;
}
inline size_t UniRNNCPUIOSize(size_t TotalBatchsPerSeqLen, size_t ioVecLen)
{
return TotalBatchsPerSeqLen * ioVecLen;
}
inline size_t UniRNNCPUWeightSize(miopenRNNMode_t rnn_mode,
size_t nLayers,
size_t hidVec,
size_t inVec,
bool biasMode,
bool inputMode,
bool dirMode)
{
const size_t hidden_tensors_per_layer = GetUniRNNCPUHiddenTensors(rnn_mode);
if(inputMode)
{
inVec = 0;
}
int bi = dirMode ? 2 : 1;
auto sz = hidden_tensors_per_layer * hidVec * bi *
(inVec + hidVec + (nLayers - 1) * (bi + 1) * hidVec);
if(biasMode)
{
sz += nLayers * 2 * hidden_tensors_per_layer * hidVec * bi;
}
return sz;
}