derek.holloway
7502bf64a4
CodeQL / Analyze (actions) (push) Canceled after 0s
CodeQL / Analyze (python) (push) Canceled after 0s
pre-commit / pre-commit (push) Canceled after 0s
Multi-Arch CI / setup (push) Canceled after 0s
Publish build_manylinux_x86_64 images / publish_build_manylinux_x86_64 (push) Canceled after 0s
Setup (Multi-Arch) / setup (push) Canceled after 0s
Multi-Arch CI / Linux::${{ fromJSON(needs.setup.outputs.linux_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubi10 image / publish_no_rocm_image_ubi10 (push) Canceled after 0s
Multi-Arch CI / Windows::${{ fromJSON(needs.setup.outputs.windows_build_config || '{}').build_variant_label || 'skip' }} (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Multi-Arch CI / Manifest Diff (push) Canceled after 0s
TheRock Manifest Diff Report / Generate Manifest Diff Report (push) Canceled after 0s
Multi-Arch CI / CI Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_ocl_rt images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04_rocgdb images / publish_no_rocm_image_ubuntu24_04_rocgdb (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_ocl_rt (push) Canceled after 0s
Publish TheRock Docker image / build-and-push-image (push) Canceled after 0s
Unit Tests / Unit Tests :: ubuntu-24.04 (push) Canceled after 0s
Unit Tests / Unit Tests :: windows-2022 (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_media (push) Canceled after 0s
Unit Tests / Unit Tests Summary (push) Canceled after 0s
Publish no_rocm_image_ubuntu24_04 images / publish_no_rocm_image_ubuntu24_04_openmpi (push) Canceled after 0s
560 lines
29 KiB
C++
560 lines
29 KiB
C++
/* ************************************************************************
|
|
* Copyright (C) 2018-2019 Advanced Micro Devices, Inc. All rights Reserved.
|
|
*
|
|
* 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
|
|
#ifndef TESTING_CSRMM_HPP
|
|
#define TESTING_CSRMM_HPP
|
|
|
|
#include "display.hpp"
|
|
#include "flops.hpp"
|
|
#include "gbyte.hpp"
|
|
#include "hipsparse.hpp"
|
|
#include "hipsparse_arguments.hpp"
|
|
#include "hipsparse_graph.hpp"
|
|
#include "hipsparse_test_unique_ptr.hpp"
|
|
#include "unit.hpp"
|
|
#include "utility.hpp"
|
|
|
|
#include <hipsparse.h>
|
|
#include <string>
|
|
|
|
using namespace hipsparse;
|
|
using namespace hipsparse_test;
|
|
|
|
template <typename T>
|
|
void testing_csrmm_bad_arg(const Arguments& argus)
|
|
{
|
|
#if(!defined(CUDART_VERSION))
|
|
int N = 100;
|
|
int M = 100;
|
|
int K = 100;
|
|
int ldb = 100;
|
|
int ldc = 100;
|
|
int nnz = 100;
|
|
int safe_size = 100;
|
|
T alpha = make_DataType<T>(0.6);
|
|
T beta = make_DataType<T>(0.2);
|
|
hipsparseOperation_t transA = HIPSPARSE_OPERATION_NON_TRANSPOSE;
|
|
hipsparseOperation_t transB = HIPSPARSE_OPERATION_NON_TRANSPOSE;
|
|
|
|
hipsparseLocalHandle_t handle;
|
|
|
|
std::unique_ptr<descr_struct> unique_ptr_descr(new descr_struct);
|
|
hipsparseMatDescr_t descr = unique_ptr_descr->descr;
|
|
|
|
auto dptr_managed = hipsparse_unique_ptr{device_malloc(sizeof(int) * safe_size), device_free};
|
|
auto dcol_managed = hipsparse_unique_ptr{device_malloc(sizeof(int) * safe_size), device_free};
|
|
auto dval_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * safe_size), device_free};
|
|
auto dB_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * safe_size), device_free};
|
|
auto dC_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * safe_size), device_free};
|
|
int* dptr = (int*)dptr_managed.get();
|
|
int* dcol = (int*)dcol_managed.get();
|
|
T* dval = (T*)dval_managed.get();
|
|
T* dB = (T*)dB_managed.get();
|
|
T* dC = (T*)dC_managed.get();
|
|
|
|
verify_hipsparse_status_invalid_size(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
-1,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: M < 0");
|
|
verify_hipsparse_status_invalid_size(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
-1,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: N < 0");
|
|
verify_hipsparse_status_invalid_size(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
-1,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: K < 0");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
(int*)nullptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: dptr is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
(int*)nullptr,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: dcol is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
(T*)nullptr,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: dval is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
(T*)nullptr,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: dB is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
(T*)nullptr,
|
|
ldc),
|
|
"Error: dC is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
(T*)nullptr,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: alpha is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
(T*)nullptr,
|
|
dC,
|
|
ldc),
|
|
"Error: beta is nullptr");
|
|
verify_hipsparse_status_invalid_pointer(hipsparseXcsrmm2(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
(hipsparseMatDescr_t) nullptr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc),
|
|
"Error: descr is nullptr");
|
|
verify_hipsparse_status_invalid_handle(hipsparseXcsrmm2((hipsparseHandle_t) nullptr,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&alpha,
|
|
descr,
|
|
dval,
|
|
dptr,
|
|
dcol,
|
|
dB,
|
|
ldb,
|
|
&beta,
|
|
dC,
|
|
ldc));
|
|
#endif
|
|
}
|
|
|
|
template <typename T>
|
|
void testing_csrmm(Arguments argus)
|
|
{
|
|
#if(!defined(CUDART_VERSION) || CUDART_VERSION < 11000)
|
|
int M = argus.M;
|
|
int N = argus.N;
|
|
int K = argus.K;
|
|
T h_alpha = make_DataType<T>(argus.alpha);
|
|
T h_beta = make_DataType<T>(argus.beta);
|
|
hipsparseOperation_t transA = argus.transA;
|
|
hipsparseOperation_t transB = argus.transB;
|
|
hipsparseIndexBase_t idx_base = argus.baseA;
|
|
std::string filename = argus.filename;
|
|
|
|
hipsparseLocalHandle_t handle(argus);
|
|
|
|
std::unique_ptr<descr_struct> unique_ptr_descr(new descr_struct);
|
|
hipsparseMatDescr_t descr = unique_ptr_descr->descr;
|
|
|
|
// Set matrix index base
|
|
CHECK_HIPSPARSE_ERROR(hipsparseSetMatIndexBase(descr, idx_base));
|
|
|
|
srand(12345ULL);
|
|
|
|
// Host structures
|
|
std::vector<int> hcsr_row_ptrA;
|
|
std::vector<int> hcsr_col_indA;
|
|
std::vector<T> hcsr_valA;
|
|
|
|
// Read or construct CSR matrix
|
|
int nnz = 0;
|
|
CHECK_GENERATE_MATRIX_ERROR(generate_csr_matrix(
|
|
filename, M, K, nnz, hcsr_row_ptrA, hcsr_col_indA, hcsr_valA, idx_base));
|
|
|
|
// Some matrix properties
|
|
int A_m = M;
|
|
int B_m = (transB == HIPSPARSE_OPERATION_NON_TRANSPOSE)
|
|
? (transA == HIPSPARSE_OPERATION_NON_TRANSPOSE ? K : M)
|
|
: N;
|
|
int B_n = (transB == HIPSPARSE_OPERATION_NON_TRANSPOSE)
|
|
? N
|
|
: (transA == HIPSPARSE_OPERATION_NON_TRANSPOSE ? K : M);
|
|
|
|
int C_m = (transA == HIPSPARSE_OPERATION_NON_TRANSPOSE ? M : K);
|
|
int C_n = N;
|
|
int ldb = B_m;
|
|
int ldc = C_m;
|
|
int nrowB = ldb;
|
|
int ncolB = B_n;
|
|
int nrowC = ldc;
|
|
int ncolC = C_n;
|
|
int Bnnz = nrowB * ncolB;
|
|
int Cnnz = nrowC * ncolC;
|
|
|
|
// Host structures - Dense matrix B and C
|
|
std::vector<T> hB(Bnnz);
|
|
std::vector<T> hC_1(Cnnz);
|
|
std::vector<T> hC_2(Cnnz);
|
|
std::vector<T> hC_gold(Cnnz);
|
|
|
|
hipsparseInit<T>(hB, nrowB, ncolB);
|
|
hipsparseInit<T>(hC_1, nrowC, ncolC);
|
|
|
|
// copy vector is easy in STL; hC_gold = hC_1: save a copy in hy_gold which will be output of
|
|
// CPU
|
|
hC_gold = hC_1;
|
|
hC_2 = hC_1;
|
|
|
|
// allocate memory on device
|
|
auto dcsr_row_ptrA_managed
|
|
= hipsparse_unique_ptr{device_malloc(sizeof(int) * (A_m + 1)), device_free};
|
|
auto dcsr_col_indA_managed
|
|
= hipsparse_unique_ptr{device_malloc(sizeof(int) * nnz), device_free};
|
|
auto dcsr_valA_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * nnz), device_free};
|
|
auto dB_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * Bnnz), device_free};
|
|
auto dC_1_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * Cnnz), device_free};
|
|
auto dC_2_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * Cnnz), device_free};
|
|
auto d_alpha_managed = hipsparse_unique_ptr{device_malloc(sizeof(T)), device_free};
|
|
auto d_beta_managed = hipsparse_unique_ptr{device_malloc(sizeof(T)), device_free};
|
|
|
|
int* dcsr_row_ptrA = (int*)dcsr_row_ptrA_managed.get();
|
|
int* dcsr_col_indA = (int*)dcsr_col_indA_managed.get();
|
|
T* dcsr_valA = (T*)dcsr_valA_managed.get();
|
|
T* dB = (T*)dB_managed.get();
|
|
T* dC_1 = (T*)dC_1_managed.get();
|
|
T* dC_2 = (T*)dC_2_managed.get();
|
|
T* d_alpha = (T*)d_alpha_managed.get();
|
|
T* d_beta = (T*)d_beta_managed.get();
|
|
|
|
// copy data from CPU to device
|
|
CHECK_HIP_ERROR(hipMemcpy(
|
|
dcsr_row_ptrA, hcsr_row_ptrA.data(), sizeof(int) * (A_m + 1), hipMemcpyHostToDevice));
|
|
CHECK_HIP_ERROR(
|
|
hipMemcpy(dcsr_col_indA, hcsr_col_indA.data(), sizeof(int) * nnz, hipMemcpyHostToDevice));
|
|
CHECK_HIP_ERROR(hipMemcpy(dcsr_valA, hcsr_valA.data(), sizeof(T) * nnz, hipMemcpyHostToDevice));
|
|
CHECK_HIP_ERROR(hipMemcpy(dB, hB.data(), sizeof(T) * Bnnz, hipMemcpyHostToDevice));
|
|
CHECK_HIP_ERROR(hipMemcpy(dC_1, hC_1.data(), sizeof(T) * Cnnz, hipMemcpyHostToDevice));
|
|
|
|
if(argus.unit_check)
|
|
{
|
|
CHECK_HIP_ERROR(hipMemcpy(dC_2, hC_2.data(), sizeof(T) * Cnnz, hipMemcpyHostToDevice));
|
|
CHECK_HIP_ERROR(hipMemcpy(d_alpha, &h_alpha, sizeof(T), hipMemcpyHostToDevice));
|
|
CHECK_HIP_ERROR(hipMemcpy(d_beta, &h_beta, sizeof(T), hipMemcpyHostToDevice));
|
|
|
|
// HIPSPARSE pointer mode host
|
|
CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_HOST));
|
|
CHECK_HIPSPARSE_ERROR(testing::hipsparseXcsrmm2<T>(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&h_alpha,
|
|
descr,
|
|
dcsr_valA,
|
|
dcsr_row_ptrA,
|
|
dcsr_col_indA,
|
|
dB,
|
|
ldb,
|
|
&h_beta,
|
|
dC_1,
|
|
ldc));
|
|
|
|
// HIPSPARSE pointer mode device
|
|
CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_DEVICE));
|
|
CHECK_HIPSPARSE_ERROR(testing::hipsparseXcsrmm2<T>(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
d_alpha,
|
|
descr,
|
|
dcsr_valA,
|
|
dcsr_row_ptrA,
|
|
dcsr_col_indA,
|
|
dB,
|
|
ldb,
|
|
d_beta,
|
|
dC_2,
|
|
ldc));
|
|
|
|
// copy output from device to CPU
|
|
CHECK_HIP_ERROR(hipMemcpy(hC_1.data(), dC_1, sizeof(T) * Cnnz, hipMemcpyDeviceToHost));
|
|
CHECK_HIP_ERROR(hipMemcpy(hC_2.data(), dC_2, sizeof(T) * Cnnz, hipMemcpyDeviceToHost));
|
|
|
|
// CPU
|
|
host_csrmm(M,
|
|
N,
|
|
K,
|
|
transA,
|
|
transB,
|
|
h_alpha,
|
|
hcsr_row_ptrA.data(),
|
|
hcsr_col_indA.data(),
|
|
hcsr_valA.data(),
|
|
hB.data(),
|
|
ldb,
|
|
HIPSPARSE_ORDER_COL,
|
|
h_beta,
|
|
hC_gold.data(),
|
|
ldc,
|
|
HIPSPARSE_ORDER_COL,
|
|
idx_base,
|
|
false);
|
|
|
|
unit_check_near(nrowC, ncolC, ldc, hC_gold.data(), hC_1.data());
|
|
unit_check_near(nrowC, ncolC, ldc, hC_gold.data(), hC_2.data());
|
|
}
|
|
|
|
if(argus.timing)
|
|
{
|
|
int number_cold_calls = 2;
|
|
int number_hot_calls = argus.iters;
|
|
|
|
CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_HOST));
|
|
|
|
// Warm up
|
|
for(int iter = 0; iter < number_cold_calls; ++iter)
|
|
{
|
|
CHECK_HIPSPARSE_ERROR(testing::hipsparseXcsrmm2<T>(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&h_alpha,
|
|
descr,
|
|
dcsr_valA,
|
|
dcsr_row_ptrA,
|
|
dcsr_col_indA,
|
|
dB,
|
|
ldb,
|
|
&h_beta,
|
|
dC_1,
|
|
ldc));
|
|
}
|
|
|
|
double gpu_time_used = get_time_us();
|
|
|
|
// Performance run
|
|
for(int iter = 0; iter < number_hot_calls; ++iter)
|
|
{
|
|
CHECK_HIPSPARSE_ERROR(testing::hipsparseXcsrmm2<T>(handle,
|
|
transA,
|
|
transB,
|
|
M,
|
|
N,
|
|
K,
|
|
nnz,
|
|
&h_alpha,
|
|
descr,
|
|
dcsr_valA,
|
|
dcsr_row_ptrA,
|
|
dcsr_col_indA,
|
|
dB,
|
|
ldb,
|
|
&h_beta,
|
|
dC_1,
|
|
ldc));
|
|
}
|
|
|
|
gpu_time_used = (get_time_us() - gpu_time_used) / number_hot_calls;
|
|
|
|
double gflop_count
|
|
= csrmm_gflop_count<int, int>(B_m, nnz, C_m * C_n, h_beta != make_DataType<T>(0.0));
|
|
double gbyte_count = csrmm_gbyte_count<T, int, int>(
|
|
A_m, nnz, B_m * B_n, C_m * C_n, h_beta != make_DataType<T>(0.0));
|
|
|
|
double gpu_gflops = get_gpu_gflops(gpu_time_used, gflop_count);
|
|
double gpu_gbyte = get_gpu_gbyte(gpu_time_used, gbyte_count);
|
|
|
|
display_timing_info(display_key_t::M,
|
|
M,
|
|
display_key_t::N,
|
|
N,
|
|
display_key_t::K,
|
|
K,
|
|
display_key_t::transA,
|
|
hipsparse_operation2string(transA),
|
|
display_key_t::transB,
|
|
hipsparse_operation2string(transB),
|
|
display_key_t::nnzA,
|
|
nnz,
|
|
display_key_t::nnzB,
|
|
B_m * B_n,
|
|
display_key_t::nnzC,
|
|
C_m * C_n,
|
|
display_key_t::alpha,
|
|
h_alpha,
|
|
display_key_t::beta,
|
|
h_beta,
|
|
display_key_t::gflops,
|
|
gpu_gflops,
|
|
display_key_t::bandwidth,
|
|
gpu_gbyte,
|
|
display_key_t::time_ms,
|
|
get_gpu_time_msec(gpu_time_used));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#endif // TESTING_CSRMM_HPP
|