derek.holloway
7502bf64a4
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460 lines
19 KiB
C++
460 lines
19 KiB
C++
/*! \file */
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/* ************************************************************************
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* Copyright (C) 2024-2025 Advanced Micro Devices, Inc. All rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* ************************************************************************ */
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#include "rocsparse/rocsparse.h"
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#include <hip/hip_runtime_api.h>
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#include <iostream>
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#include <vector>
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#define HIP_CHECK(stat) \
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{ \
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if(stat != hipSuccess) \
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{ \
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std::cerr << "Error: hip error in line " << __LINE__ << std::endl; \
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return -1; \
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} \
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}
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#define ROCSPARSE_CHECK(stat) \
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{ \
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if(stat != rocsparse_status_success) \
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{ \
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std::cerr << "Error: rocsparse error " << stat << " in line " << __LINE__ \
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<< std::endl; \
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return -1; \
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} \
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}
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int main(int argc, char* argv[])
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{
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// Query device
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int ndev;
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HIP_CHECK(hipGetDeviceCount(&ndev));
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if(ndev < 1)
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{
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std::cerr << "No HIP device found" << std::endl;
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return -1;
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}
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// Query device properties
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hipDeviceProp_t prop;
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HIP_CHECK(hipGetDeviceProperties(&prop, 0));
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std::cout << "Device: " << prop.name << std::endl;
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// rocSPARSE handle
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rocsparse_handle handle;
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ROCSPARSE_CHECK(rocsparse_create_handle(&handle));
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hipStream_t stream;
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ROCSPARSE_CHECK(rocsparse_get_stream(handle, &stream));
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// Print rocSPARSE version and revision
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int ver;
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char rev[64];
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ROCSPARSE_CHECK(rocsparse_get_version(handle, &ver));
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ROCSPARSE_CHECK(rocsparse_get_git_rev(handle, rev));
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std::cout << "rocSPARSE version: " << ver / 100000 << "." << ver / 100 % 1000 << "."
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<< ver % 100 << "-" << rev << std::endl;
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// Input data
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// Matrix A (m x n)
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// ( 1.0 2.0 0.0 3.0 0.0 )
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// ( 0.0 4.0 5.0 0.0 0.0 )
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// ( 6.0 0.0 0.0 7.0 8.0 )
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// Number of rows and columns
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int64_t m = 3;
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int64_t n = 5;
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// Number of non-zero entries
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int64_t nnz_A = 8;
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// CSR row pointers
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int64_t hcsr_row_ptr_A[4] = {0, 3, 5, 8};
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// CSR column indices
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int32_t hcsr_col_ind_A[8] = {0, 1, 3, 1, 2, 0, 3, 4};
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// CSR values
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double hcsr_val_A[8] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0};
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// Transposition of the matrix
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rocsparse_operation trans_A = rocsparse_operation_none;
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rocsparse_operation trans_B = rocsparse_operation_none;
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// Matrix B (m x n)
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// ( 9.0 10.0 0.0 0.0 0.0)
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// ( 11.0 0.0 5.0 0.0 0.0)
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// ( 0.0 0.0 0.0 7.0 0.0)
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// Number of non-zero entries
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int64_t nnz_B = 5;
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// CSR row pointers
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int64_t hcsr_row_ptr_B[4] = {0, 2, 4, 5};
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// CSR column indices
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int32_t hcsr_col_ind_B[5] = {0, 1, 0, 2, 3};
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// CSR values
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double hcsr_val_B[5] = {9.0, 10.0, 11.0, 5.0, 7.0};
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// Scalar alpha and beta
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double alpha = 3.7;
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double beta = 2.0;
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// Offload data to device
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int64_t* dcsr_row_ptr_A;
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int32_t* dcsr_col_ind_A;
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double* dcsr_val_A;
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int64_t* dcsr_row_ptr_B;
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int32_t* dcsr_col_ind_B;
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double* dcsr_val_B;
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HIP_CHECK(hipMalloc((void**)&dcsr_row_ptr_A, sizeof(int64_t) * (m + 1)));
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HIP_CHECK(hipMalloc((void**)&dcsr_col_ind_A, sizeof(int32_t) * nnz_A));
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HIP_CHECK(hipMalloc((void**)&dcsr_val_A, sizeof(double) * nnz_A));
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HIP_CHECK(hipMalloc((void**)&dcsr_row_ptr_B, sizeof(int64_t) * (m + 1)));
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HIP_CHECK(hipMalloc((void**)&dcsr_col_ind_B, sizeof(int32_t) * nnz_B));
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HIP_CHECK(hipMalloc((void**)&dcsr_val_B, sizeof(double) * nnz_B));
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HIP_CHECK(hipMemcpy(
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dcsr_row_ptr_A, hcsr_row_ptr_A, sizeof(int64_t) * (m + 1), hipMemcpyHostToDevice));
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HIP_CHECK(
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hipMemcpy(dcsr_col_ind_A, hcsr_col_ind_A, sizeof(int32_t) * nnz_A, hipMemcpyHostToDevice));
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HIP_CHECK(hipMemcpy(dcsr_val_A, hcsr_val_A, sizeof(double) * nnz_A, hipMemcpyHostToDevice));
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HIP_CHECK(hipMemcpy(
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dcsr_row_ptr_B, hcsr_row_ptr_B, sizeof(int64_t) * (m + 1), hipMemcpyHostToDevice));
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HIP_CHECK(
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hipMemcpy(dcsr_col_ind_B, hcsr_col_ind_B, sizeof(int32_t) * nnz_B, hipMemcpyHostToDevice));
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HIP_CHECK(hipMemcpy(dcsr_val_B, hcsr_val_B, sizeof(double) * nnz_B, hipMemcpyHostToDevice));
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// Create sparse matrices
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rocsparse_spmat_descr A;
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rocsparse_spmat_descr B;
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rocsparse_spmat_descr C;
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rocsparse_index_base base = rocsparse_index_base_zero;
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rocsparse_indextype itype = rocsparse_indextype_i64;
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rocsparse_indextype jtype = rocsparse_indextype_i32;
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rocsparse_datatype ttype = rocsparse_datatype_f64_r;
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ROCSPARSE_CHECK(rocsparse_create_csr_descr(
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&A, m, n, nnz_A, dcsr_row_ptr_A, dcsr_col_ind_A, dcsr_val_A, itype, jtype, base, ttype));
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ROCSPARSE_CHECK(rocsparse_create_csr_descr(
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&B, m, n, nnz_B, dcsr_row_ptr_B, dcsr_col_ind_B, dcsr_val_B, itype, jtype, base, ttype));
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rocsparse_spgeam_descr descr;
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ROCSPARSE_CHECK(rocsparse_create_spgeam_descr(&descr));
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const rocsparse_spgeam_alg alg = rocsparse_spgeam_alg_default;
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
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handle, descr, rocsparse_spgeam_input_alg, &alg, sizeof(alg), nullptr));
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const rocsparse_operation op = rocsparse_operation_none;
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
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handle, descr, rocsparse_spgeam_input_operation_A, &op, sizeof(op), nullptr));
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
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handle, descr, rocsparse_spgeam_input_operation_B, &op, sizeof(op), nullptr));
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const rocsparse_datatype scalar_datatype = rocsparse_datatype_f64_r;
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(handle,
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descr,
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rocsparse_spgeam_input_scalar_datatype,
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&scalar_datatype,
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sizeof(scalar_datatype),
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nullptr));
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const rocsparse_datatype compute_datatype = rocsparse_datatype_f64_r;
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(handle,
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descr,
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rocsparse_spgeam_input_compute_datatype,
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&compute_datatype,
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sizeof(compute_datatype),
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nullptr));
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// Calculate NNZ phase
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size_t buffer_size_in_bytes;
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void* buffer;
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ROCSPARSE_CHECK(rocsparse_spgeam_buffer_size(handle,
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descr,
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A,
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B,
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nullptr,
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rocsparse_spgeam_stage_symbolic_analysis,
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&buffer_size_in_bytes,
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nullptr));
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HIP_CHECK(hipMalloc(&buffer, buffer_size_in_bytes));
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ROCSPARSE_CHECK(rocsparse_spgeam(handle,
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descr,
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A,
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B,
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nullptr,
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rocsparse_spgeam_stage_symbolic_analysis,
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buffer_size_in_bytes,
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buffer,
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nullptr));
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HIP_CHECK(hipFree(buffer));
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// Ensure analysis stage is complete before grabbing C non-zero count
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HIP_CHECK(hipStreamSynchronize(stream));
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int64_t nnz_C;
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ROCSPARSE_CHECK(rocsparse_spgeam_get_output(
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handle, descr, rocsparse_spgeam_output_nnz, &nnz_C, sizeof(int64_t), nullptr));
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// allocate and set up C
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std::cout << "Matrix C: " << nnz_C << " non-zero elements" << std::endl;
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// Compute column indices and values of C
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int64_t* dcsr_row_ptr_C;
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int32_t* dcsr_col_ind_C;
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double* dcsr_val_C;
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HIP_CHECK(hipMalloc((void**)&dcsr_row_ptr_C, sizeof(int64_t) * (m + 1)));
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HIP_CHECK(hipMalloc((void**)&dcsr_col_ind_C, sizeof(int32_t) * nnz_C));
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HIP_CHECK(hipMalloc((void**)&dcsr_val_C, sizeof(double) * nnz_C));
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ROCSPARSE_CHECK(rocsparse_create_csr_descr(
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&C, m, n, nnz_C, dcsr_row_ptr_C, dcsr_col_ind_C, dcsr_val_C, itype, jtype, base, ttype));
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// Symbolic compute phase
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ROCSPARSE_CHECK(rocsparse_spgeam_buffer_size(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_symbolic_compute,
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&buffer_size_in_bytes,
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nullptr));
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HIP_CHECK(hipMalloc(&buffer, buffer_size_in_bytes));
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ROCSPARSE_CHECK(rocsparse_spgeam(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_symbolic_compute,
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buffer_size_in_bytes,
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buffer,
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nullptr));
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HIP_CHECK(hipFree(buffer));
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// Numerical compute phase
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ROCSPARSE_CHECK(rocsparse_spgeam_buffer_size(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_analysis,
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&buffer_size_in_bytes,
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nullptr));
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HIP_CHECK(hipMalloc(&buffer, buffer_size_in_bytes));
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ROCSPARSE_CHECK(rocsparse_spgeam(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_analysis,
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buffer_size_in_bytes,
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buffer,
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nullptr));
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HIP_CHECK(hipFree(buffer));
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ROCSPARSE_CHECK(rocsparse_spgeam_buffer_size(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_compute,
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&buffer_size_in_bytes,
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nullptr));
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HIP_CHECK(hipMalloc(&buffer, buffer_size_in_bytes));
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
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handle, descr, rocsparse_spgeam_input_scalar_alpha, &alpha, sizeof(&alpha), nullptr));
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
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handle, descr, rocsparse_spgeam_input_scalar_beta, &beta, sizeof(&beta), nullptr));
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ROCSPARSE_CHECK(rocsparse_spgeam(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_compute,
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buffer_size_in_bytes,
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buffer,
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nullptr));
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HIP_CHECK(hipFree(buffer));
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// Print result
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std::vector<int64_t> hcsr_row_ptr_C(m + 1);
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std::vector<int32_t> hcsr_col_ind_C(nnz_C);
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std::vector<double> hcsr_val_C(nnz_C);
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HIP_CHECK(hipMemcpy(
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hcsr_row_ptr_C.data(), dcsr_row_ptr_C, sizeof(int64_t) * (m + 1), hipMemcpyDeviceToHost));
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HIP_CHECK(hipMemcpy(
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hcsr_col_ind_C.data(), dcsr_col_ind_C, sizeof(int32_t) * nnz_C, hipMemcpyDeviceToHost));
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HIP_CHECK(
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hipMemcpy(hcsr_val_C.data(), dcsr_val_C, sizeof(double) * nnz_C, hipMemcpyDeviceToHost));
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std::cout << "C row pointer:";
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for(int i = 0; i < m + 1; ++i)
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{
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std::cout << " " << hcsr_row_ptr_C[i];
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}
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std::cout << std::endl << "C column indices:";
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for(int i = 0; i < nnz_C; ++i)
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{
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std::cout << " " << hcsr_col_ind_C[i];
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}
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std::cout << std::endl << "C values:";
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for(int i = 0; i < nnz_C; ++i)
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{
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std::cout << " " << hcsr_val_C[i];
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}
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std::cout << std::endl;
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// Change the values of A and B
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double hcsr_val_A_2[8] = {8.0, 7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0};
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double hcsr_val_B_2[5] = {1.0, 2.0, 3.0, 4.0, 5.0};
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HIP_CHECK(hipMemcpy(dcsr_val_A, hcsr_val_A_2, sizeof(double) * nnz_A, hipMemcpyHostToDevice));
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HIP_CHECK(hipMemcpy(dcsr_val_B, hcsr_val_B_2, sizeof(double) * nnz_B, hipMemcpyHostToDevice));
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ROCSPARSE_CHECK(rocsparse_csr_set_pointers(A, dcsr_row_ptr_A, dcsr_col_ind_A, dcsr_val_A));
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ROCSPARSE_CHECK(rocsparse_csr_set_pointers(B, dcsr_row_ptr_B, dcsr_col_ind_B, dcsr_val_B));
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ROCSPARSE_CHECK(rocsparse_spgeam_buffer_size(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_analysis,
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&buffer_size_in_bytes,
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nullptr));
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HIP_CHECK(hipMalloc(&buffer, buffer_size_in_bytes));
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ROCSPARSE_CHECK(rocsparse_spgeam(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_analysis,
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buffer_size_in_bytes,
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buffer,
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nullptr));
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HIP_CHECK(hipFree(buffer));
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ROCSPARSE_CHECK(rocsparse_spgeam_buffer_size(handle,
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descr,
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A,
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B,
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C,
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rocsparse_spgeam_stage_numeric_compute,
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&buffer_size_in_bytes,
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nullptr));
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// Numerical compute phase
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HIP_CHECK(hipMalloc(&buffer, buffer_size_in_bytes));
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
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handle, descr, rocsparse_spgeam_input_scalar_alpha, &alpha, sizeof(&alpha), nullptr));
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ROCSPARSE_CHECK(rocsparse_spgeam_set_input(
|
|
handle, descr, rocsparse_spgeam_input_scalar_beta, &beta, sizeof(&beta), nullptr));
|
|
|
|
ROCSPARSE_CHECK(rocsparse_spgeam(handle,
|
|
descr,
|
|
A,
|
|
B,
|
|
C,
|
|
rocsparse_spgeam_stage_numeric_compute,
|
|
buffer_size_in_bytes,
|
|
buffer,
|
|
nullptr));
|
|
HIP_CHECK(hipFree(buffer));
|
|
|
|
// Print result
|
|
HIP_CHECK(hipMemcpy(
|
|
hcsr_row_ptr_C.data(), dcsr_row_ptr_C, sizeof(int64_t) * (m + 1), hipMemcpyDeviceToHost));
|
|
HIP_CHECK(hipMemcpy(
|
|
hcsr_col_ind_C.data(), dcsr_col_ind_C, sizeof(int32_t) * nnz_C, hipMemcpyDeviceToHost));
|
|
HIP_CHECK(
|
|
hipMemcpy(hcsr_val_C.data(), dcsr_val_C, sizeof(double) * nnz_C, hipMemcpyDeviceToHost));
|
|
|
|
std::cout << "C row pointer:";
|
|
|
|
for(int i = 0; i < m + 1; ++i)
|
|
{
|
|
std::cout << " " << hcsr_row_ptr_C[i];
|
|
}
|
|
|
|
std::cout << std::endl << "C column indices:";
|
|
|
|
for(int i = 0; i < nnz_C; ++i)
|
|
{
|
|
std::cout << " " << hcsr_col_ind_C[i];
|
|
}
|
|
|
|
std::cout << std::endl << "C values:";
|
|
|
|
for(int i = 0; i < nnz_C; ++i)
|
|
{
|
|
std::cout << " " << hcsr_val_C[i];
|
|
}
|
|
|
|
std::cout << std::endl;
|
|
|
|
// Clear rocSPARSE
|
|
ROCSPARSE_CHECK(rocsparse_destroy_spgeam_descr(descr));
|
|
ROCSPARSE_CHECK(rocsparse_destroy_spmat_descr(A));
|
|
ROCSPARSE_CHECK(rocsparse_destroy_spmat_descr(B));
|
|
ROCSPARSE_CHECK(rocsparse_destroy_spmat_descr(C));
|
|
ROCSPARSE_CHECK(rocsparse_destroy_handle(handle));
|
|
|
|
// Clear device memory
|
|
HIP_CHECK(hipFree(dcsr_row_ptr_A));
|
|
HIP_CHECK(hipFree(dcsr_col_ind_A));
|
|
HIP_CHECK(hipFree(dcsr_val_A));
|
|
HIP_CHECK(hipFree(dcsr_row_ptr_B));
|
|
HIP_CHECK(hipFree(dcsr_col_ind_B));
|
|
HIP_CHECK(hipFree(dcsr_val_B));
|
|
HIP_CHECK(hipFree(dcsr_row_ptr_C));
|
|
HIP_CHECK(hipFree(dcsr_col_ind_C));
|
|
HIP_CHECK(hipFree(dcsr_val_C));
|
|
|
|
return 0;
|
|
}
|