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/*! \file */
/* ************************************************************************
* Copyright (C) 2020 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.
*
* ************************************************************************ */
#include <hip/hip_runtime_api.h>
#include <iostream>
#include <rocsparse.h>
#define HIP_CHECK(stat) \
{ \
if(stat != hipSuccess) \
{ \
std::cerr << "Error: hip error in line " << __LINE__ << std::endl; \
return -1; \
} \
}
#define ROCSPARSE_CHECK(stat) \
{ \
if(stat != rocsparse_status_success) \
{ \
std::cerr << "Error: rocsparse error in line " << __LINE__ << std::endl; \
return -1; \
} \
}
int main(int argc, char* argv[])
{
// Query device
int ndev;
HIP_CHECK(hipGetDeviceCount(&ndev));
if(ndev < 1)
{
std::cerr << "No HIP device found" << std::endl;
return -1;
}
// Query device properties
hipDeviceProp_t prop;
HIP_CHECK(hipGetDeviceProperties(&prop, 0));
std::cout << "Device: " << prop.name << std::endl;
// rocSPARSE handle
rocsparse_handle handle;
ROCSPARSE_CHECK(rocsparse_create_handle(&handle));
// Print rocSPARSE version and revision
int ver;
char rev[64];
ROCSPARSE_CHECK(rocsparse_get_version(handle, &ver));
ROCSPARSE_CHECK(rocsparse_get_git_rev(handle, rev));
std::cout << "rocSPARSE version: " << ver / 100000 << "." << ver / 100 % 1000 << "."
<< ver % 100 << "-" << rev << std::endl;
// Input data
// Matrix A (m x k)
// ( 1.0 2.0 0.0 3.0 0.0 )
// ( 0.0 4.0 5.0 0.0 0.0 )
// ( 6.0 0.0 0.0 7.0 8.0 )
// Number of rows and columns
rocsparse_int m = 3;
rocsparse_int n = 2;
rocsparse_int k = 5;
// Number of non-zero entries
rocsparse_int nnz = 8;
// CSR row pointers
rocsparse_int hcsr_row_ptr[4] = {0, 3, 5, 8};
// CSR column indices
rocsparse_int hcsr_col_ind[8] = {0, 1, 3, 1, 2, 0, 3, 4};
// CSR values
double hcsr_val[8] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0};
// Transposition of the matrix
rocsparse_operation transA = rocsparse_operation_none;
rocsparse_operation transB = rocsparse_operation_none;
// Matrix B (k x n)
// ( 9.0 10.0 )
// ( 11.0 12.0 )
// ( 13.0 14.0 )
// ( 15.0 16.0 )
// ( 17.0 18.0 )
// Matrix B in column-major
rocsparse_int ldb = k;
double hB[10] = {9.0, 11.0, 13.0, 15.0, 17.0, 10.0, 12.0, 14.0, 16.0, 18.0};
// Matrix C (m x n) in column-major
rocsparse_int ldc = m;
double hC[6] = {19.0, 21.0, 23.0, 20.0, 22.0, 24.0};
// Scalar alpha and beta
double alpha = 3.7;
double beta = 1.3;
// Matrix descriptor
rocsparse_mat_descr descr;
ROCSPARSE_CHECK(rocsparse_create_mat_descr(&descr));
// Offload data to device
rocsparse_int* dcsr_row_ptr;
rocsparse_int* dcsr_col_ind;
double* dcsr_val;
double* dB;
double* dC;
HIP_CHECK(hipMalloc((void**)&dcsr_row_ptr, sizeof(rocsparse_int) * (m + 1)));
HIP_CHECK(hipMalloc((void**)&dcsr_col_ind, sizeof(rocsparse_int) * nnz));
HIP_CHECK(hipMalloc((void**)&dcsr_val, sizeof(double) * nnz));
HIP_CHECK(hipMalloc((void**)&dB, sizeof(double) * k * n));
HIP_CHECK(hipMalloc((void**)&dC, sizeof(double) * m * n));
HIP_CHECK(hipMemcpy(
dcsr_row_ptr, hcsr_row_ptr, sizeof(rocsparse_int) * (m + 1), hipMemcpyHostToDevice));
HIP_CHECK(
hipMemcpy(dcsr_col_ind, hcsr_col_ind, sizeof(rocsparse_int) * nnz, hipMemcpyHostToDevice));
HIP_CHECK(hipMemcpy(dcsr_val, hcsr_val, sizeof(double) * nnz, hipMemcpyHostToDevice));
HIP_CHECK(hipMemcpy(dB, hB, sizeof(double) * k * n, hipMemcpyHostToDevice));
HIP_CHECK(hipMemcpy(dC, hC, sizeof(double) * m * n, hipMemcpyHostToDevice));
// Call dcsrmm
ROCSPARSE_CHECK(rocsparse_dcsrmm(handle,
transA,
transB,
m,
n,
k,
nnz,
&alpha,
descr,
dcsr_val,
dcsr_row_ptr,
dcsr_col_ind,
dB,
ldb,
&beta,
dC,
ldc));
// Print result
HIP_CHECK(hipMemcpy(hC, dC, sizeof(double) * m * n, hipMemcpyDeviceToHost));
std::cout << "C:" << std::endl;
for(int i = 0; i < m; ++i)
{
for(int j = 0; j < n; ++j)
{
std::cout << " " << hC[i + j * ldc];
}
std::cout << std::endl;
}
// Clear rocSPARSE
ROCSPARSE_CHECK(rocsparse_destroy_mat_descr(descr));
ROCSPARSE_CHECK(rocsparse_destroy_handle(handle));
// Clear device memory
HIP_CHECK(hipFree(dcsr_row_ptr));
HIP_CHECK(hipFree(dcsr_col_ind));
HIP_CHECK(hipFree(dcsr_val));
HIP_CHECK(hipFree(dB));
HIP_CHECK(hipFree(dC));
return 0;
}
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