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/* ************************************************************************
* 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.
*
* ************************************************************************ */
#include "utility.hpp"
#include <hip/hip_runtime_api.h>
#include <hipsparse/hipsparse.h>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
int main(int argc, char* argv[])
{
// Parse command line
if(argc < 2)
{
fprintf(stderr, "%s <ndim> [<trials> <batch_size>]\n", argv[0]);
return -1;
}
int ndim = atoi(argv[1]);
int trials = 200;
int batch_size = 1;
if(argc > 2)
{
trials = atoi(argv[2]);
}
if(argc > 3)
{
batch_size = atoi(argv[3]);
}
// hipSPARSE handle
hipsparseHandle_t handle;
hipsparseCreate(&handle);
hipDeviceProp_t devProp;
int device_id = 0;
hipGetDevice(&device_id);
hipGetDeviceProperties(&devProp, device_id);
printf("Device: %s\n", devProp.name);
// Generate problem
std::vector<int> hAptr;
std::vector<int> hAcol;
std::vector<double> hAval;
int m = gen_2d_laplacian(ndim, hAptr, hAcol, hAval, HIPSPARSE_INDEX_BASE_ZERO);
int n = m;
int nnz = hAptr[m];
// Sample some random data
srand(12345ULL);
double halpha = static_cast<double>(rand()) / RAND_MAX;
double hbeta = 0.0;
std::vector<double> hx(n);
hipsparseInit(hx, 1, n);
// Matrix descriptor
hipsparseMatDescr_t descrA;
hipsparseCreateMatDescr(&descrA);
// Offload data to device
int* dAptr = NULL;
int* dAcol = NULL;
double* dAval = NULL;
double* dx = NULL;
double* dy = NULL;
hipMalloc((void**)&dAptr, sizeof(int) * (m + 1));
hipMalloc((void**)&dAcol, sizeof(int) * nnz);
hipMalloc((void**)&dAval, sizeof(double) * nnz);
hipMalloc((void**)&dx, sizeof(double) * n);
hipMalloc((void**)&dy, sizeof(double) * m);
hipMemcpy(dAptr, hAptr.data(), sizeof(int) * (m + 1), hipMemcpyHostToDevice);
hipMemcpy(dAcol, hAcol.data(), sizeof(int) * nnz, hipMemcpyHostToDevice);
hipMemcpy(dAval, hAval.data(), sizeof(double) * nnz, hipMemcpyHostToDevice);
hipMemcpy(dx, hx.data(), sizeof(double) * n, hipMemcpyHostToDevice);
// Warm up
for(int i = 0; i < 10; ++i)
{
// Call hipsparse csrmv
hipsparseDcsrmv(handle,
HIPSPARSE_OPERATION_NON_TRANSPOSE,
m,
n,
nnz,
&halpha,
descrA,
dAval,
dAptr,
dAcol,
dx,
&hbeta,
dy);
}
// Device synchronization
hipDeviceSynchronize();
// Start time measurement
double time = get_time_us();
// CSR matrix vector multiplication
for(int i = 0; i < trials; ++i)
{
for(int j = 0; j < batch_size; ++j)
{
// Call hipsparse csrmv
hipsparseDcsrmv(handle,
HIPSPARSE_OPERATION_NON_TRANSPOSE,
m,
n,
nnz,
&halpha,
descrA,
dAval,
dAptr,
dAcol,
dx,
&hbeta,
dy);
}
// Device synchronization
hipDeviceSynchronize();
}
time = (get_time_us() - time) / (trials * batch_size * 1e3);
double bandwidth
= static_cast<double>(sizeof(double) * (2 * m + nnz) + sizeof(int) * (m + 1 + nnz)) / time
/ 1e6;
double gflops = static_cast<double>(2 * nnz) / time / 1e6;
printf("m\t\tn\t\tnnz\t\talpha\tbeta\tGFlops\tGB/s\tusec\n");
printf("%8d\t%8d\t%9d\t%0.2lf\t%0.2lf\t%0.2lf\t%0.2lf\t%0.2lf\n",
m,
n,
nnz,
halpha,
hbeta,
gflops,
bandwidth,
time);
// Clear up on device
hipFree(dAptr);
hipFree(dAcol);
hipFree(dAval);
hipFree(dx);
hipFree(dy);
hipsparseDestroyMatDescr(descrA);
hipsparseDestroy(handle);
return 0;
}
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