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/******************************************************************************
* Copyright (c) Intel Corporation - All rights reserved. *
* This file is part of the LIBXSMM library. *
* *
* For information on the license, see the LICENSE file. *
* Further information: https://github.com/hfp/libxsmm/ *
* SPDX-License-Identifier: BSD-3-Clause *
******************************************************************************/
/* Alexander Heinecke (Intel Corp.)
******************************************************************************/
#include <libxsmm.h>
#include "common_edge_proxy.h"
int main(int argc, char* argv[]) {
int M = ( argc == 7 ) ? atoi(argv[1]) : 9;
int N = ( argc == 7 ) ? atoi(argv[2]) : 10;
int K = ( argc == 7 ) ? atoi(argv[3]) : 9;
unsigned int N_CRUNS = ( argc == 7 ) ? atoi(argv[4]) : 8;
unsigned int REPS = ( argc == 7 ) ? atoi(argv[5]) : 1;
char* l_csr_file = ( argc == 7 ) ? argv[6] : "file.csr";
const libxsmm_gemm_prefetch_type prefetch = LIBXSMM_GEMM_PREFETCH_NONE;
const int flags = LIBXSMM_GEMM_FLAGS('N', 'N');
const REALTYPE alpha = 1, beta = 1;
REALTYPE* l_a_de = (REALTYPE*)libxsmm_aligned_malloc(sizeof(REALTYPE) * K * K, 64);
REALTYPE* l_a_sp = NULL;
REALTYPE* l_b = (REALTYPE*)libxsmm_aligned_malloc(sizeof(REALTYPE) * K * N * N_CRUNS, 64);
unsigned int* l_rowptr = NULL;
unsigned int* l_colidx = NULL;
unsigned int l_rowcount, l_colcount, l_elements;
REALTYPE* l_c = (REALTYPE*)libxsmm_aligned_malloc(sizeof(REALTYPE) * K * N * N_CRUNS, 64);
REALTYPE* l_c_gold = (REALTYPE*)libxsmm_aligned_malloc(sizeof(REALTYPE) * K * N * N_CRUNS, 64);
REALTYPE* l_c_asm = (REALTYPE*)libxsmm_aligned_malloc(sizeof(REALTYPE) * K * N * N_CRUNS, 64);
REALTYPE l_max_error = 0.0;
unsigned int l_k, l_n;
int l_i, l_j, l_jj;
LIBXSMM_VLA_DECL(3, REALTYPE, l_p_b, l_b, N, N_CRUNS);
LIBXSMM_VLA_DECL(3, REALTYPE, l_p_c_asm, l_c_asm, N, N_CRUNS);
LIBXSMM_VLA_DECL(3, REALTYPE, l_p_c_gold, l_c_gold, N, N_CRUNS);
libxsmm_descriptor_blob l_xgemm_blob;
const libxsmm_gemm_descriptor* l_xgemm_desc = 0;
LIBXSMM_MMFUNCTION_TYPE(REALTYPE) mykernel = NULL;
unsigned long long l_start, l_end;
double l_total;
unsigned long long l_libxsmmflops;
libxsmm_kernel_info l_kinfo;
if (argc != 7) {
fprintf( stderr, "arguments: M #iters CSR-file!\n" );
return -1;
}
/* touch B */
for ( l_i = 0; l_i < K; l_i++) {
for ( l_j = 0; l_j < N; l_j++) {
for ( l_k = 0; l_k < N_CRUNS; l_k++ ) {
LIBXSMM_VLA_ACCESS(3, l_p_b, l_i, l_j, l_k, N, N_CRUNS) = (REALTYPE)libxsmm_rng_f64();
}
}
}
/* touch C */
for ( l_i = 0; l_i < K; l_i++) {
for ( l_j = 0; l_j < N; l_j++) {
for ( l_k = 0; l_k < N_CRUNS; l_k++ ) {
LIBXSMM_VLA_ACCESS(3, l_p_c_gold, l_i, l_j, l_k, N, N_CRUNS) = (REALTYPE)0.0;
LIBXSMM_VLA_ACCESS(3, l_p_c_asm, l_i, l_j, l_k, N, N_CRUNS) = (REALTYPE)0.0;
}
}
}
/* read A, CSR */
libxsmm_sparse_csr_reader( l_csr_file,
&l_rowptr,
&l_colidx,
&l_a_sp,
&l_rowcount, &l_colcount, &l_elements );
/* copy b to dense */
printf("CSR matrix data structure we just read:\n");
printf("rows: %u, columns: %u, elements: %u\n", l_rowcount, l_colcount, l_elements);
for ( l_n = 0; l_n < (((unsigned int)K) * K); l_n++) {
l_a_de[l_n] = 0.0;
}
for ( l_n = 0; l_n < (unsigned int)K; l_n++) {
const unsigned int l_rowelems = l_rowptr[l_n+1] - l_rowptr[l_n];
assert(l_rowptr[l_n+1] >= l_rowptr[l_n]);
for ( l_k = 0; l_k < l_rowelems; l_k++) {
l_a_de[(l_n * K) + l_colidx[l_rowptr[l_n] + l_k]] = l_a_sp[l_rowptr[l_n] + l_k];
}
}
/* dense routine */
l_start = libxsmm_timer_tick();
#if 1
for ( l_n = 0; l_n < REPS; l_n++) {
for ( l_i = 0; l_i < K; l_i++) {
for ( l_j = 0; l_j < N; l_j++) {
for ( l_jj = 0; l_jj < K; l_jj++) {
LIBXSMM_PRAGMA_SIMD
for (l_k = 0; l_k < N_CRUNS; l_k++) {
LIBXSMM_VLA_ACCESS(3, l_p_c_gold, l_i, l_j, l_k, N, N_CRUNS)
+= l_a_de[(l_i*K)+l_jj]
* LIBXSMM_VLA_ACCESS(3, l_p_b, l_jj, l_j, l_k, N, N_CRUNS);
}
}
}
}
}
#endif
l_end = libxsmm_timer_tick();
l_total = libxsmm_timer_duration(l_start, l_end);
printf("%fs for dense\n", l_total);
printf("%f GFLOPS for dense\n", ((double)((double)REPS * (double)K * (double)K * (double)N * (double)N_CRUNS) * 2.0) / (l_total * 1.0e9));
l_xgemm_desc = libxsmm_gemm_descriptor_dinit(&l_xgemm_blob, LIBXSMM_GEMM_PRECISION(REALTYPE),
K, N, K, 0, N, N, alpha, beta, flags, prefetch);
/* sparse routine */
#if defined(__EDGE_EXECUTE_F32__)
mykernel = libxsmm_create_xcsr_soa( l_xgemm_desc, l_rowptr, l_colidx, (const void*)l_a_sp, N_CRUNS ).smm;
#else
mykernel = libxsmm_create_xcsr_soa( l_xgemm_desc, l_rowptr, l_colidx, (const void*)l_a_sp, N_CRUNS ).dmm;
#endif
l_start = libxsmm_timer_tick();
for ( l_n = 0; l_n < REPS; l_n++) {
mykernel( l_a_sp, l_b, l_c_asm );
}
l_end = libxsmm_timer_tick();
l_total = libxsmm_timer_duration(l_start, l_end);
libxsmm_get_kernel_info( LIBXSMM_CONST_VOID_PTR(mykernel), &l_kinfo);
l_libxsmmflops = l_kinfo.nflops;
printf("%fs for sparse (asm)\n", l_total);
printf("%f GFLOPS for sparse (asm), calculated\n", ((double)((double)REPS * (double)N * (double)l_elements * (double)N_CRUNS) * 2.0) / (l_total * 1.0e9));
printf("%f GFLOPS for sparse (asm), libxsmm \n", ((double)((double)REPS * (double)l_libxsmmflops)) / (l_total * 1.0e9));
/* check for errors */
l_max_error = (REALTYPE)0.0;
for ( l_i = 0; l_i < K; l_i++) {
for ( l_j = 0; l_j < N; l_j++) {
for ( l_k = 0; l_k < N_CRUNS; l_k++ ) {
if (fabs( LIBXSMM_VLA_ACCESS(3, l_p_c_gold, l_i, l_j, l_k, N, N_CRUNS)
- LIBXSMM_VLA_ACCESS(3, l_p_c_asm, l_i, l_j, l_k, N, N_CRUNS) ) > l_max_error ) {
l_max_error = (REALTYPE)fabs( LIBXSMM_VLA_ACCESS(3, l_p_c_gold, l_i, l_j, l_k, N, N_CRUNS)
-LIBXSMM_VLA_ACCESS(3, l_p_c_asm, l_i, l_j, l_k, N, N_CRUNS) );
}
}
}
}
printf("max error: %f\n", l_max_error);
printf("PERFDUMP,%s,%u,%i,%i,%i,%u,%u,%f,%f,%f\n", l_csr_file, REPS, M, N, K, l_elements, K * l_elements * N_CRUNS * 2, l_max_error, l_total, ((double)((double)REPS * (double)K * (double)l_elements * (double)N_CRUNS) * 2.0) / (l_total * 1.0e9) );
/* free */
libxsmm_free( l_a_de );
libxsmm_free( l_b );
libxsmm_free( l_c );
libxsmm_free( l_c_gold );
libxsmm_free( l_c_asm );
free( l_a_sp );
free( l_rowptr );
free( l_colidx );
return 0;
}
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