diff options
Diffstat (limited to 'benchmark/dot.c')
| -rw-r--r-- | benchmark/dot.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/benchmark/dot.c b/benchmark/dot.c new file mode 100644 index 000000000..6132ed324 --- /dev/null +++ b/benchmark/dot.c @@ -0,0 +1,195 @@ +/*************************************************************************** +Copyright (c) 2014, The OpenBLAS Project +All rights reserved. +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. Neither the name of the OpenBLAS project nor the names of +its contributors may be used to endorse or promote products +derived from this software without specific prior written permission. +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*****************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#ifdef __CYGWIN32__ +#include <sys/time.h> +#endif +#include "common.h" + + +#undef DOT + + +#ifdef DOUBLE +#define DOT BLASFUNC(ddot) +#else +#define DOT BLASFUNC(sdot) +#endif + + +#if defined(__WIN32__) || defined(__WIN64__) + +#ifndef DELTA_EPOCH_IN_MICROSECS +#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL +#endif + +int gettimeofday(struct timeval *tv, void *tz){ + + FILETIME ft; + unsigned __int64 tmpres = 0; + static int tzflag; + + if (NULL != tv) + { + GetSystemTimeAsFileTime(&ft); + + tmpres |= ft.dwHighDateTime; + tmpres <<= 32; + tmpres |= ft.dwLowDateTime; + + /*converting file time to unix epoch*/ + tmpres /= 10; /*convert into microseconds*/ + tmpres -= DELTA_EPOCH_IN_MICROSECS; + tv->tv_sec = (long)(tmpres / 1000000UL); + tv->tv_usec = (long)(tmpres % 1000000UL); + } + + return 0; +} + +#endif + +#if !defined(__WIN32__) && !defined(__WIN64__) && !defined(__CYGWIN32__) && 0 + +static void *huge_malloc(BLASLONG size){ + int shmid; + void *address; + +#ifndef SHM_HUGETLB +#define SHM_HUGETLB 04000 +#endif + + if ((shmid =shmget(IPC_PRIVATE, + (size + HUGE_PAGESIZE) & ~(HUGE_PAGESIZE - 1), + SHM_HUGETLB | IPC_CREAT |0600)) < 0) { + printf( "Memory allocation failed(shmget).\n"); + exit(1); + } + + address = shmat(shmid, NULL, SHM_RND); + + if ((BLASLONG)address == -1){ + printf( "Memory allocation failed(shmat).\n"); + exit(1); + } + + shmctl(shmid, IPC_RMID, 0); + + return address; +} + +#define malloc huge_malloc + +#endif + +int MAIN__(int argc, char *argv[]){ + + FLOAT *x, *y; + FLOAT result; + blasint m, i; + blasint inc_x=1,inc_y=1; + int loops = 1; + int l; + char *p; + + int from = 1; + int to = 200; + int step = 1; + + struct timeval start, stop; + double time1,timeg; + + argc--;argv++; + + if (argc > 0) { from = atol(*argv); argc--; argv++;} + if (argc > 0) { to = MAX(atol(*argv), from); argc--; argv++;} + if (argc > 0) { step = atol(*argv); argc--; argv++;} + + if ((p = getenv("OPENBLAS_LOOPS"))) loops = atoi(p); + if ((p = getenv("OPENBLAS_INCX"))) inc_x = atoi(p); + if ((p = getenv("OPENBLAS_INCY"))) inc_y = atoi(p); + + fprintf(stderr, "From : %3d To : %3d Step = %3d Inc_x = %d Inc_y = %d Loops = %d\n", from, to, step,inc_x,inc_y,loops); + + if (( x = (FLOAT *)malloc(sizeof(FLOAT) * to * abs(inc_x) * COMPSIZE)) == NULL){ + fprintf(stderr,"Out of Memory!!\n");exit(1); + } + + if (( y = (FLOAT *)malloc(sizeof(FLOAT) * to * abs(inc_y) * COMPSIZE)) == NULL){ + fprintf(stderr,"Out of Memory!!\n");exit(1); + } + +#ifdef linux + srandom(getpid()); +#endif + + fprintf(stderr, " SIZE Flops\n"); + + for(m = from; m <= to; m += step) + { + + timeg=0; + + fprintf(stderr, " %6d : ", (int)m); + + + for (l=0; l<loops; l++) + { + + for(i = 0; i < m * COMPSIZE * abs(inc_x); i++){ + x[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5; + } + + for(i = 0; i < m * COMPSIZE * abs(inc_y); i++){ + y[i] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5; + } + gettimeofday( &start, (struct timezone *)0); + + result = DOT (&m, x, &inc_x, y, &inc_y ); + + gettimeofday( &stop, (struct timezone *)0); + + time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6; + + timeg += time1; + + } + + timeg /= loops; + + fprintf(stderr, + " %10.2f MFlops\n", + COMPSIZE * COMPSIZE * 2. * (double)m / timeg * 1.e-6); + + } + + return 0; +} + +void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__"))); |