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Diffstat (limited to 'TOOLS/fastmemcpybench.c')
| -rw-r--r-- | TOOLS/fastmemcpybench.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/TOOLS/fastmemcpybench.c b/TOOLS/fastmemcpybench.c deleted file mode 100644 index 354dcb475c..0000000000 --- a/TOOLS/fastmemcpybench.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * benchmark tool for fast_memcpy code from libvo - * - * NOTE: This code can not be used on Pentium MMX / II because they contain - * a bug in rdtsc. For Intel processors since P6(PII) rdpmc should be used - * instead. For PIII it's disputable and it seems the bug was fixed but this - * was not confirmed through testing. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/ioctl.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/mman.h> -#include <sys/time.h> -#include <inttypes.h> - -#include "config.h" -#include "cpudetect.h" - -#define BLOCK_SIZE 4096 -#define CONFUSION_FACTOR 0 - -#if HAVE_MMX -#define COMPILE_MMX -#endif - -#if HAVE_MMX2 -#define COMPILE_MMX2 -#endif - -#if HAVE_AMD3DNOW -#define COMPILE_AMD3DNOW -#endif - -#if HAVE_SSE -#define COMPILE_SSE -#endif - -#ifdef COMPILE_MMX -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#undef HAVE_SSE -#undef HAVE_SSE2 -#define HAVE_MMX 1 -#define HAVE_MMX2 0 -#define HAVE_AMD3DNOW 0 -#define HAVE_SSE 0 -#define HAVE_SSE2 0 -#define RENAME(a) a ## _MMX -#include "libvo/aclib_template.c" -#endif - -#ifdef COMPILE_MMX2 -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#undef HAVE_SSE -#undef HAVE_SSE2 -#define HAVE_MMX 1 -#define HAVE_MMX2 1 -#define HAVE_AMD3DNOW 0 -#define HAVE_SSE 0 -#define HAVE_SSE2 0 -#define RENAME(a) a ## _MMX2 -#include "libvo/aclib_template.c" -#endif - -#ifdef COMPILE_AMD3DNOW -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#undef HAVE_SSE -#undef HAVE_SSE2 -#define HAVE_MMX 1 -#define HAVE_MMX2 0 -#define HAVE_AMD3DNOW 1 -#define HAVE_SSE 0 -#define HAVE_SSE2 0 -#define RENAME(a) a ## _3DNow -#include "libvo/aclib_template.c" -#endif - -#ifdef COMPILE_SSE -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#undef HAVE_SSE -#undef HAVE_SSE2 -#define HAVE_MMX 1 -#define HAVE_MMX2 1 -#define HAVE_AMD3DNOW 0 -#define HAVE_SSE 1 -#define HAVE_SSE2 1 -#define RENAME(a) a ## _SSE -#include "libvo/aclib_template.c" -#endif - -//#define ARR_SIZE 100000 -#define ARR_SIZE (1024*768*2) - -#ifdef CONFIG_MGA - -#include "drivers/mga_vid.h" - -static mga_vid_config_t mga_vid_config; -static unsigned char* frame = NULL; -static int f; - -static int mga_init(void) -{ - f = open("/dev/mga_vid", O_RDWR); - if (f == -1) { - fprintf(stderr, "Couldn't open /dev/mga_vid.\n"); - return -1; - } - - mga_vid_config.num_frames = 1; - mga_vid_config.frame_size = ARR_SIZE; - mga_vid_config.format = MGA_VID_FORMAT_YUY2; - - mga_vid_config.colkey_on = 0; - mga_vid_config.src_width = 640; - mga_vid_config.src_height = 480; - mga_vid_config.dest_width = 320; - mga_vid_config.dest_height = 200; - mga_vid_config.x_org = 0; - mga_vid_config.y_org = 0; - - mga_vid_config.version = MGA_VID_VERSION; - if (ioctl(f, MGA_VID_CONFIG, &mga_vid_config)) { - perror("Error in mga_vid_config ioctl()"); - printf("Your mga_vid driver version is incompatible with this MPlayer version!\n"); - exit(1); - } - ioctl(f, MGA_VID_ON, 0); - - frame = (char*)mmap(0, mga_vid_config.frame_size*mga_vid_config.num_frames, - PROT_WRITE,MAP_SHARED, f, 0); - if (!frame) { - printf("Can't mmap MGA frame.\n"); - exit(1); - } - - //clear the buffer - //memset(frames[0], 0x80, mga_vid_config.frame_size*mga_vid_config.num_frames); - - return 0; -} - -#endif - -// Returns current time in microseconds -static unsigned int GetTimer(void) -{ - struct timeval tv; - struct timezone tz; - //float s; - gettimeofday(&tv, &tz); - //s = tv.tv_usec; s *= 0.000001; s += tv.tv_sec; - return tv.tv_sec * 1000000 + tv.tv_usec; -} - -static inline unsigned long long int read_tsc(void) -{ - unsigned long long int retval; - __asm__ volatile ("rdtsc":"=A" (retval)::"memory"); - return retval; -} - -unsigned char __attribute__((aligned(4096)))arr1[ARR_SIZE], arr2[ARR_SIZE]; - -int main(void) -{ - unsigned long long int v1, v2; - unsigned char *marr1, *marr2; - int i; - unsigned int t; -#ifdef CONFIG_MGA - mga_init(); - marr1 = &frame[3]; -#else - marr1 = &arr1[0]; -#endif - marr2 = &arr2[0]; - - for (i = 0; i < ARR_SIZE - 16; i++) - marr1[i] = marr2[i] = i; - -#define testblock(func, name) \ - t = GetTimer(); \ - v1 = read_tsc(); \ - for (i = 0; i < 100; i++) \ - func(marr1, marr2, ARR_SIZE - 16); \ - v2 = read_tsc(); \ - t = GetTimer() - t; \ - /* ARR_SIZE*100 / (1024*1024) / (t/1000000) = ARR_SIZE*95.36743 / t */ \ - printf(name "CPU clocks=%llu = %dus (%5.3ffps) %5.1fMB/s\n", v2-v1, t, \ - 100000000.0f / (float)t, (float)ARR_SIZE*95.36743f / (float)t); - - testblock(memcpy, "libc: "); - -#if HAVE_MMX - testblock(fast_memcpy_MMX, "MMX: "); -#endif - -#if HAVE_AMD3DNOW - testblock(fast_memcpy_3DNow, "3DNow!: "); -#endif - -#if HAVE_MMX2 - testblock(fast_memcpy_MMX2, "MMX2: "); -#endif - -#if HAVE_SSE - testblock(fast_memcpy_SSE, "SSE: "); -#endif - - return 0; -} |