mirror of https://github.com/mpv-player/mpv
whitespace cosmetics:
- Remove all tabs and trailing whitespace. - Indent with 4 spaces. - K&R-ify and prettyprint some parts. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28903 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
diego
parent
1753d37fc7
commit
a0bce02b7c
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@ -1,6 +1,6 @@
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/*
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fastmemcpybench.c used to benchmark fastmemcpy.h code from libvo.
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Note: this code can not be used on PentMMX-PII because they contain
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a bug in rdtsc. For Intel processors since P6(PII) rdpmc should be used
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instead. For PIII it's disputable and seems bug was fixed but I don't
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@ -27,50 +27,48 @@
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#include "drivers/mga_vid.h"
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static mga_vid_config_t mga_vid_config;
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static unsigned char* frame=NULL;
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static unsigned char* frame = NULL;
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static int f;
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static int mga_init(void)
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{
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f = open("/dev/mga_vid",O_RDWR);
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if(f == -1)
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{
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fprintf(stderr,"Couldn't open /dev/mga_vid\n");
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return -1;
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}
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f = open("/dev/mga_vid", O_RDWR);
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if (f == -1) {
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fprintf(stderr, "Couldn't open /dev/mga_vid\n");
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return -1;
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}
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mga_vid_config.num_frames=1;
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mga_vid_config.frame_size=ARR_SIZE;
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mga_vid_config.format=MGA_VID_FORMAT_YUY2;
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mga_vid_config.num_frames = 1;
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mga_vid_config.frame_size = ARR_SIZE;
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mga_vid_config.format = MGA_VID_FORMAT_YUY2;
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mga_vid_config.colkey_on=0;
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mga_vid_config.src_width = 640;
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mga_vid_config.src_height= 480;
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mga_vid_config.dest_width = 320;
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mga_vid_config.dest_height= 200;
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mga_vid_config.x_org= 0;
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mga_vid_config.y_org= 0;
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mga_vid_config.version=MGA_VID_VERSION;
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if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config))
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{
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perror("Error in mga_vid_config ioctl()");
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printf("Your mga_vid driver version is incompatible with this MPlayer version!\n");
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exit(1);
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}
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ioctl(f,MGA_VID_ON,0);
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mga_vid_config.colkey_on = 0;
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mga_vid_config.src_width = 640;
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mga_vid_config.src_height = 480;
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mga_vid_config.dest_width = 320;
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mga_vid_config.dest_height = 200;
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mga_vid_config.x_org = 0;
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mga_vid_config.y_org = 0;
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frame = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0);
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if(!frame){
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printf("Can't mmap mga frame\n");
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exit(1);
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}
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mga_vid_config.version = MGA_VID_VERSION;
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if (ioctl(f, MGA_VID_CONFIG, &mga_vid_config)) {
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perror("Error in mga_vid_config ioctl()");
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printf("Your mga_vid driver version is incompatible with this MPlayer version!\n");
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exit(1);
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}
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ioctl(f, MGA_VID_ON, 0);
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//clear the buffer
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//memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
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frame = (char*)mmap(0, mga_vid_config.frame_size*mga_vid_config.num_frames,
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PROT_WRITE,MAP_SHARED, f, 0);
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if (!frame) {
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printf("Can't mmap mga frame\n");
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exit(1);
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}
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return 0;
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//clear the buffer
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//memset(frames[0], 0x80, mga_vid_config.frame_size*mga_vid_config.num_frames);
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return 0;
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}
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#endif
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@ -78,45 +76,48 @@ static int mga_init(void)
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// Returns current time in microseconds
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static unsigned int GetTimer(void)
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{
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struct timeval tv;
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struct timezone tz;
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// float s;
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gettimeofday(&tv,&tz);
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// s=tv.tv_usec;s*=0.000001;s+=tv.tv_sec;
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return tv.tv_sec * 1000000 + tv.tv_usec;
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}
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static inline unsigned long long int read_tsc( void )
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{
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unsigned long long int retval;
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__asm__ volatile ("rdtsc":"=A"(retval)::"memory");
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return retval;
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struct timeval tv;
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struct timezone tz;
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//float s;
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gettimeofday(&tv, &tz);
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//s = tv.tv_usec; s *= 0.000001; s += tv.tv_sec;
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return tv.tv_sec * 1000000 + tv.tv_usec;
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}
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unsigned char __attribute__((aligned(4096)))arr1[ARR_SIZE],arr2[ARR_SIZE];
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int main( void )
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static inline unsigned long long int read_tsc(void)
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{
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unsigned long long int v1,v2;
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unsigned char * marr1,*marr2;
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int i;
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unsigned int t;
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unsigned long long int retval;
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__asm__ volatile ("rdtsc":"=A" (retval)::"memory");
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return retval;
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}
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unsigned char __attribute__((aligned(4096)))arr1[ARR_SIZE], arr2[ARR_SIZE];
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int main(void)
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{
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unsigned long long int v1, v2;
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unsigned char *marr1, *marr2;
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int i;
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unsigned int t;
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#ifdef CONFIG_MGA
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mga_init();
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marr1 = &frame[3];
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mga_init();
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marr1 = &frame[3];
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#else
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marr1 = &arr1[0];
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marr1 = &arr1[0];
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#endif
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marr2 = &arr2[0];
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marr2 = &arr2[0];
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for(i=0; i<ARR_SIZE-16; i++) marr1[i] = marr2[i] = i;
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for (i = 0; i < ARR_SIZE - 16; i++)
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marr1[i] = marr2[i] = i;
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t=GetTimer();
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v1 = read_tsc();
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for(i=0;i<100;i++) memcpy(marr1,marr2,ARR_SIZE-16);
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v2 = read_tsc();
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t=GetTimer()-t;
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// ARR_SIZE*100/(1024*1024)/(t/1000000) = ARR_SIZE*95.36743/t
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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);
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return 0;
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t = GetTimer();
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v1 = read_tsc();
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for (i = 0; i < 100; i++)
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memcpy(marr1, marr2, ARR_SIZE - 16);
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v2 = read_tsc();
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t = GetTimer() - t;
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// ARR_SIZE*100 / (1024*1024) / (t/1000000) = ARR_SIZE*95.36743 / t
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printf(NAME ": cpu clocks=%llu = %dus (%5.3ffps) %5.1fMB/s\n", v2-v1, t,
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100000000.0f/(float)t, (float)ARR_SIZE*95.36743f/(float)t);
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return 0;
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}
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