[Mplayer-cvslog] CVS: main/TOOLS fastmemcpybench.c,1.1,1.2

GEREOFFY arpi_esp at users.sourceforge.net
Sun Apr 22 05:40:47 CEST 2001


Update of /cvsroot/mplayer/main/TOOLS
In directory usw-pr-cvs1:/tmp/cvs-serv28126

Modified Files:
	fastmemcpybench.c 
Log Message:
added mga_vid support (systemram->videoram tests)

Index: fastmemcpybench.c
===================================================================
RCS file: /cvsroot/mplayer/main/TOOLS/fastmemcpybench.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -r1.1 -r1.2
*** fastmemcpybench.c	2001/04/21 18:19:12	1.1
--- fastmemcpybench.c	2001/04/22 03:40:45	1.2
***************
*** 9,18 ****
  
  #include <stdio.h>
  
  #include "../libvo/fastmemcpy.h"
  
! #define ARR_SIZE 100000
! //#define ARR_SIZE 1000000
  
  static inline unsigned long long int read_tsc( void )
  {
--- 9,92 ----
  
  #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 "../libvo/fastmemcpy.h"
  
! //#define ARR_SIZE 100000
! #define ARR_SIZE (1024*768*2)
  
+ 
+ #ifdef HAVE_MGA
+ 
+ #include "../drivers/mga_vid.h"
+ 
+ static int mga_next_frame=0;
+ 
+ static mga_vid_config_t mga_vid_config;
+ static unsigned char* frame=NULL;
+ static int f;
+ 
+ static int mga_init(){
+ 	char *frame_mem;
+ 
+ 	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
+ unsigned int GetTimer(){
+   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 )
  {
***************
*** 28,37 ****
    unsigned long long int v1,v2;
    unsigned char * marr1,*marr2;
!   marr1 = &arr1[1];
!   marr2 = &arr2[3];
    v1 = read_tsc();
!   memcpy(marr1,marr2,ARR_SIZE-4);
    v2 = read_tsc();
!   printf("v1 = %llu v2 = %llu v2-v1=%llu\n",v1,v2,v2-v1);
    return 0;
  }
--- 102,121 ----
    unsigned long long int v1,v2;
    unsigned char * marr1,*marr2;
!   int i;
!   unsigned int t;
! #ifdef HAVE_MGA
!   mga_init();
!   marr1 = &frame[3];
! #else
!   marr1 = &arr1[3];
! #endif
!   marr2 = &arr2[9];
!   t=GetTimer();
    v1 = read_tsc();
!   for(i=0;i<100;i++) memcpy(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": v2-v1=%llu = %dus  (%5.3ffps)  %5.1fMB/s\n",v2-v1,t,100000000.0f/(float)t,(float)ARR_SIZE*95.36743f/(float)t);
    return 0;
  }


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