[MPlayer-cvslog] r28904 - trunk/TOOLS/fastmemcpybench.c
diego
subversion at mplayerhq.hu
Mon Mar 9 12:32:44 CET 2009
Author: diego
Date: Mon Mar 9 12:32:43 2009
New Revision: 28904
Log:
comment/output cosmetics
Modified:
trunk/TOOLS/fastmemcpybench.c
Modified: trunk/TOOLS/fastmemcpybench.c
==============================================================================
--- trunk/TOOLS/fastmemcpybench.c Mon Mar 9 12:28:31 2009 (r28903)
+++ trunk/TOOLS/fastmemcpybench.c Mon Mar 9 12:32:43 2009 (r28904)
@@ -1,10 +1,10 @@
/*
- fastmemcpybench.c used to benchmark fastmemcpy.h code from libvo.
-
- Note: this code can not be used on PentMMX-PII because they contain
- a bug in rdtsc. For Intel processors since P6(PII) rdpmc should be used
- instead. For PIII it's disputable and seems bug was fixed but I don't
- tested it.
+ * 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.
*/
/* According to Uoti this code is broken. */
@@ -34,7 +34,7 @@ static int mga_init(void)
{
f = open("/dev/mga_vid", O_RDWR);
if (f == -1) {
- fprintf(stderr, "Couldn't open /dev/mga_vid\n");
+ fprintf(stderr, "Couldn't open /dev/mga_vid.\n");
return -1;
}
@@ -61,7 +61,7 @@ static int mga_init(void)
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");
+ printf("Can't mmap MGA frame.\n");
exit(1);
}
@@ -117,7 +117,7 @@ int main(void)
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,
+ 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);
return 0;
}
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