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Change benchmarking code so it returns comparable values.

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Originally committed as revision 14434 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-07-27 20:53:30 +00:00
parent b6ff078b7b
commit 51be0eb482
1 changed files with 4 additions and 7 deletions
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11
libavutil/random.c
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@ -87,15 +87,12 @@ void main(void)
AVRandomState state;
av_init_random(0xdeadbeef, &state);
for (j = 0; j < 100; j++) {
START_TIMER;
x+= av_random(&state);
STOP_TIMER("first call to av_random");
for (i = 1; i < AV_RANDOM_N; i++) {
START_TIMER;
for (j = 0; j < 10000; j++) {
START_TIMER
for (i = 0; i < 624; i++) {
x+= av_random(&state);
STOP_TIMER("AV_RANDOM_N calls of av_random");
}
STOP_TIMER("624 calls of av_random");
}
av_log(NULL, AV_LOG_ERROR, "final value:%X\n", x);
}