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| author | Tavian Barnes <tavianator@gmail.com> | 2010-03-05 11:00:47 -0500 |
|---|---|---|
| committer | Tavian Barnes <tavianator@gmail.com> | 2010-03-05 11:00:47 -0500 |
| commit | 0c717a13ccfdc8148337ccf5634720e1b77728e5 (patch) | |
| tree | da45ed52af4b71cb75fb482c84c92c0230d4995e | |
| parent | 90e281d80fca2f15bc49e354a1e19f6baecffb15 (diff) | |
| download | libsandglass-0c717a13ccfdc8148337ccf5634720e1b77728e5.tar.xz | |
Try harder to warm up the cache in sandglass_bench_*().
Populating branch-prediction tables etc. may take more than one go-round.
| -rw-r--r-- | src/sandglass.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/sandglass.h b/src/sandglass.h index 9e37578..b17d2a2 100644 --- a/src/sandglass.h +++ b/src/sandglass.h @@ -123,6 +123,8 @@ int sandglass_elapse(sandglass_t *sandglass); /* Warm up the cache for these functions */ \ sandglass_begin(sandglass); \ sandglass_elapse(sandglass); \ + sandglass_begin(sandglass); \ + sandglass_elapse(sandglass); \ \ /* Time an empty loop for our baseline */ \ sandglass_begin(sandglass); \ @@ -136,6 +138,7 @@ int sandglass_elapse(sandglass_t *sandglass); \ /* Warm up the cache for our routine */ \ routine; \ + routine; \ \ /* Time our routine in a loop */ \ sandglass_begin(sandglass); \ @@ -159,6 +162,8 @@ int sandglass_elapse(sandglass_t *sandglass); /* Warm up the cache for these functions */ \ sandglass_begin(sandglass); \ sandglass_elapse(sandglass); \ + sandglass_begin(sandglass); \ + sandglass_elapse(sandglass); \ \ /* Time an empty routine for our baseline */ \ sandglass_begin(sandglass); \ @@ -167,6 +172,7 @@ int sandglass_elapse(sandglass_t *sandglass); \ /* Warm up the cache for our routine */ \ routine; \ + routine; \ \ /* Time the routine */ \ sandglass_begin(sandglass); \ @@ -183,6 +189,8 @@ int sandglass_elapse(sandglass_t *sandglass); /* Warm up the cache for these functions */ \ sandglass_begin(sandglass); \ sandglass_elapse(sandglass); \ + sandglass_begin(sandglass); \ + sandglass_elapse(sandglass); \ \ /* Time an empty loop for our baseline */ \ sandglass_begin(sandglass); \ |