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| author | Jason Evans <jasone@canonware.com> | 2014-09-11 16:20:44 -0700 |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2014-09-11 17:01:58 -0700 |
| commit | 9c640bfdd4e2f25180a32ed3704ce8e4c4cc21f1 (patch) | |
| tree | ce8b8deb1f978bff03556ffc3c7912677c72e30a /include/jemalloc/internal/prof.h | |
| parent | 91566fc079cfaeaf2b424b7f40d6b9d8669d0470 (diff) | |
| download | jemalloc-9c640bfdd4e2f25180a32ed3704ce8e4c4cc21f1.tar.gz | |
Apply likely()/unlikely() to allocation/deallocation fast paths.
Diffstat (limited to 'include/jemalloc/internal/prof.h')
| -rw-r--r-- | include/jemalloc/internal/prof.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/jemalloc/internal/prof.h b/include/jemalloc/internal/prof.h index 920ec63..a1e7ac5 100644 --- a/include/jemalloc/internal/prof.h +++ b/include/jemalloc/internal/prof.h @@ -400,7 +400,8 @@ prof_alloc_prep(size_t usize, bool update) assert(usize == s2u(usize)); - if (!opt_prof_active || prof_sample_accum_update(usize, update, &tdata)) + if (!opt_prof_active || likely(prof_sample_accum_update(usize, update, + &tdata))) ret = (prof_tctx_t *)(uintptr_t)1U; else { bt_init(&bt, tdata->vec); @@ -419,7 +420,7 @@ prof_malloc(const void *ptr, size_t usize, prof_tctx_t *tctx) assert(ptr != NULL); assert(usize == isalloc(ptr, true)); - if ((uintptr_t)tctx > (uintptr_t)1U) + if (unlikely((uintptr_t)tctx > (uintptr_t)1U)) prof_malloc_sample_object(ptr, usize, tctx); else prof_tctx_set(ptr, (prof_tctx_t *)(uintptr_t)1U); @@ -447,9 +448,9 @@ prof_realloc(const void *ptr, size_t usize, prof_tctx_t *tctx, bool updated, } } - if ((uintptr_t)old_tctx > (uintptr_t)1U) + if (unlikely((uintptr_t)old_tctx > (uintptr_t)1U)) prof_free_sampled_object(old_usize, old_tctx); - if ((uintptr_t)tctx > (uintptr_t)1U) + if (unlikely((uintptr_t)tctx > (uintptr_t)1U)) prof_malloc_sample_object(ptr, usize, tctx); else prof_tctx_set(ptr, (prof_tctx_t *)(uintptr_t)1U); @@ -463,7 +464,7 @@ prof_free(const void *ptr, size_t usize) cassert(config_prof); assert(usize == isalloc(ptr, true)); - if ((uintptr_t)tctx > (uintptr_t)1U) + if (unlikely((uintptr_t)tctx > (uintptr_t)1U)) prof_free_sampled_object(usize, tctx); } #endif |