project-base/server-skynet-source-3rd-jemalloc
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Apply likely()/unlikely() to allocation/deallocation fast paths.

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This commit is contained in:
Jason Evans
2014-09-11 16:20:44 -07:00
parent 91566fc079
commit 9c640bfdd4
8 changed files with 138 additions and 129 deletions
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11
include/jemalloc/internal/prof.h
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@@ -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