project-base/server-skynet-source-3rd-jemalloc
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Use regular arena allocation for huge tree nodes.

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This avoids grabbing the base mutex, as a step towards fine-grained
locking for huge allocations. The thread cache also provides a tiny
(~3%) improvement for serial huge allocations.
This commit is contained in:
Daniel Micay
2014-10-06 03:42:10 -04:00
committed by Jason Evans
parent 8bb3198f72
commit f22214a29d
5 changed files with 29 additions and 15 deletions
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2
include/jemalloc/internal/huge.h
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@@ -21,7 +21,7 @@ void *huge_ralloc(tsd_t *tsd, arena_t *arena, void *ptr, size_t oldsize,
typedef void (huge_dalloc_junk_t)(void *, size_t);
extern huge_dalloc_junk_t *huge_dalloc_junk;
#endif
void huge_dalloc(void *ptr);
void huge_dalloc(tsd_t *tsd, void *ptr);
size_t huge_salloc(const void *ptr);
prof_tctx_t *huge_prof_tctx_get(const void *ptr);
void huge_prof_tctx_set(const void *ptr, prof_tctx_t *tctx);

4
include/jemalloc/internal/jemalloc_internal.h.in
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@@ -938,7 +938,7 @@ idalloct(tsd_t *tsd, void *ptr, bool try_tcache)
if (chunk != ptr)
arena_dalloc(tsd, chunk, ptr, try_tcache);
else
huge_dalloc(ptr);
huge_dalloc(tsd, ptr);
}
JEMALLOC_ALWAYS_INLINE void
@@ -952,7 +952,7 @@ isdalloct(tsd_t *tsd, void *ptr, size_t size, bool try_tcache)
if (chunk != ptr)
arena_sdalloc(tsd, chunk, ptr, size, try_tcache);
else
huge_dalloc(ptr);
huge_dalloc(tsd, ptr);
}
JEMALLOC_ALWAYS_INLINE void