lihao/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-07-23 13:13:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Create a const array with only a small bin to size map

Browse Source
This commit is contained in:
Ben Maurer
2014-04-16 14:31:24 -07:00
parent 6c39f9e059
commit 021136ce4d
5 changed files with 17 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/arena.c
View File

@@ -7,6 +7,14 @@
ssize_t opt_lg_dirty_mult = LG_DIRTY_MULT_DEFAULT;
arena_bin_info_t arena_bin_info[NBINS];
JEMALLOC_ALIGNED(CACHELINE)
const uint32_t small_bin2size[NBINS] = {
#define SIZE_CLASS(bin, delta, size) \
size,
SIZE_CLASSES
#undef SIZE_CLASS
};
JEMALLOC_ALIGNED(CACHELINE)
const uint8_t small_size2bin[] = {
#define S2B_8(i) i,
@@ -1615,7 +1623,7 @@ arena_malloc_small(arena_t *arena, size_t size, bool zero)
binind = SMALL_SIZE2BIN(size);
assert(binind < NBINS);
bin = &arena->bins[binind];
size = arena_bin_info[binind].reg_size;
size = small_bin2size[binind];
malloc_mutex_lock(&bin->lock);
if ((run = bin->runcur) != NULL && run->nfree > 0)