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| author | Sverker Eriksson <[email protected]> | 2013-06-19 18:34:56 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2013-06-19 18:51:06 +0200 |
| commit | 5d67cc7f4c176ea6ab4d2538443d5fe264152861 (patch) | |
| tree | 02629c584461df3b6f80d09a1de6298af4c3440c /erts/emulator/beam/erl_bestfit_alloc.c | |
| parent | f91c381afa2ebed6e37b49b4cc3f81bb9ca9e3eb (diff) | |
| download | otp-5d67cc7f4c176ea6ab4d2538443d5fe264152861.tar.gz otp-5d67cc7f4c176ea6ab4d2538443d5fe264152861.tar.bz2 otp-5d67cc7f4c176ea6ab4d2538443d5fe264152861.zip | |
erts: Add new allocator strategy aoffcbf
with better performance than aoffcaobf as we don't have to rearrange
the search tree when there are blocks of equal size.
Diffstat (limited to 'erts/emulator/beam/erl_bestfit_alloc.c')
| -rw-r--r-- | erts/emulator/beam/erl_bestfit_alloc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_bestfit_alloc.c b/erts/emulator/beam/erl_bestfit_alloc.c index 58e53c3d00..41f449bb28 100644 --- a/erts/emulator/beam/erl_bestfit_alloc.c +++ b/erts/emulator/beam/erl_bestfit_alloc.c @@ -966,15 +966,17 @@ UWord erts_bfalc_test(UWord op, UWord a1, UWord a2) { switch (op) { - case 0x200: return (UWord) ((BFAllctr_t *) a1)->address_order; + case 0x200: return (UWord) ((BFAllctr_t *) a1)->address_order; /* IS_AOBF */ case 0x201: return (UWord) ((BFAllctr_t *) a1)->mbc_root; case 0x202: return (UWord) ((RBTree_t *) a1)->parent; case 0x203: return (UWord) ((RBTree_t *) a1)->left; case 0x204: return (UWord) ((RBTree_t *) a1)->right; - case 0x205: return (UWord) ((RBTreeList_t *) a1)->next; + case 0x205: return (UWord) LIST_NEXT(a1); case 0x206: return (UWord) IS_BLACK((RBTree_t *) a1); case 0x207: return (UWord) IS_TREE_NODE((RBTree_t *) a1); case 0x208: return (UWord) 1; /* IS_BF_ALGO */ + case 0x20a: return (UWord) !((BFAllctr_t *) a1)->address_order; /* IS_BF */ + case 0x20b: return (UWord) LIST_PREV(a1); default: ASSERT(0); return ~((UWord) 0); } } |