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| author | Lukas Larsson <[email protected]> | 2014-10-22 17:15:31 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2016-02-02 10:45:21 +0100 |
| commit | d76ee58c07f32dfc0652844ec2b513af2105ffa1 (patch) | |
| tree | ac6d50ec60414c7433508196410b22216493209d /erts/emulator/beam/erl_alloc.c | |
| parent | 1a6ec7c7eb20bb2b8300e7e59196c49ca63775b0 (diff) | |
| download | otp-d76ee58c07f32dfc0652844ec2b513af2105ffa1.tar.gz otp-d76ee58c07f32dfc0652844ec2b513af2105ffa1.tar.bz2 otp-d76ee58c07f32dfc0652844ec2b513af2105ffa1.zip | |
erts: Add ERTS_WRITE_UNLIKELY
ERTS_WRITE_UNLIKELY can be used to place global variables in
a specific section where only data that is very rarely modified
sits. This is used to improve cache locality.
Diffstat (limited to 'erts/emulator/beam/erl_alloc.c')
| -rw-r--r-- | erts/emulator/beam/erl_alloc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 5544712e8d..51b522c9e0 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -103,9 +103,9 @@ static Uint install_debug_functions(void); static int lock_all_physical_memory = 0; -ErtsAllocatorFunctions_t erts_allctrs[ERTS_ALC_A_MAX+1]; +ErtsAllocatorFunctions_t ERTS_WRITE_UNLIKELY(erts_allctrs[ERTS_ALC_A_MAX+1]); ErtsAllocatorInfo_t erts_allctrs_info[ERTS_ALC_A_MAX+1]; -ErtsAllocatorThrSpec_t erts_allctr_thr_spec[ERTS_ALC_A_MAX+1]; +ErtsAllocatorThrSpec_t ERTS_WRITE_UNLIKELY(erts_allctr_thr_spec[ERTS_ALC_A_MAX+1]); #define ERTS_MIN(A, B) ((A) < (B) ? (A) : (B)) #define ERTS_MAX(A, B) ((A) > (B) ? (A) : (B)) |