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| author | Rickard Green <[email protected]> | 2009-12-13 19:13:58 +0000 |
|---|---|---|
| committer | Erlang/OTP <[email protected]> | 2009-12-13 19:13:58 +0000 |
| commit | 0a498068ecdb871211bc1c69d9c020b3bc9310c6 (patch) | |
| tree | a7bc53395fd33a673f113f8d2e654aaa63c2d83b /erts/emulator | |
| parent | 4c67dcccfc6f03f7e19f934751f8274ed3b9cccc (diff) | |
| download | otp-0a498068ecdb871211bc1c69d9c020b3bc9310c6.tar.gz otp-0a498068ecdb871211bc1c69d9c020b3bc9310c6.tar.bz2 otp-0a498068ecdb871211bc1c69d9c020b3bc9310c6.zip | |
OTP-8341 Minor alignment adjustments of scheduler specific data.
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 2 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.h | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 9960172366..a4afe0574f 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -219,7 +219,7 @@ ErtsSchedulerData *erts_scheduler_data; ErtsAlignedRunQueue *erts_aligned_run_queues; Uint erts_no_run_queues; -typedef struct { +typedef union { ErtsSchedulerData esd; char align[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(ErtsSchedulerData))]; } ErtsAlignedSchedulerData; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 7bae1e4efc..7597eb5e31 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -339,9 +339,14 @@ do { \ struct ErtsSchedulerData_ { #ifdef ERTS_SMP - ethr_tid tid; /* Thread id */ + /* + * Keep X registers first (so we get as many low + * numbered registers as possible in the same cache + * line). + */ Eterm save_reg[ERTS_X_REGS_ALLOCATED]; /* X registers */ FloatDef freg[MAX_REG]; /* Floating point registers. */ + ethr_tid tid; /* Thread id */ struct erl_bits_state erl_bits_state; /* erl_bits.c state */ void *match_pseudo_process; /* erl_db_util.c:db_prog_match() */ Process *free_process; |