| commit | d12c855358bc16f0622e7cdaf327b80653fdf745 | |
| author | Daniel Andersson <koda@fb.com> | |
| Thu, 28 Apr 2016 03:27:29 +0000 (27 20:27 -0700) | ||
| committer | Hhvm Bot <hhvm-bot-bot@fb.com> | |
| Thu, 28 Apr 2016 03:31:06 +0000 (27 20:31 -0700) | ||
| tree | 396c1a9b5b85fbe2f6cb137918dae7a97a5e5e25 | treesnapshot (tar.gz zip) |
| parent | c80973dd155486e36286d93a5e8dcc4d778123ad | commitdiff |
Pad APC map entry to 64 bytes
Summary: Reduce cache misses and false sharing (the node header contains TBB's mutex). The extra space will soon be used to store a short/compressed key.
Reviewed By: edwinsmith
Differential Revision: D3224710
fb-gh-sync-id: 88cd80fd91cd603b737e7cb1048a7ec9dd6f04ac
fbshipit-source-id: 88cd80fd91cd603b737e7cb1048a7ec9dd6f04ac
Summary: Reduce cache misses and false sharing (the node header contains TBB's mutex). The extra space will soon be used to store a short/compressed key.
Reviewed By: edwinsmith
Differential Revision: D3224710
fb-gh-sync-id: 88cd80fd91cd603b737e7cb1048a7ec9dd6f04ac
fbshipit-source-id: 88cd80fd91cd603b737e7cb1048a7ec9dd6f04ac
| hphp/runtime/base/concurrent-shared-store.h | diffblobblamehistory |