| commit | 9c5c0436c63f7a7e2494e8775f44b85f5807b122 | |
| author | Edwin Smith <smith@fb.com> | |
| Tue, 12 Jul 2016 14:08:31 +0000 (12 07:08 -0700) | ||
| committer | Hhvm Bot <hhvm-bot-bot@fb.com> | |
| Tue, 12 Jul 2016 14:15:59 +0000 (12 07:15 -0700) | ||
| tree | 996381ace4a8bc4e40332cc4068321b3141dadd0 | treesnapshot (tar.gz zip) |
| parent | 60fcbf9a0f4a0fbafab0c641cbde280c32bd75cf | commitdiff |
Only init the dirty head items of freelists
Summary:
If we take care to initialize items eagerly placed on the freelists,
then we can optimize initFree() by terminating the freelist traversal
when we find the first block that is already kind Free or Hole.
Reviewed By: kodafb
Differential Revision: D3488478
fbshipit-source-id: b158ecf809735f1b04f676a5a1478dc52f6e8c6e
Summary:
If we take care to initialize items eagerly placed on the freelists,
then we can optimize initFree() by terminating the freelist traversal
when we find the first block that is already kind Free or Hole.
Reviewed By: kodafb
Differential Revision: D3488478
fbshipit-source-id: b158ecf809735f1b04f676a5a1478dc52f6e8c6e
| hphp/runtime/base/memory-manager-inl.h | diffblobblamehistory | |
| hphp/runtime/base/memory-manager.cpp | diffblobblamehistory | |
| hphp/runtime/base/memory-manager.h | diffblobblamehistory |