| commit | c2dc3715de81b3d3e077ae0431c12622e4edc02d | |
| author | Qi Wang <qiwang@fb.com> | |
| Sun, 17 Dec 2017 04:41:42 +0000 (16 20:41 -0800) | ||
| committer | Hhvm Bot <hhvm-bot@users.noreply.github.com> | |
| Sun, 17 Dec 2017 05:01:28 +0000 (16 21:01 -0800) | ||
| tree | f8434325b21d0e65d7299dfe36ed5f173ac11158 | treesnapshot (tar.gz zip) |
| parent | 090ebdb345c77fcef0d5e092e0a3773ba398e80f | commitdiff |
Use 1G pages for jemalloc metadata.
Summary:
jemalloc now allows customized extent hooks on arena 0, which enables
us to use 1G huge pages for a0's metadata (which contains data accessed on
jemalloc fast path). This reduces TLB misses.
Reviewed By: binliu19
Differential Revision: D6138707
fbshipit-source-id: c0424d39dfd7f7c69cc648f8d4a225867f3c194a
Summary:
jemalloc now allows customized extent hooks on arena 0, which enables
us to use 1G huge pages for a0's metadata (which contains data accessed on
jemalloc fast path). This reduces TLB misses.
Reviewed By: binliu19
Differential Revision: D6138707
fbshipit-source-id: c0424d39dfd7f7c69cc648f8d4a225867f3c194a
| hphp/runtime/base/program-functions.cpp | diffblobblamehistory | |
| hphp/runtime/base/runtime-option.h | diffblobblamehistory | |
| hphp/util/alloc.cpp | diffblobblamehistory | |
| hphp/util/alloc.h | diffblobblamehistory |