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| author | Jason Evans <jasone@canonware.com> | 2009-12-29 08:09:15 (GMT) |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2009-12-29 08:09:15 (GMT) |
| commit | 84cbbcb90af44807361198baed4e74ab77715ff7 (patch) | |
| tree | fa45a3486105dc359e3f5b1905e92a1af77a6c9f /jemalloc/INSTALL | |
| parent | b2378168a485b9b0f5249d904382c4b018e34308 (diff) | |
| download | jemalloc-84cbbcb90af44807361198baed4e74ab77715ff7.zip jemalloc-84cbbcb90af44807361198baed4e74ab77715ff7.tar.gz jemalloc-84cbbcb90af44807361198baed4e74ab77715ff7.tar.bz2 | |
Convert thread-specific caching from magazines, and implement incremental GC.
Add the 'G'/'g' and 'H'/'h' MALLOC_OPTIONS flags.
Add the malloc_tcache_flush() function.
Disable thread-specific caching until the application goes multi-threaded.
Diffstat (limited to 'jemalloc/INSTALL')
| -rw-r--r-- | jemalloc/INSTALL | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/jemalloc/INSTALL b/jemalloc/INSTALL index a7841f5..6812422 100644 --- a/jemalloc/INSTALL +++ b/jemalloc/INSTALL @@ -46,10 +46,10 @@ any of the following arguments (not a definitive list) to 'configure': practice it never causes any problems if, for example, 4-byte allocations are 4-byte-aligned. ---disable-mag - Disable thread-specific caches for sub-page-sized objects. Objects are - cached and released in bulk using "magazines" -- a term coined by the - developers of Solaris's umem allocator. +--disable-tcache + Disable thread-specific caches for small and medium objects. Objects are + cached and released in bulk, thus reducing the total number of mutex + operations. Use the 'H' and 'G' options to control thread-specific caching. --enable-dss Enable support for page allocation/deallocation via sbrk(2), in addition to @@ -82,7 +82,7 @@ any of the following arguments (not a definitive list) to 'configure': switches from single-threaded to multi-threaded mode, so that it can avoid mutex locking/unlocking operations while in single-threaded mode. In practice, this feature usually has little impact on performance unless - magazines are disabled. + thread-specific caching is disabled. The following environment variables (not a definitive list) impact configure's behavior: |