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Qi Wang ba0e35411c Rework the bin locking around tcache refill / flush. 
Previously, tcache fill/flush (as well as small alloc/dalloc on the arena) may
potentially drop the bin lock for slab_alloc and slab_dalloc.  This commit
refactors the logic so that the slab calls happen in the same function / level
as the bin lock / unlock.  The main purpose is to be able to use flat combining
without having to keep track of stack state.

In the meantime, this change reduces the locking, especially for slab_dalloc
calls, where nothing happens after the call.
2020-02-13 23:31:54 -08:00
bin Fix typo derived from tcmalloc's pprof 2019-04-23 15:29:57 -07:00
build-aux Update config.{guess,sub} from upstream. 2016-11-10 15:08:32 -08:00
doc Implement opt.stats_interval and the _opts options. 2020-01-29 09:57:55 -08:00
include Rework the bin locking around tcache refill / flush. 2020-02-13 23:31:54 -08:00
m4 Support C++17 over-aligned allocation 2019-11-22 10:14:16 -08:00
msvc Add inspect.c to MSVC filters 2020-02-05 10:01:49 -08:00
scripts Add --with-lg-page=16 to CI. 2019-09-22 18:51:03 -07:00
src Rework the bin locking around tcache refill / flush. 2020-02-13 23:31:54 -08:00
test Encapsulate buffer allocation in buffered writer 2020-02-04 13:21:58 -08:00
.appveyor.yml Reorder the configs for AppVeyor. 2019-07-14 23:06:24 -07:00
.autom4te.cfg Disable autom4te cache. 2014-09-02 17:49:29 -07:00
.cirrus.yml Test on all supported release of FreeBSD 2019-12-02 13:18:12 -08:00
.gitattributes fix git handling of newlines on windows 2014-05-07 18:48:39 -04:00
.gitignore Kill size_classes.sh. 2018-07-12 20:53:06 -07:00
.travis.yml Add --with-lg-page=16 to CI. 2019-09-22 18:51:03 -07:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Update Changelog for 5.2.1. 2019-08-05 12:52:43 -07:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
configure.ac Disable some spuriously-triggering warnings 2019-12-04 13:45:17 -08:00
COPYING Update copyright dates. 2019-01-25 13:25:20 -08:00
INSTALL.md Update INSTALL.md about the default doc build. 2019-08-16 10:03:34 -07:00
jemalloc.pc.in Reformat the version number in jemalloc.pc.in. 2018-05-07 20:12:03 -07:00
Makefile.in Implement opt.stats_interval and the _opts options. 2020-01-29 09:57:55 -08:00
README Update project URL. 2016-09-12 11:56:24 -07:00
run_tests.sh Introduce scripts to run all possible tests 2017-01-30 17:51:57 -08:00
TUNING.md Add TUNING.md. 2018-05-03 12:52:52 -07:00

README 

jemalloc is a general purpose malloc(3) implementation that emphasizes
fragmentation avoidance and scalable concurrency support.  jemalloc first came
into use as the FreeBSD libc allocator in 2005, and since then it has found its
way into numerous applications that rely on its predictable behavior.  In 2010
jemalloc development efforts broadened to include developer support features
such as heap profiling and extensive monitoring/tuning hooks.  Modern jemalloc
releases continue to be integrated back into FreeBSD, and therefore versatility
remains critical.  Ongoing development efforts trend toward making jemalloc
among the best allocators for a broad range of demanding applications, and
eliminating/mitigating weaknesses that have practical repercussions for real
world applications.

The COPYING file contains copyright and licensing information.

The INSTALL file contains information on how to configure, build, and install
jemalloc.

The ChangeLog file contains a brief summary of changes for each release.

URL: http://jemalloc.net/