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Qi Wang 740bdd68b1 Over purge by 1 extent always.
When purging, large allocations are usually the ones that cross the npages_limit
threshold, simply because they are "large".  This means we often leave the large
extent around for a while, which has the downsides of: 1) high RSS and 2) more
chance of them getting fragmented.  Given that they are not likely to be reused
very soon (LRU), let's over purge by 1 extent (which is often large and not
reused frequently).
2017-12-18 12:57:07 -08:00
bin Filter out "void *newImpl" in prof output. 2017-08-08 12:28:29 -07:00
build-aux Update config.{guess,sub} from upstream. 2016-11-10 15:08:32 -08:00
doc Add opt.lg_extent_max_active_fit 2017-11-16 15:32:02 -08:00
include Over purge by 1 extent always. 2017-12-18 12:57:07 -08:00
m4 jemalloc cpp new/delete bindings 2016-12-12 18:36:06 -08:00
msvc Fix MSVC 2015 project and add a VS 2017 solution 2017-10-16 10:26:54 -07:00
scripts Remove a redundant '--with-malloc-conf=tcache:false' from gen_run_tests.py 2017-07-31 15:36:40 -07:00
src Over purge by 1 extent always. 2017-12-18 12:57:07 -08:00
test Skip test/unit/pack when profiling is enabled. 2017-12-18 12:47:46 -08:00
.appveyor.yml Do not build in parallel on AppVeyor. 2017-05-11 23:06:54 -07:00
.autom4te.cfg Disable autom4te cache. 2014-09-02 17:49:29 -07:00
.gitattributes fix git handling of newlines on windows 2014-05-07 18:48:39 -04:00
.gitignore Fix MSVC 2015 project and add a VS 2017 solution 2017-10-16 10:26:54 -07:00
.travis.yml Force Ubuntu "precise" for Travis CI builds. 2017-09-20 10:38:26 -07:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Fix a typo. 2017-07-02 21:05:23 -07:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
configure.ac Add configure-time detection for madvise(..., MADV_DO[NT]DUMP) 2017-10-16 15:35:49 -07:00
COPYING Update copyright dates. 2017-06-12 23:16:44 -07:00
INSTALL.md Add the --disable-thp option to support cross compiling. 2017-05-30 11:30:54 -07:00
jemalloc.pc.in Update project URL. 2016-09-12 11:56:24 -07:00
Makefile.in Remove external linkage for spin_adaptive 2017-08-08 10:30:21 -07:00
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

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/