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Jason Evans 6e62984ef6 Don't junk-fill reallocations unless usize changes. 
Don't junk fill reallocations for which the request size is less than
the current usable size, but not enough smaller to cause a size class
change.  Unlike malloc()/calloc()/realloc(), *allocx() contractually
treats the full usize as the allocation, so a caller can ask for zeroed
memory via mallocx() and a series of rallocx() calls that all specify
MALLOCX_ZERO, and be assured that all newly allocated bytes will be
zeroed and made available to the application without danger of allocator
mutation until the size class decreases enough to cause usize reduction.
2013-12-15 21:57:09 -08:00
bin Few configure.ac adjustments 2012-04-30 17:13:45 -07:00
doc Implement the *allocx() API. 2013-12-12 22:35:52 -08:00
include Don't junk-fill reallocations unless usize changes. 2013-12-15 21:57:09 -08:00
src Don't junk-fill reallocations unless usize changes. 2013-12-15 21:57:09 -08:00
test Add zero/align tests for rallocx(). 2013-12-15 15:54:18 -08:00
.gitignore Integrate SFMT 1.3.3 into test infrastructure. 2013-12-09 13:21:08 -08:00
autogen.sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
ChangeLog Disable floating point code/linking when possible. 2013-12-05 23:01:50 -08:00
config.guess Update autoconf support files. 2013-10-28 12:44:16 -07:00
config.stamp.in Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
config.sub Update autoconf support files. 2013-10-28 12:44:16 -07:00
configure.ac Implement the *allocx() API. 2013-12-12 22:35:52 -08:00
COPYING Updated ChangeLog for 3.3.0. 2013-01-22 22:45:09 -08:00
coverage.sh Add test code coverage analysis. 2013-12-06 18:50:51 -08:00
INSTALL Add test code coverage analysis. 2013-12-06 18:50:51 -08:00
install-sh Move repo contents in jemalloc/ to top level. 2011-03-31 20:36:17 -07:00
Makefile.in Implement the *allocx() API. 2013-12-12 22:35:52 -08:00
README Update README. 2013-10-20 19:38:19 -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, Valgrind integration, 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://www.canonware.com/jemalloc/