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Jason Evans b2c31660be Extract profiling code from [re]allocation functions. 
Extract profiling code from malloc(), imemalign(), calloc(), realloc(),
mallocx(), rallocx(), and xallocx().  This slightly reduces the amount
of code compiled into the fast paths, but the primary benefit is the
combinatorial complexity reduction.

Simplify iralloc[t]() by creating a separate ixalloc() that handles the
no-move cases.

Further simplify [mrxn]allocx() (and by implication [mrn]allocm()) to
make request size overflows due to size class and/or alignment
constraints trigger undefined behavior (detected by debug-only
assertions).

Report ENOMEM rather than EINVAL if an OOM occurs during heap profiling
backtrace creation in imemalign().  This bug impacted posix_memalign()
and aligned_alloc().
2014-01-12 15:41:05 -08:00
bin Few configure.ac adjustments 2012-04-30 17:13:45 -07:00
doc Extract profiling code from [re]allocation functions. 2014-01-12 15:41:05 -08:00
include Extract profiling code from [re]allocation functions. 2014-01-12 15:41:05 -08:00
src Extract profiling code from [re]allocation functions. 2014-01-12 15:41:05 -08:00
test Extract profiling code from [re]allocation functions. 2014-01-12 15:41:05 -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 Add junk/zero filling unit tests, and fix discovered bugs. 2014-01-07 16:54:17 -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/