Kevin Svetlitski 9ba1e1cb37 Make ctl_arena_clear slightly more efficient
While this function isn't particularly hot, (accounting for just 0.27% of
time spent inside the allocator on average across the fleet), looking
at the generated assembly and performance profiles does show we're dispatching
to multiple different `memset`s when we could instead be just tail-calling
`memset` once, reducing code size and marginally improving performance.
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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: https://jemalloc.net/
Description
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Readme 13 MiB
Languages
C 87.4%
Perl 6.1%
M4 3.6%
Shell 1%
Makefile 0.9%
Other 1%