jemalloc 3 performance vs. mozjemalloc

Bradley C. Kuszmaul bradley at
Mon Feb 9 22:12:58 PST 2015

On Tue, Feb 10, 2015 at 1:00 AM, Mike Hommey <mh at> wrote:
> ... except I'm talking about arm and arm has very different performance
> properties.
>  I'd be interested in hearing what happens on ARM (I was responding to
Don's statement that x86 lock prefixes are very expensive.  I wouldn't
characterize them that way.).  Attached is a program I wrote that measures
it.  It may require some changes to run on ARM (for example, the
__mm_pause() primitive seems to be intel-specific rather than gcc-specific)

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