[Mesa-dev] [RFC] ralloc: use jemalloc for faster GLSL compilation
eric at anholt.net
Thu Oct 6 20:44:33 UTC 2016
Marek Olšák <maraeo at gmail.com> writes:
> I'd like to have more feedback on the idea of using jemalloc for ralloc.
> Right now, I see these options:
> 1) Use jemalloc for ralloc and make it mandatory for all GL drivers.
> - Distributions have shown that they are capable of doing anything
> with the Mesa source code, so they don't need --disable-jemalloc.
> - Reasonable people should build Mesa as-is.
> 2) Abandon the idea.
> - The availability of --disable-jemalloc would send a clear message
> that "you don't have to enable this", therefore the whole idea of
> using jemalloc in Mesa would be pointless.
I'm generally of the opinion that if malloc is taking 10% of compile
time, we're screwing up and we should just go fix that. However, this
is an easy fix and doesn't prevent going and fixing malloc abuse later.
I also don't like configure options -- they're mostly a chance to build
I'm concerned that by shared linking against jemalloc we're going to run
into similar problems to every other time we shared link against things
and it's going to make our lives harder. This is probably "we should
figure out how to stop shared linking against anything" rather than "we
shouldn't make this change", though.
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