x86-64 GCC CPU target options

[Sam Rawlins]

Hi Cameron,

If you are interested, while you are waiting for a response, it is very
easy to run the
gmpbench<ftp://ftp.gmplib.org/pub/misc/gmpbench-0.2.tar.bz2>benchmarks.


On Sun, Jun 2, 2013 at 1:31 AM, Cameron Gutman <aicommander at gmail.com>wrote:

> I noticed that GMP 5.1.2 doesn't use the newer GCC -march and -mtune
> targets for Sandy Bridge (corei7-avx) and Haswell (core-avx2). Is this
> because configure.ac just hasn't been updated or is there another reason?
>
> Also, would it be worth splitting Ivy Bridge out of the coreisbr group so
> we can use the core-avx-i GCC target?
>
> I've tested a modified configure.ac that uses corei7-avx on an Ivy Bridge
> system (recognized as coreisbr). It passes all the tests in make check. I
> haven't done any major performance tests yet though.
>
> Thanks,
> Cameron
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-- 
Sam Rawlins