Re: Compiler Optimizations [was Package options dialog]

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Mon, May 07, 2018 at 08:33:54PM -0500, Jason Bacon wrote:
> By adding -mfpmath=sse -msse3.  The cpuflags command has so far given me the
> same output on every machine I've tried.  I've run a few benchmarks using
> plink and
> so far have not seen any measurable difference between -march=native and
> -mfpmath=sse -msse3 -march=native.

It can make a difference on i386, but not necessarily a positive one. It
is useless on x86_64.

Joerg