Re: [Gnumex-users] SSE4.2 optimization

[Richard C. <r.c...@ed...>]

do you mean you tried -msse4.2 or really -sse4.2, I think the right gcc 
flag is -msse4.2.

Richard

On 01/05/15 21:43, Sam Bucket wrote:
> Hi,
>
> Is there a way to enable sse4.2 vectorization while compiling a mex with
> gcc? I tried the option -O3 -mtune=native (my machine is i7 with sse4.2
> support). The code is compiled and executes but is extremely slow.
> Compiling with MSVC2010 compiler I get the optimization working. I tried
> to manually edit mexopts.bat to add a -sse4.2 flag but it did not work.
>
> Thanks,
> Seb
>
>
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