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Re: Compiling with and without -march=native: benchmarks

From: Corrado
Subject: Re: Compiling with and without -march=native: benchmarks
Date: Mon, 21 Sep 2009 10:29:37 +0100
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On Monday 21 September 2009 10:21:46 Jaroslav Hajek wrote:
> benefits. Did you include -march=native in FFLAGS?


> It's not that hard, but regarding the BLAS, it makes little sense to
> do so with the reference BLAS implementation. A tuned implementation
> such as ATLAS or some of the non-free ones will bring you much better
> speed.

yes, I have atlas. I try not to use non free (as in speech) software. So these 
are benchmarks carried out with purely free software / open source software.

Corrado Topi

Global Climate Change & Biodiversity Indicators
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