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Re: 2 questions about MXE

From: Michael Goffioul
Subject: Re: 2 questions about MXE
Date: Tue, 25 Jun 2013 10:58:23 -0400
On Tue, Jun 25, 2013 at 10:54 AM, Matteo Frigo <address@hidden> wrote:
FFTW implements runtime detection of sse2 and avx.  You can produce a combined sse2/avx binary that will run anywhere, including pre-sse machines.  The windows binaries on fftw.org have this property.

Does that mean that if FFTW is configured with --enable-sse2 (or --enable-avx), SSE2(AVX) support will be compiled in but only used at runtime if the CPU supports it?

Michael.

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