[flac-dev] Performance checks

[Janne Hyvärinen]

On 28.5.2013 21:06, Martijn van Beurden wrote:
> On 28-05-13 19:38, Miroslav Lichvar wrote:
>> I'm always interested in performance tests :).
> In that case I hope you saw the previous one, because the decoding
> speed-up was credited to be one of your patches, according to some
> people over at HydrogenAudio:
> http://lists.xiph.org/pipermail/flac-dev/2013-March/003856.html
>
> Really, great stuff ;)
>
>> I think if you are setting CFLAGS you need to include also the
>> optimizations flags, e.g. "-m32 -O3 -funroll-loops" to match the
>> default CFLAGS.
> Oh, I thought I was appending flags. Anyway, thanks, that solved the
> problem. I didn't know compiler flags could make such an enormous
> difference. It will take me a few hours to rerun the test however.
>
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On Windows the 32-bit NASM enabled compiles are always fastest. If you 
can run 32-bit code on your Linux box you should compile with assembly 
optimizations.