[flac-dev] x86_64 SSE2/SSE41 optim not used

Olivier Tristan o.tristan at uvi.net
Sun Mar 16 10:42:42 PDT 2014

oki doki

Flac decoding is already really fast indeed but as I'm streaming hundreds
of FLAC file from the HD in realtime,
I wouldn't mind some speed up if available :)

On Wed, Mar 12, 2014 at 5:40 PM, lvqcl <lvqcl.mail at gmail.com> wrote:

> Olivier Tristan wrote:
> > In stream_decoder.c when assigning lpc restore function,
> > only  IA32 processor benefits from SS2 and SSE4.1 optimization.
> >
> > Shouldn't it be the case for x86_64 processor as well ?
> I tried, and it didn't make decoding faster. (And even SSE4.1 for IA-32
> is... questionable)
> OTOH, flac decoding is really very fast. It's very hard to make it even
> faster.
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