Re: What CPU extensions can we assume are available by arch?

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On Wed, Apr 22, 2020 at 10:19:47AM -0500, Richard Shaw wrote:
> On Wed, Apr 22, 2020 at 10:13 AM Michael Cronenworth <mike@xxxxxxxxxx>
> wrote:
> 
> > On 4/22/20 9:51 AM, Richard Shaw wrote:
> > > So it seems what's really needed is a method to support software with
> > > optimizations above the baseline without leaving other people behind.
> >
> > There are varying software that do this. Glibc is one. FFmpeg is another.
> > There's
> > also a library that could return supported features, but I'm not sure if
> > this will
> > work for your use-case.
> >
> 
> I'm not sure all upstream have the manpower or knowledge to do it
> dynamically, plus in the case of LPCNet, it's required as it's the whole
> point of the project.

Surely there must be something which decides whether or not to use
LPCNet?  It sounds like this pushes the decision / fallback path to
some other component.

Rich.

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