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

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Richard Shaw wrote:
> It's funny we just had this conversation yesterday, I woke up to a pull
> request to add SSE support.
> 
> https://github.com/drowe67/LPCNet/pull/25

Unfortunately, that requires SSE4.1, which is still too much to assume.

Looking at the comments, the author actually tried SSE2, but it was too slow 
for real-time operation on his machines. Though really fast CPUs (such as 
your Ryzen 5 2600) can actually even run the unoptimized C in real time, but 
those are normally modern ones that also support the AVX and even AVX2 
optimizations (yours does), so it does not help us that much either.

        Kevin Kofler
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