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The packed simd extension isn't ratified and mostly aimed at embedded processors that need to do digital signal processing. The vector extension (rvv) is what'
by camel-cdr 3y ago
The packed simd extension isn't ratified and mostly aimed at embedded processors that need to do digital signal processing.
The vector extension (rvv) is what's important for desktop and server chips, and it is already ratified.
ffmpeg for example already has some things ported to rvv [0], and many projects are already working on support.
The problem is that there currently isn't any consumer hardware that supports the ratified vector extension. Sipeed announced [1] that they are working on a RVA22+V soc based on the C908 chip, this will likely be the first one developers can get their hands on.
[0] https://git.ffmpeg.org/gitweb/ffmpeg.git/tree/HEAD:/libavcod https://git.ffmpeg.org/gitweb/ffmpeg.git/tree/HEAD:/libavcod...
[1] https://twitter.com/SipeedIO/status/1654055669774036993 https://twitter.com/SipeedIO/status/1654055669774036993