Kawrakow 8e14e3ddb3 Faster AVX2 dot product for IQ2_XS (#5187) ...

* iq2xs: faster AVX2 dot product

* iq2xs: small AVX2 imrovement

* Speed up computing sign bits in AVX2 iq2_xs dot product

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Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com>
Co-authored-by: Peter Reid <peter@peterreid.net>

2024-01-30 15:15:07 +02:00

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