cpuminer-opt-3.12.13 released

Published on: 2020-02-13

17094286?s=60&v=4

Issue #238: Fixed skunk AVX2.

Issue #239: Faster AVX2 & AVX512 for skein +44%, skein2 +30%, plus marginal
increases for skunk, x16r, x16rv2, x16rt, x16rt-veil, x16s, x21s.

Faster anime VAES +57%, AVX512 +21%, AVX2 +3%.

Redesigned code reponsible for issue #236.