llama.cpp

27ad57a6 - Metal: faster Q4_0 and Q4_1 matrix x vector kernels (#2212)

Metal: faster Q4_0 and Q4_1 matrix x vector kernels (#2212) * 3-5% faster Q4_0 on Metal * 7-25% faster Q4_1 on Metal * Oops, forgot to delete the original Q4_1 kernel --------- Co-authored-by: Iwan Kawrakow <iwan.kawrakow@gmail.com>