Enable AVX-VNNI 256-bit path for Q6_K R4 matmul#1482

ikawrakow merged 1 commit intoikawrakow:mainikawrakow/ik_llama.cpp:mainfrom

accaldwell:ac/vnni-q6k-r4accaldwell/ik_llama.cpp:ac/vnni-q6k-r4Copy head branch name to clipboard