fix(rocm): guard empty and 64-bit sizes in norm VJP, gemv, GatherQMM - #2636

fix(rocm): guard empty and 64-bit sizes in norm VJP, gemv, GatherQMM#2636

inureyes merged 2 commits into

mainlablup/mlxcel:mainfrom

fix/issue-2633-rocm-empty-and-64bit-guardslablup/mlxcel:fix/issue-2633-rocm-empty-and-64bit-guardsCopy head branch name to clipboard