[ggml-webgpu] Implement 2D workgroups for scale, binary, and unary ops#24044

reeselevine merged 22 commits into

ggml-org:masterggml-org/llama.cpp:masterfrom

nikhilJain17:nikhilJain17/2d-subgroups-for-opsnikhilJain17/llama.cpp:nikhilJain17/2d-subgroups-for-opsCopy head branch name to clipboard