UPSTREAM PR #18610: ggml webgpu: initial flashattention implementation#821

loci-dev wants to merge 3 commits intomainauroralabs-loci/llama.cpp:mainfrom

upstream-PR18610-branch_reeselevine-masterauroralabs-loci/llama.cpp:upstream-PR18610-branch_reeselevine-masterCopy head branch name to clipboard