CUDA: Add `fastdiv` to `k_bin_bcast*`, giving 1-3% E2E performance#15872

JohannesGaessler merged 4 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

ORippler:osimons/add_fastdiv_to_k_bin_bcastORippler/llama.cpp:osimons/add_fastdiv_to_k_bin_bcastCopy head branch name to clipboard