llama.cpp

449ec2ab - vulkan: Preprocess FA mask to detect all-neg-inf and all-zero. (#19281)

vulkan: Preprocess FA mask to detect all-neg-inf and all-zero. (#19281) Write out a 2-bit code per block and avoid loading the mask when it matches these two common cases. Apply this optimization when the mask is relatively large (i.e. prompt processing).