kv-cache: SWA checkpoints store only non-masked cells (cherry-pick #23981)#27

lalalune merged 3 commits into

mainelizaOS/llama.cpp:mainfrom

eliza/gemma-kv-swa-checkpoint-fixelizaOS/llama.cpp:eliza/gemma-kv-swa-checkpoint-fixCopy head branch name to clipboard