[Feature] Support GQA SWA attention and v_head_dim KV cache#8041

Jiang-Jia-Jun merged 16 commits into

PaddlePaddle:developPaddlePaddle/FastDeploy:developfrom

chang-wenbin:ALL-GQA_SWAchang-wenbin/FastDeploy:ALL-GQA_SWACopy head branch name to clipboard