Fix Flash and Lean attention split heuristics - #29554

Fix Flash and Lean attention split heuristics#29554

Tianlei Wu (tianleiwu) merged 2 commits into

microsoft:mainmicrosoft/onnxruntime:mainfrom

tianleiwu:tlwu/fix_flash_lean_num_splits_29550tianleiwu/onnxruntime:tlwu/fix_flash_lean_num_splits_29550Copy head branch name to clipboard