- fmha_multitile_capi.cu: C API wrapper for TMA multi-tile kernel Creates TMA descriptors per (head, batch), launches kernel - fmha_multitile_op.py: nvcc precompile + ctypes loader - production.py: dispatch to multitile for N>128 or hd=512 - Reverted fmha_6warp_multihead.cuh to working single-tile version - The TMA multi-tile kernel already passes 72 configs (D1.5) HD=64/128/256/512 × T=1/4/32/128 × s_k=128/256/384/512