Register audit for kernel flash_attn_br16_v2_bc128 (kernels/attention/flash_attention/flash_attn_br16_v2_bc128.sm_86.cubin)
Registers per thread: 187
Block size: 128
Registers per block: 23936
Static shared memory (KB): 0
Dynamic shared memory: TRUE
Local bytes: 0
Register spill: FALSE
Constant bytes: 396
Theoretical blocks per SM: 2
Warps per SM: 8