SASS instruction histogram for kernel flash_attn_br16_v2_bc128 (kernels/attention/flash_attention/flash_br16_v2_bc128.sm_86.cubin)
Total instructions: 1496
HMMA: 128
IMMA: 0
LDSM: 96
LDS: 0
STS: 46
LDGSTS: 0
LDG: 30
STG: 32
FFMA: 13
FADD: 138
FMUL: 326
FSEL: 0
MUFU: 72
SHFL: 9
IADD3: 51
IMAD: 21
ISETP: 23
LOP3: 30
BRA: 22
EXIT: 3
BAR: 4
BARRIER: 0
WARPSYNC: 6
NOP: 8
S2R: 10
Other: 428
Useful instructions: 40.4%