SASS instruction histogram for kernel flash_attn_fused (kernels/attention/flash_attention/flash_fused.sm_86.cubin)
Total instructions: 3256
HMMA: 64
IMMA: 0
LDSM: 48
LDS: 238
STS: 186
LDGSTS: 0
LDG: 30
STG: 32
FFMA: 70
FADD: 305
FMUL: 416
FSEL: 0
MUFU: 116
SHFL: 161
IADD3: 122
IMAD: 218
ISETP: 56
LOP3: 42
BRA: 63
EXIT: 17
BAR: 4
BARRIER: 0
WARPSYNC: 5
NOP: 19
S2R: 6
Other: 1038
Useful instructions: 26.3%