SASS instruction histogram for kernel flash_attn_v2_persistent (kernels/attention/flash_attention/flash_v2_persistent.sm_86.cubin)
Total instructions: 1088
HMMA: 64
IMMA: 0
LDSM: 48
LDS: 1
STS: 31
LDGSTS: 0
LDG: 30
STG: 32
FFMA: 13
FADD: 74
FMUL: 198
FSEL: 0
MUFU: 42
SHFL: 9
IADD3: 48
IMAD: 82
ISETP: 33
LOP3: 34
BRA: 25
EXIT: 1
BAR: 6
BARRIER: 0
WARPSYNC: 6
NOP: 8
S2R: 5
Other: 298
Useful instructions: 32.1%