SASS instruction histogram for kernel flash_attn_v2_persistent_pad (kernels/attention/flash_attention/flash_v2_persistent_pad.sm_86.cubin)
Total instructions: 1120
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: 51
IMAD: 97
ISETP: 33
LOP3: 33
BRA: 25
EXIT: 1
BAR: 6
BARRIER: 0
WARPSYNC: 6
NOP: 11
S2R: 5
Other: 310
Useful instructions: 31.2%