SASS instruction histogram for kernel flash_attn_br16_v2 (kernels/attention/flash_attention/flash_br16_v2.sm_86.cubin)
Total instructions: 1024
HMMA: 64
IMMA: 0
LDSM: 48
LDS: 0
STS: 30
LDGSTS: 0
LDG: 30
STG: 32
FFMA: 13
FADD: 74
FMUL: 198
FSEL: 0
MUFU: 40
SHFL: 9
IADD3: 40
IMAD: 55
ISETP: 23
LOP3: 30
BRA: 22
EXIT: 3
BAR: 4
BARRIER: 0
WARPSYNC: 6
NOP: 10
S2R: 10
Other: 283
Useful instructions: 34.1%