SASS instruction histogram for kernel flash_attn_4warp (kernels/attention/flash_attention/flash_wmma.sm_86.cubin)
Total instructions: 4152
HMMA: 0
IMMA: 0
LDSM: 0
LDS: 382
STS: 14
LDGSTS: 0
LDG: 16
STG: 2
FFMA: 264
FADD: 770
FMUL: 454
FSEL: 0
MUFU: 70
SHFL: 321
IADD3: 42
IMAD: 16
ISETP: 18
LOP3: 21
BRA: 21
EXIT: 2
BAR: 2
BARRIER: 0
WARPSYNC: 2
NOP: 13
S2R: 6
Other: 1716
Useful instructions: 35.8%