     39     _attend_fresh_diagonal (tkv/runtime/_fresh_diagonal.py:119)
      2     _segmented_arange (fla/ops/utils/index.py:130)
      2     append (arbi_serve/spec_decode/dflash_kv_slots.py:412)
      1     select (selectors.py:468)
      1     run (fla/ops/utils/cache.py:378)
      1     compile_wrapper (torch/_dynamo/eval_frame.py:1047)
      1     call (cz43k64rgfo2axmonc3apdizxwcuzq6qoknwmzlgyu2eii6lieke.py:1009)
