message: [TF:XLA] Clarifying comment in multi_output_fusion.
diff: @@ -69,7 +69,8 @@ class MultiOutputFusion : public HloModulePass {
  virtual bool IsFusible(HloInstruction* instr) = 0;
  // This function estimates the savings by merging instr1 and instr2 into one
  - // multi-output fusion instruction.
  + // multi-output fusion instruction. It returns a result in kib. (The result
  + // is intentionally not granules, because this method is not TPU-specific.)
  virtual int64 GetProfit(HloInstruction* instr1, HloInstruction* instr2) = 0;
  // Whether fusing the instruction can reduce memory reads.
  