message: Add new field to TPUCompileMetaDataProto for automatic model parallelism.
diff: @@ -100,4 +100,8 @@ message TPUCompileMetadataProto {
  // The XLA fusion autotuner can improve performance by executing a heuristic
  // search on the compiler parameters.
  int64 xla_fusion_autotuner_thresh = 13;
  +
  + // Enables TPU compiler to add sharding policies for inputs/outputs to
  + // the XLA computation for model parallelism.
  + bool enable_automatic_model_parallelism = 14;
  }
  