tensorflow/core/profiler/protobuf/hardware_types.proto

// This proto describes the types of hardware profiled by the TensorFlow
// profiler.
syntax = "proto3";

package tensorflow.profiler;

// Types of hardware profiled.
enum HardwareType {
  // Unknown hardware.
  UNKNOWN_HARDWARE = 0;
  // CPU only without any hardware accelerator.
  CPU_ONLY = 1;
  // GPU.
  GPU = 2;
  // TPU.
  TPU = 3;
}