Function CheckIfFeatureUnused

tensorflow/core/platform/cpu_feature_guard.cc:45–51

Check if CPU feature is included in the TensorFlow binary.

// Check if CPU feature is included in the TensorFlow binary.
void CheckIfFeatureUnused(CPUFeature feature, const string& feature_name,
                          string& missing_instructions) {
  if (TestCPUFeature(feature)) {
    missing_instructions.append(" ");
    missing_instructions.append(feature_name);
  }
}

// Raises an error if the binary has been compiled for a CPU feature (like AVX)
// that isn't available on the current machine. It also warns of performance