message: [TF:TRT] Enable large tensor transpose for TensorRT 7.1.3.4 or higher.
  TensorRT 7.1.3.4 is no longer inefficient at large tensor transpose. It is better to enable the large tensor transpose by default to improve coverage and reduce fragmentation.
diff: @@ -2616,13 +2616,15 @@ Status ConvertTranspose(OpConverterParams* params) {
  "Transpose at batch dimension is not supported.");
  }
  - // TensorRT as of version 7.0.0.11 is slow transposing large tensors.
  +#if !IS_TRT_VERSION_GE(7, 1, 3, 4)
  + // TensorRT versions before 7.1.3.4 is slow transposing large tensors.
  // So check tensor size, and don't convert if it is too large.
  constexpr int64_t kMaxEfficientTranspose = 2500000;
  int64_t tensor_size = TrtTensorDimsNumElements(input_tensor->getDimensions());
  if (!AllowInefficientTranspose() && tensor_size > kMaxEfficientTranspose) {
  return errors::Unimplemented(StrCat("Transpose too large:", tensor_size));
  }
  +#endif
  if (params->validation_only) return Status::OK();
  