What does this line do?

[CoinCheung]

TensorRT_Seg_LW_Refinenet/TensorRT_Seg/TensorRT_Seg.cpp

Line 367 in e774ff3

builder->destroy();

Hi,

I am studying from your code about how to use tensorrt to infer onnx model. I am quite confused about this line of L367. why do you destroy the builder, does the builder have relationship with the engine ?