虽然最终得到了engine模型，但是报了这个错误，我是否应该忽视

[22ling]

Env

• GPU3090ti
• Win11
• Cuda version:11.8
• TensorRT version:8.6.1.6

About this repo

• tag: yolov5s v6.0
• yolov5

My problem

• my command:
  yolov5.exe -s yolo5_wc_10_5x5.wts yolov5_4x5_bt256.engine s

• what's your output?
  [06/04/2024-10:20:35] [W] [TRT] The implicit batch dimension mode has been deprecated. Please create the network with NetworkDefinitionCreationFlag::kEXPLICIT_BATCH flag whenever possible.
  Loading weights: yolo5_wc_10_5x5.wts
  Building engine, please wait for a while...
  [06/04/2024-10:27:06] [W] [TRT] TensorRT encountered issues when converting weights between types and that could affect accuracy.
  [06/04/2024-10:27:06] [W] [TRT] If this is not the desired behavior, please modify the weights or retrain with regularization to adjust the magnitude of the weights.
  [06/04/2024-10:27:06] [W] [TRT] Check verbose logs for the list of affected weights.
  [06/04/2024-10:27:06] [W] [TRT] - 50 weights are affected by this issue: Detected subnormal FP16 values.
  [06/04/2024-10:27:06] [W] [TRT] - 2 weights are affected by this issue: Detected values less than smallest positive FP16 subnormal value and converted them to the FP16 minimum subnormalized value.
  Build engine successfully!
  [06/04/2024-10:27:06] [E] [TRT] 3: [builder.cpp::nvinfer1::builder::Builder::~Builder::341] Error Code 3: API Usage Error (Parameter check failed at: builder.cpp::nvinfer1::builder::Builder::~Builder::341, condition: mObjectCounter.use_count() == 1. Destroying a builder object before destroying objects it created leads to undefined behavior.
  )

• what output do you expect?
  why appear"[06/04/2024-10:27:06] [E] [TRT] 3: [builder.cpp::nvinfer1::builder::Builder::~Builder::341] Error Code 3: API Usage Error (Parameter check failed at: builder.cpp::nvinfer1::builder::Builder::~Builder::341, condition: mObjectCounter.use_count() == 1. Destroying a builder object before destroying objects it created leads to undefined behavior.
  )",shouild i ignore or take some meatures?

[arkerman]

@22ling

trt版本更新到8.5之后的问题。

主要是CUDA释放内存顺序不对，需要看一下在定义builder、engine、runtime指针时的顺序，在释放内存时，需要倒序释放，还要看看你有没有定义二级指针，destroy的时候也要注意释放的顺序