zxybazh opened a new issue, #11096:
URL: https://github.com/apache/tvm/issues/11096

   According to recent PRs #11094 #11074 , we found that multiple teams 
independently identified the same memory leak problem using PopenPool worker 
for tvm building during tuning.
   
   Now the common workaround seems to be restart the worker / Popen process 
pool after certain time of usage.
   This issue is thus created to further investigate and track the root cause.
   
   CC: @tqchen @junrushao1994 @shingjan @AndrewZhaoLuo @petersalas 


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