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OSError: [Errno 12] Cannot allocate memory. But memory usage is . . . i think Starting by checking the vmsize of the process that failed to fork, at the time of the fork attempt, and then compare to the amount of free memory (physical and swap) as it relates to the overcommit policy (plug the numbers in )
cannot allocate memory · Issue #4387 · pytorch pytorch - GitHub Setting swap space equal to RAM space and swappiness=0 worked for me Sign up for free to join this conversation on GitHub Already have an account? Sign in to comment the problem arise when run after 1epoch, but works well in first train epoch as well as the followed 1st validate epoch batch_size is 8 and work_number is 2。 why this happened ?
Pytorch遇到OSError: [Errno 12] Cannot allocate memory . . . self pid = os fork () OSError: [Errno 12] Cannot allocate memory Process finished with exit code 137 The solution is either to make the pools earlier, when less memory needs to be copied, or to work harder at sharing the largest objects