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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2020/10/09 16:14:10 UTC

[GitHub] [incubator-tvm] tkonolige commented on issue #6650: Ansor support for multiprocessing spawn

tkonolige commented on issue #6650:
URL: https://github.com/apache/incubator-tvm/issues/6650#issuecomment-706271838


   These lines are the issue: https://github.com/apache/incubator-tvm/blob/master/python/tvm/auto_scheduler/measure.py#L63-L66. The globals are not propagated to the child process when using spawn. The inputs cannot current be passed as arguments to pool.map because they are not serializable. A lot of the auto_scheduling data structures do not expose all of their members via visitattrs, so they do no serialize correctly (some also contain pointers, so they might not serialize period).


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