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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2020/07/04 21:02:13 UTC

[GitHub] [incubator-tvm] comaniac commented on pull request #5962: [Ansor][AutoTVM v2.0] Part 0: Ansor minimum system for auto schedule generating

comaniac commented on pull request #5962:
URL: https://github.com/apache/incubator-tvm/pull/5962#issuecomment-653812054


   > You guys used crossover, and it often suck in genetic algorithm. Had you guys done ablation study of genetic algorithm with pure-mutation approach?
   
   Crossover has to be used carefully as you pointed out. We currently only cross stages to avoid invalid schedules, so it is impactful on multi-stage workloads such as Winograd conv2d. Anyways, crossover would be added at the later stage of up streaming Ansor, so we don't need to worry about that in this PR now.


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