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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2020/11/04 08:21:30 UTC

[GitHub] [incubator-tvm] jcf94 edited a comment on pull request #6830: [AutoScheduler] Bug fix for layout rewrite CI error in i386

jcf94 edited a comment on pull request #6830:
URL: https://github.com/apache/incubator-tvm/pull/6830#issuecomment-721582119


   This problem can be reproduced in my local runtime with ci-i386 docker.
   
   Seems the float point operations under 32bit environment trends to be less accurate than 64bit?
   
   I've tried more tests on different llvm versions, codegen results with higher llvm version can still encounter accuracy problem, but with lower possiblity. In x86_64 environment, even with atol = rtol = 1e-7, different llvm versions all worked well.
   
   Currently a better way to fix this may still be setting a bigger atol and rtol value.


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