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Posted to commits@tvm.apache.org by "quic-sanirudh (via GitHub)" <gi...@apache.org> on 2023/06/23 13:03:18 UTC

[GitHub] [tvm] quic-sanirudh opened a new pull request, #15146: [TIR] Block dependence analysis without schedules

quic-sanirudh opened a new pull request, #15146:
URL: https://github.com/apache/tvm/pull/15146

   This work introduces a new object called `BlockDependenceInfo` that computes and returns block dependences. The idea is to be able to expose block level dependences to TIR passes without having to create an explicit schedules.
   
   The patch introduces 2 main classes:
   1. `SRefTreeCreator` - This creates and returns a new SRefTree and returns a map from original statements to corresponding srefs
   2. `BlockDependenceInfo` - This object computes the actual dependences between blocks within a block scope and returns it for access in TIR passes
   
   This is a continuation to
   [PR #15034](https://github.com/apache/tvm/pull/15034) and completes the work started there to expose block level dependences to TIR passes
   
   Note: One major difference between the SRef Tree created for dependence analysis here versus the one already present in schedules is that this SRef tree only contains block nodes and not loops. This makes it easier to find the parent blocks (by just accessing `parent` member)


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[GitHub] [tvm] quic-sanirudh commented on pull request #15146: [TIR] Block dependence analysis without schedules

Posted by "quic-sanirudh (via GitHub)" <gi...@apache.org>.
quic-sanirudh commented on PR #15146:
URL: https://github.com/apache/tvm/pull/15146#issuecomment-1605320919

   > LGTM. Thanks @quic-sanirudh for the great effort on the refactoring
   
   Thanks for all your help in design and reviews


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[GitHub] [tvm] Hzfengsy merged pull request #15146: [TIR] Block dependence analysis without schedules

Posted by "Hzfengsy (via GitHub)" <gi...@apache.org>.
Hzfengsy merged PR #15146:
URL: https://github.com/apache/tvm/pull/15146


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[GitHub] [tvm] tvm-bot commented on pull request #15146: [TIR] Block dependence analysis without schedules

Posted by "tvm-bot (via GitHub)" <gi...@apache.org>.
tvm-bot commented on PR #15146:
URL: https://github.com/apache/tvm/pull/15146#issuecomment-1604255202

   <!---bot-comment-->
   
   Thanks for contributing to TVM! Please refer to the contributing guidelines https://tvm.apache.org/docs/contribute/ for useful information and tips. Please request code reviews from [Reviewers](https://github.com/apache/incubator-tvm/blob/master/CONTRIBUTORS.md#reviewers) by @-ing them in a comment.
   
   <!--bot-comment-ccs-start-->
    * cc @Hzfengsy, @junrushao, @shingjan <sub>See [#10317](https://github.com/apache/tvm/issues/10317) for details</sub><!--bot-comment-ccs-end-->
   
   <sub>Generated by [tvm-bot](https://github.com/apache/tvm/blob/main/ci/README.md#github-actions)</sub>


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[GitHub] [tvm] quic-sanirudh commented on pull request #15146: [TIR] Block dependence analysis without schedules

Posted by "quic-sanirudh (via GitHub)" <gi...@apache.org>.
quic-sanirudh commented on PR #15146:
URL: https://github.com/apache/tvm/pull/15146#issuecomment-1604256193

   cc @Hzfengsy @junrushao 


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