[Relax] Add FDataDependent operator attribute for LegalizeOps#18664
[Relax] Add FDataDependent operator attribute for LegalizeOps#18664tlopex merged 2 commits intoapache:mainfrom
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Summary of ChangesHello @guan404ming, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request refactors the identification of data-dependent operators within the Highlights
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Code Review
This pull request is a great improvement, replacing fragile string matching for data-dependent operators with a dedicated FDataDependent attribute. This makes the LegalizeOps transform more robust and scalable. The changes in src/relax/op/tensor/index.cc to add the attribute and in tests/python/relax/test_transform_legalize_ops_index_linear_algebra.py to test it are clear and correct. I have one suggestion in src/relax/transform/legalize_ops.cc to simplify the attribute checking logic for better readability and conciseness.
| bool is_data_dependent_op = [&]() -> bool { | ||
| if (Op::HasAttrMap("FDataDependent")) { | ||
| auto op_map = Op::GetAttrMap<Bool>("FDataDependent"); | ||
| if (op_map.count(op)) { | ||
| return op_map[op]->value; | ||
| } | ||
| } | ||
| return false; | ||
| }(); |
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This immediately-invoked lambda expression can be simplified to a more concise and idiomatic one-liner using Op::GetAttrMap and the .get() method with a default value. This will improve readability.
bool is_data_dependent_op = Op::GetAttrMap<Bool>("FDataDependent").get(op, Bool(false))->value;
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Thanks! |
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Why
The LegalizeOps transform was using string matching to detect data-dependent operators by checking if "dynamic" appears in the operator name. This approach is fragile and doesn't scale well as new data-dependent operators are added.
How