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[SOT][DynamicShape] Clarify symbolic operations and fix scatter infermeta by SigureMo · Pull Request #72067 · PaddlePaddle/Paddle · GitHub
SigureMo
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[SOT][DynamicShape] Clarify symbolic operations
[SOT][DynamicShape] Clarify symbolic operations and fix scatter infermeta
Apr 4, 2025
SigureMo
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[SOT][DynamicShape] Clarify symbolic operations and fix scatter infermeta
[SOT][DynamicShape][3.13] Clarify symbolic operations and fix scatter infermeta
Apr 4, 2025
SigureMo
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[SOT][DynamicShape][3.13] Clarify symbolic operations and fix scatter infermeta
[SOT][DynamicShape] Clarify symbolic operations and fix scatter infermeta
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[SOT][DynamicShape] Clarify symbolic operations and fix scatter infermeta #72067
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SigureMo
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cattidea:sot/clarify-dynamic-shape-operators
Apr 4, 2025
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[SOT][DynamicShape] Clarify symbolic operations and fix scatter infermeta #72067
SigureMo
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cattidea:sot/clarify-dynamic-shape-operators
Apr 4, 2025
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Pull Request Overview
This PR refactors and standardizes SOT dynamic shape symbolic operations to ensure that only a limited, well‐defined set of operations (currently on int, float, and bool) are supported. Key changes include:
- Removal of operator.not_ from the magic methods mapping.
- Introduction of a new module (symbolic_shape.py) defining symbolic types and unified operations.
- Updates to symbolic variable handling across opcode translators, dispatchers, trackers, and meta inference modules.
Reviewed Changes
Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| python/paddle/jit/sot/utils/magic_methods.py | Removed operator.not_ mapping from magic methods. |
| python/paddle/jit/sot/symbolic_shape.py | Added definitions for symbolic operations and types. |
| python/paddle/jit/sot/opcode_translator/executor/variables/basic.py | Adjusted type annotations and error checking for symbolic values. |
| python/paddle/jit/sot/opcode_translator/executor/variable_dispatch.py | Updated dispatcher registrations to support symbolic operators. |
| python/paddle/jit/sot/opcode_translator/executor/tracker.py | Changed constructor signature to use op instead of method_name. |
| python/paddle/jit/sot/opcode_translator/executor/function_graph.py | Renamed methods and added aliasing support for symbolic tracing. |
| python/paddle/jit/sot/opcode_translator/executor/dispatch_functions.py | Minor import improvements. |
| python/paddle/jit/sot/infer_meta.py | Removed duplicate symbolic type definitions and updated shape logic. |
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PR Category
Execute Infrastructure
PR Types
Devs
Description
重构和规范 SOT 动态 shape 符号化操作，确保操作在一个有限的子集内，且操作封闭（至少目前封闭在
int、float、bool）这里主要分为数学运算和逻辑运算，数学运算是
int | float -> int | float，而逻辑运算则是int | float -> bool，因此最终约束节点总会落到逻辑运算节点上（if number这种也会归结为Ne(number, 0)）Note
模型上还有点问题