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[SOT][dynamic shape] add SymbolicTracker to replace DummyTracker by zrr1999 · Pull Request #64500 · PaddlePaddle/Paddle · GitHub
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[SOT][dynamic shape] add SymbolicTracker to replace DummyTracker #64500
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你的PR提交成功，感谢你对开源项目的贡献! |
SigureMo
reviewed
May 22, 2024
| @@ -121,6 +121,25 @@ def need_guard(self) -> bool: | |||
| return False | |||
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| class SymbolicTracker(DummyTracker): | |||
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感觉 SymbolicTracker 语义不太足，「符号化」更多表示输入变量是个符号？但这个 tracker 用于表示变量之间的操作，感觉还是叫 SymbolicOperationTracker 吧，虽然长一些，但语义是够的～
| class SymbolicTracker(DummyTracker): | ||
| """ | ||
| SymbolicTracker is a subclass of Tracker that specifically tracks variables cannot be reproduced from the frame. | ||
| It is mostly generated by complex operations (instructions). |
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这里应该说明来源是 symbolic 变量的运算
SigureMo
reviewed
May 27, 2024
python/paddle/jit/sot/opcode_translator/executor/opcode_executor.py
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python/paddle/jit/sot/opcode_translator/executor/opcode_executor.py
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SigureMo
reviewed
May 27, 2024
| return bool(self.get_py_value()) | ||
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| def bool(self): | ||
| return ConstantVariable(bool(self), self.graph, DummyTracker([self])) |
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这里不是 SymbolicOperationTracker 么？
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SymbolicVariable不支持bool的话，bool操作的时候是不是应该就给截断了变成Constant，然后guard value
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也就是只要取值就转成 Constant 是么，可以
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奇怪，为啥会没跑到呢？
python/paddle/jit/sot/opcode_translator/executor/function_graph.py
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This reverts commit 6492b08.
SigureMo
reviewed
May 27, 2024
| return bool(self.get_py_value()) | ||
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| def bool(self): | ||
| return ConstantVariable(bool(self), self.graph, DummyTracker([self])) |
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奇怪，为啥会没跑到呢？
SigureMo
approved these changes
May 29, 2024
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LGTMeow
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Description
使用 SymbolicTracker 替换 DummyTracker 的准备工作，后续实现SymbolicVariable的表示机制