32 lines
805 B
Python
32 lines
805 B
Python
import torch.fx as fx
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def set_trace(gm: fx.GraphModule) -> fx.GraphModule:
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"""
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Sets a breakpoint in `gm`'s generated python code. It drops into pdb when
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`gm` gets run.
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Args:
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gm: graph module to insert breakpoint. It is then recompiled for it to
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take effect.
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Returns:
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the `gm` with breakpoint inserted.
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"""
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def insert_pdb(body):
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return ["import pdb; pdb.set_trace()\n", *body]
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with gm.graph.on_generate_code(
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make_transformer=lambda cur_transform: (
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# new code transformer to register
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lambda body: (
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insert_pdb(
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cur_transform(body) if cur_transform
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else body
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)
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)
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)
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):
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gm.recompile()
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return gm
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