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Fix rebind_unbacked in torch.fx.experimental.symbolic_shapes#162788

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ColsonZhang:fix/fx-rebind_unbacked
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Fix rebind_unbacked in torch.fx.experimental.symbolic_shapes#162788
ColsonZhang wants to merge 1 commit intopytorch:mainfrom
ColsonZhang:fix/fx-rebind_unbacked

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@ColsonZhang ColsonZhang commented Sep 12, 2025

Description

Fix a float type handling in torch.fx.experimental.symbolic_shapes function. #162480

Issue

When I use AOTInductor to compile the YOLOv10, I encounter the bug 'float' object has no attribute 'node'.
Torch AOTInductor Ahead-Of-Time Compilation Fail

The problem is due to missing float type handling.
https://github.com/pytorch/pytorch/blob/main/torch/fx/experimental/symbolic_shapes.py#L597

            if isinstance(u1, int):
                log.info(
                    "rebind_unbacked: discard %s %s %s -> %s",
                    n.target,
                    raw_u0,
                    path,
                    u1,
                )
                continue

Solution

Change the code if isinstance(u1, float) to if isinstance(u1, (int,float))

cc @ezyang @SherlockNoMad @EikanWang @jgong5 @wenzhe-nrv

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pytorch-bot bot commented Sep 12, 2025

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/162788

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✅ No Failures

As of commit b36d97b with merge base ccb450b (image):
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@pytorch-bot pytorch-bot bot added the release notes: fx release notes category label Sep 12, 2025
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CLA Signed

  • ✅login: ColsonZhang / name: Shen Zhang / (b36d97b)

The committers listed above are authorized under a signed CLA.

@soulitzer soulitzer added the triaged This issue has been looked at a team member, and triaged and prioritized into an appropriate module label Sep 12, 2025
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ezyang commented Sep 14, 2025

@pytorchbot merge

@pytorch-bot pytorch-bot bot added the ciflow/trunk Trigger trunk jobs on your pull request label Sep 14, 2025
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markc-614 pushed a commit to markc-614/pytorch that referenced this pull request Sep 17, 2025
…#162788)

## Description
Fix a float type handling in `torch.fx.experimental.symbolic_shapes` function. [pytorch#162480](pytorch#162480)

## Issue
When I use AOTInductor to compile the YOLOv10, I encounter the bug `'float' object has no attribute 'node'`.
[Torch AOTInductor Ahead-Of-Time Compilation Fail](opendatalab/DocLayout-YOLO#177)

The problem is due to missing float type handling.
https://github.com/pytorch/pytorch/blob/main/torch/fx/experimental/symbolic_shapes.py#L597
```
            if isinstance(u1, int):
                log.info(
                    "rebind_unbacked: discard %s %s %s -> %s",
                    n.target,
                    raw_u0,
                    path,
                    u1,
                )
                continue
```

## Solution
Change the code `if isinstance(u1, float)` to `if isinstance(u1, (int,float))`

Pull Request resolved: pytorch#162788
Approved by: https://github.com/ezyang
mansiag05 pushed a commit to mansiag05/pytorch that referenced this pull request Sep 22, 2025
…#162788)

## Description
Fix a float type handling in `torch.fx.experimental.symbolic_shapes` function. [pytorch#162480](pytorch#162480)

## Issue
When I use AOTInductor to compile the YOLOv10, I encounter the bug `'float' object has no attribute 'node'`.
[Torch AOTInductor Ahead-Of-Time Compilation Fail](opendatalab/DocLayout-YOLO#177)

The problem is due to missing float type handling.
https://github.com/pytorch/pytorch/blob/main/torch/fx/experimental/symbolic_shapes.py#L597
```
            if isinstance(u1, int):
                log.info(
                    "rebind_unbacked: discard %s %s %s -> %s",
                    n.target,
                    raw_u0,
                    path,
                    u1,
                )
                continue
```

## Solution
Change the code `if isinstance(u1, float)` to `if isinstance(u1, (int,float))`

Pull Request resolved: pytorch#162788
Approved by: https://github.com/ezyang
cleonard530 pushed a commit to cleonard530/pytorch that referenced this pull request Sep 22, 2025
…#162788)

## Description
Fix a float type handling in `torch.fx.experimental.symbolic_shapes` function. [pytorch#162480](pytorch#162480)

## Issue
When I use AOTInductor to compile the YOLOv10, I encounter the bug `'float' object has no attribute 'node'`.
[Torch AOTInductor Ahead-Of-Time Compilation Fail](opendatalab/DocLayout-YOLO#177)

The problem is due to missing float type handling.
https://github.com/pytorch/pytorch/blob/main/torch/fx/experimental/symbolic_shapes.py#L597
```
            if isinstance(u1, int):
                log.info(
                    "rebind_unbacked: discard %s %s %s -> %s",
                    n.target,
                    raw_u0,
                    path,
                    u1,
                )
                continue
```

## Solution
Change the code `if isinstance(u1, float)` to `if isinstance(u1, (int,float))`

Pull Request resolved: pytorch#162788
Approved by: https://github.com/ezyang
dsashidh pushed a commit to dsashidh/pytorch that referenced this pull request Sep 26, 2025
…#162788)

## Description
Fix a float type handling in `torch.fx.experimental.symbolic_shapes` function. [pytorch#162480](pytorch#162480)

## Issue
When I use AOTInductor to compile the YOLOv10, I encounter the bug `'float' object has no attribute 'node'`.
[Torch AOTInductor Ahead-Of-Time Compilation Fail](opendatalab/DocLayout-YOLO#177)

The problem is due to missing float type handling.
https://github.com/pytorch/pytorch/blob/main/torch/fx/experimental/symbolic_shapes.py#L597
```
            if isinstance(u1, int):
                log.info(
                    "rebind_unbacked: discard %s %s %s -> %s",
                    n.target,
                    raw_u0,
                    path,
                    u1,
                )
                continue
```

## Solution
Change the code `if isinstance(u1, float)` to `if isinstance(u1, (int,float))`

Pull Request resolved: pytorch#162788
Approved by: https://github.com/ezyang
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