make mxtensor printing nicer#3068
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/ao/3068
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vkuzo
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Sep 25, 2025
Summary:
Fix printing of linear weight wrapped with MXTensor.
Test Plan:
quantize a Qwen MoE model with mxfp4 and print it
old version would print the data for each weight
new version prints this:
```python
(self_attn): Qwen2MoeSdpaAttention(
(q_proj): Linear(in_features=2048, out_features=2048, weight=MXTensor(self._elem_dtype=torch.float4_e2m1fn_x2, self._block_size=32, torch.bfloat16, MXGemmKernelChoice.EMULATED,
self.act_quant_kwargs=QuantizeTensorToMXKwargs(elem_dtype=torch.float4_e2m1fn_x2, block_size=32, scaling_mode=<ScaleCalculationMode.FLOOR: 'floor'>, gemm_kernel_choice=<MXGemmKernelChoice.EMULATED: 'emulated'>,
pack_fp6=False)))
```
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ghstack-source-id: fc9e992
ghstack-comment-id: 3336009172
Pull Request resolved: #3068
This was referenced Sep 26, 2025
This was referenced Sep 26, 2025
danielvegamyhre
approved these changes
Sep 26, 2025
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Summary:
Fix printing of linear weight wrapped with MXTensor.
Test Plan:
quantize a Qwen MoE model with mxfp4 and print it
old version would print the data for each weight
new version prints this:
Reviewers:
Subscribers:
Tasks:
Tags: