[BE] Introduce lapack_work_to_int function
#149682
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malfet
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lezcano,
nikitaved and
IvanYashchuk
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/149682
Note: Links to docs will display an error until the docs builds have been completed. ✅ No FailuresAs of commit 0496b6d with merge base a268c29 ( This comment was automatically generated by Dr. CI and updates every 15 minutes. |
malfet
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wdvr
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Mar 20, 2025
malfet
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lapack_work_to_int function
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amathewc
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Apr 17, 2025
That could be used to safely cast floating values to int by adding an ULP, which is a followup after pytorch#146456 Fixes pytorch#149591 (Not adding unittest as it's just going to be too slow) Test plan: ``` % python3 -c "import torch; torch.pinverse(torch.rand(50000, 8193))" ``` Before the change errored out with ``` RuntimeError: false INTERNAL ASSERT FAILED at "pytorch/pytorch/aten/src/ATen/native/BatchLinearAlgebra.cpp":1605, please report a bug to PyTorch. linalg.svd: Argument 12 has illegal value. Most certainly there is a bug in the implementation calling the backend library. ``` Pull Request resolved: pytorch#149682 Approved by: https://github.com/wdvr
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That could be used to safely cast floating values to int by adding an ULP, which is a followup after #146456
Fixes #149591
(Not adding unittest as it's just going to be too slow)
Test plan:
Before the change errored out with