Enable _linalg_det, _linalg_slogdet and _linalg_solve_ex related operations on xpu
#1660
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Pull Request Overview
This pull request introduces optimized XPU-specific support for determinant and sign/log-determinant operations by dispatching to dedicated XPU kernels and removing fallbacks. It also updates the test suite and skip lists accordingly to reflect the new support.
- Added YAML entries for _linalg_det and _linalg_slogdet with structured delegates and XPU-specific dispatch.
- Updated test files to include new LU-family and LU-solve tests while removing obsolete fallback tests.
- Removed fallback implementations and adjusted skip lists in test files.
Reviewed Changes
Copilot reviewed 6 out of 7 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| yaml/native/native_functions.yaml | Added structured function entries for _linalg_det and _linalg_slogdet with XPU dispatch support. |
| test/xpu/test_linalg_xpu.py | Introduced new tests for LU-family and LU-solve operations; refactored imports and test registration. |
| test/xpu/skip_list_common.py | Removed skip tests related to linalg_det and linalg_slogdet operations. |
| src/ATen/native/xpu/mkl/BatchLinearAlgebra.h | Defined new MKL-based linear algebra function prototypes for XPU. |
| src/ATen/native/xpu/BatchLinearAlgebra.cpp | Added XPU kernel implementations for SVD, LU solve, and LU factor with CPU fallback support. |
Files not reviewed (1)
- src/ATen/native/xpu/XPUFallback.template: Language not supported
huiyan2021
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_linalg_det and _linalg_slogdet related operations on xpu_linalg_det, _linalg_slogdet and _linalg_solve_ex related operations on xpu
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| - func: lu_unpack(Tensor LU_data, Tensor LU_pivots, bool unpack_data=True, bool unpack_pivots=True) -> (Tensor P, Tensor L, Tensor U) | ||
| structured_delegate: lu_unpack.out | ||
| variants: function | ||
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| - func: lu_unpack.out(Tensor LU_data, Tensor LU_pivots, bool unpack_data=True, bool unpack_pivots=True, *, Tensor(a!) P, Tensor(b!) L, Tensor(c!) U) -> (Tensor(a!) P, Tensor(b!) L, Tensor(c!) U) | ||
| variants: function | ||
| structured: True | ||
| dispatch: | ||
| CPU, CUDA: lu_unpack_out |
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@huiyan2021 Some missing code, right? Found in the commit enable _linalg_det and _linalg_det.result on xpu.
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This pull request stacks on #1563. It introduces support for
_linalg_det,_linalg_slogdetand_linalg_solve_exrelated operations on XPU devices:_linalg_det&_linalg_det.result_linalg_slogdet&_linalg_slogdet.sign_linalg_solve_ex.resultIt also removes fallback implementations for these operations in favor of optimized XPU-specific implementations. Corresponding tests have been updated to reflect the new support.
New XPU Kernel Implementations:
Since
_linalg_det,_linalg_slogdetand_linalg_solve_excalllinalg_lu_factor_ex.outunderneath, which has been implemented in #1563, no new kernels need to be added in this pull request. Only dispatching these operations inthird_party/torch-xpu-ops/yaml/native/native_functions.yamlwould work.Removal of Fallbacks:
Removed fallback entries for
_linalg_det,_linalg_slogdetand_linalg_solve_exrelated operations fromthird_party/torch-xpu-ops/src/ATen/native/xpu/XPUFallback.template. These operations now have dedicated XPU implementations.Test Adjustments:
Updated the skip list in
test/xpu/skip_list_common.pyto remove passed and removedlinalg_det,linalg_slogdetand_linalg_solve_exrelated UTs.Fix #1597