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Add linspace and logspace implementations in OpenVINO NumPy backend #21613
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Summary of Changes
Hello @arunthakur009, I'm Gemini Code Assist1 ! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request introduces the implementation of linspace and logspace functions within the OpenVINO NumPy backend. These additions enable the generation of evenly and logarithmically spaced sequences, respectively, directly within the OpenVINO environment, enhancing its compatibility with standard NumPy operations and expanding its numerical computation capabilities.
Highlights
- Linspace Implementation: Implemented the
linspacefunction to generate linearly spaced numbers, supportingstart,stop,num,endpoint,retstep,dtype, andaxisparameters within the OpenVINO NumPy backend. - Logspace Implementation: Implemented the
logspacefunction, which leverages the newlinspaceimplementation to generate numbers spaced evenly on a log scale, supportingstart,stop,num,endpoint,base,dtype, andaxisparameters. - Functionality Enablement: Removed
NotImplementedErrorfor bothlinspaceandlogspacein the OpenVINO NumPy backend, making these functions fully operational. - OpenVINO Integration: Integrated OpenVINO tensor operations for robust type conversion, shape manipulation, and mathematical computations within these new functions, ensuring compatibility with the OpenVINO ecosystem.
- Test Enablement: Updated
excluded_concrete_tests.txtto allowlinspaceandlogspacetests to run, confirming their successful integration and expected behavior.
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Code Review
This pull request adds implementations for linspace and logspace to the OpenVINO backend, which is a great addition. The code is well-structured, but there are several areas for improvement, particularly concerning correctness in edge cases and code simplification.
My review focuses on:
- Aligning the behavior of
linspacewith NumPy's specification for edge cases likenum <= 0andnum = 1, especially whenretstep=True. - Improving code quality by removing redundant logic and handling exceptions more safely.
- Pointing out a limitation in the
axisparameter handling inlinspace. - Suggesting a significant simplification for the
logspaceimplementation to improve readability and robustness.
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@ ## master #21613 +/- ## ========================================== - Coverage 82.75% 82.48% -0.27% ========================================== Files 567 572 +5 Lines 56722 57522 +800 Branches 8841 8994 +153 ========================================== + Hits 46940 47449 +509 - Misses 7609 7773 +164 - Partials 2173 2300 +127
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Thanks for the feedback, @fchollet I’ve fixed the docstring—please take another look when you get a chance.
Thanks for the feedback, @fchollet. I’ve updated the docstrings accordingly. Please let me know if further adjustments are needed.
@Mohamed-Ashraf273 I’ve applied the suggested changes. Please take a look when you have time.
Added linspace for generating evenly spaced linear sequences.
Added logspace built on linspace for log-scaled sequences.
Supports num, endpoint, base, dtype, and axis parameters.
Integrated OpenVINO tensor conversion and dtype handling.
Tickets:
openvinotoolkit/openvino#30114
openvinotoolkit/openvino#29485