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Simplify triangular multiplication code slightly #52393

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merged 2 commits into from
Dec 5, 2023
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@dkarrasch dkarrasch commented Dec 4, 2023

This goes by the assumption that adjoint!(C, A) is never worse than copyto!(C, adjoint(A)), and similar for transposes.

After the edit, these should be purely cosmetic changes.

@dkarrasch dkarrasch added performance Must go faster domain:linear algebra Linear algebra labels Dec 4, 2023
@jishnub
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jishnub commented Dec 5, 2023

copyto!(dest, ::Adjoint) already calls adjoint! internally after #51650, so IIUC this is equivalent to _at_copyto!

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True, thanks. I'll go forward and simplify some of the touched lines here to use just copyto!.

@dkarrasch dkarrasch changed the title Make copyto! use adjoint!/transpose! when appropriate Simplify triangular multiplication code slightly Dec 5, 2023
@dkarrasch dkarrasch added the status:merge me PR is reviewed. Merge when all tests are passing label Dec 5, 2023
@LilithHafner LilithHafner merged commit 2ef056a into master Dec 5, 2023
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@LilithHafner LilithHafner deleted the dk/adjortrans! branch December 5, 2023 15:39
@LilithHafner LilithHafner removed status:merge me PR is reviewed. Merge when all tests are passing performance Must go faster labels Dec 5, 2023
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3 participants