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Add MatrixRef to take a sub-matrix from an existing Matrix #934

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merged 19 commits into from
Jul 28, 2023
Merged

Add MatrixRef to take a sub-matrix from an existing Matrix #934

merged 19 commits into from
Jul 28, 2023

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msimberg
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@msimberg msimberg commented Jul 12, 2023 •
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This adds a MatrixRef class which takes an existing Matrix, offset, and size to give sender access to the sub-distribution defined by offset and size. At least for this PR MatrixRef will stay a separate type. It's not clear to me how to cleanly make MatrixRef and Matrix the same type without ugliness in the implementation, and without confusing the guarantees that the types give.

@msimberg msimberg added this to the Optimizations milestone Jul 12, 2023
@msimberg msimberg self-assigned this Jul 12, 2023
@msimberg msimberg marked this pull request as draft July 12, 2023 08:03
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@msimberg msimberg mentioned this pull request Jul 12, 2023
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@msimberg msimberg requested a review from albestro July 13, 2023 07:37
@msimberg msimberg marked this pull request as ready for review July 13, 2023 07:37
@msimberg msimberg requested a review from rasolca July 13, 2023 07:37
albestro
albestro approved these changes Jul 19, 2023
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LGTM

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rasolca
rasolca reviewed Jul 28, 2023
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I would merge this PR and start using it. In this way we can fully realize if the API is ok or need tweaking.

But I would move MatrixRef to internal namespace, and move back in a later PR when we are confident about the API.

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@msimberg msimberg requested a review from rasolca July 28, 2023 10:53
@rasolca rasolca merged commit 7114b18 into eth-cscs:master Jul 28, 2023
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github-actions bot pushed a commit that referenced this pull request Jul 28, 2023
@rasolca
Doc Add MatrixRef to take a sub-matrix from an existing Matrix (#934
6403d87 
)
@msimberg msimberg deleted the sub-distribution branch July 28, 2023 18:20
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@rasolca rasolca rasolca approved these changes

@albestro albestro albestro approved these changes

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