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AtPoints Operations for GPU Backends #1502

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jeremylt opened this issue Mar 5, 2024 · 2 comments
Open

AtPoints Operations for GPU Backends #1502

jeremylt opened this issue Mar 5, 2024 · 2 comments
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@jeremylt
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jeremylt commented Mar 5, 2024

We should add initial GPU capability for AtPoints Bases, Restrictions, and Operators
@jeremylt
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Ok, moving this up on priority.

I think the main question is how to handle different numbers of points per cell. My instinct is to give each cell the size of scratch space as the maximum number of points in the cell and pad out the data by replicating the last value in the cell.

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Ok, need a multi-element apply method and to tweak the tests for restrictions to handle different packing strategies of the e-vec

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