[Proof of Concept] Multi-GPU prototype (single node)#89

Draft

efaulhaber wants to merge 8 commits intomainfrom ef/multi-gpu

+560-5

Commits on Jan 10, 2025

Add backend to use unified memory and multiple GPUs
efaulhaber
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Commits on Jan 17, 2025

Update on each GPU in device memory and then copy to unified memory
efaulhaber
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Commits on Jan 20, 2025

Add workaround for system atomics

efaulhaber
and
vchuravy
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Commits on Jan 22, 2025

Add semi-fast second and slower third approach
efaulhaber
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Commits on Jan 24, 2025

Define custom type to make broadcasting fast
efaulhaber
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Commits on Jan 29, 2025

Merge branch 'main' into ef/multi-gpu
efaulhaber
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Commits on Jan 30, 2025

Implement MultiGPUArray
efaulhaber
committed

Commits on Jan 31, 2025

Make all approaches work
efaulhaber
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