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Restore HPMC GPU performance. #1653

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joaander opened this issue Nov 8, 2023 · 0 comments
Open

Restore HPMC GPU performance. #1653

joaander opened this issue Nov 8, 2023 · 0 comments
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complex A particularly complex or large project that involves significant amount of effort. hpmc HPMC component task Something needs to be done.

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joaander commented Nov 8, 2023

Description

After #1651 and #1652 are complete, restore the HPMC kernels from HOOMD-blue 2.x.

Motivation and context

Prior to the 3.0 release, there was a half-completed major refactor to the HPMC kernels to enable NVRTC, depletants, and attempt to improve performance. In practice, it slowed performance for most users. After #1651 and #1652 are complete, HPMC will no longer support implicit depletants or RTC on the GPU and we can then bring back the old kernels to restore the previous level of performance.
@joaander joaander added hpmc HPMC component task Something needs to be done. complex A particularly complex or large project that involves significant amount of effort. labels Nov 8, 2023
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complex A particularly complex or large project that involves significant amount of effort. hpmc HPMC component task Something needs to be done.
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