8000 `set_to_zero!!` overhead · Issue #552 · chalk-lab/Mooncake.jl · GitHub
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set_to_zero!! overhead #552

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willtebbutt opened this issue Apr 15, 2025 · 0 comments
Open

set_to_zero!! overhead #552

willtebbutt opened this issue Apr 15, 2025 · 0 comments
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enhancement (performance) Would reduce the time it takes to run some bit of the code

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@willtebbutt
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The overhead of set_to_zero!! appears to be non-trivial on the DPPL examples @penelopeysm implemented for TuringLang/DynamicPPL.jl#882. This is probably not a problem in general, but it does suggest that we ought to avoid calling set_to_zero!! on arguments whose gradients are not required.
@willtebbutt willtebbutt added the enhancement (performance) Would reduce the time it takes to run some bit of the code label Apr 15, 2025
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