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UDF Performance Improvement #422

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chris-twiner opened this issue May 11, 2020 · 1 comment
Closed

UDF Performance Improvement #422

chris-twiner opened this issue May 11, 2020 · 1 comment

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@chris-twiner
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When using FramelessUdfs the eval function spends a large time compiling, often dominating the actual running of the udf. Moving the compiled codegen out to a lazy val seems to remove the constant compilation and stop binding issues as it's only then called when eval is.
Of course I'm assuming this has been tried and failed for some reason I've not yet bumped into...
chris-twiner added a commit to chris-twiner/frameless that referenced this issue Jul 3, 2020
@chris-twiner
fix typelevel#422, base for typelevel#427
23d93f9
@chris-twiner
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fixed as part of #427 and #433

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