benchmark: always throw the same Error instance #34523
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Stack trace capturing currently accounts for 40 % of the benchmark running time. Always throwing the same exception object removes that overhead and lets the benchmark be more focused on what it is supposed to measure. Refs: nodejs#34512 (comment)
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Hmm, I'm torn on this. While I get the reason for the change, it makes the benchmark even more unrealistic compared to real world user code. Our microbenchmarks are already overly optimized as it is. Not a blocking concern, however. |
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@jasnell I mean, that really depends on what we’re measuring here, right? The point is to measure the performance effect of (For example, the other |
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Yeah like I said, I'm torn on it and don't consider it blocking. I just think we way over index on microbenchmarks in general. |
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Stack trace capturing currently accounts for 40 % of the benchmark running time. Always throwing the same exception object removes that overhead and lets the benchmark be more focused on what it is supposed to measure. Refs: #34512 (comment) PR-URL: #34523 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
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Stack trace capturing currently accounts for 40 % of the benchmark running time. Always throwing the same exception object removes that overhead and lets the benchmark be more focused on what it is supposed to measure. Refs: #34512 (comment) PR-URL: #34523 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
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Stack trace capturing currently accounts for 40 % of the benchmark running time. Always throwing the same exception object removes that overhead and lets the benchmark be more focused on what it is supposed to measure. Refs: #34512 (comment) PR-URL: #34523 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
addaleax
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Stack trace capturing currently accounts for 40 % of the benchmark running time. Always throwing the same exception object removes that overhead and lets the benchmark be more focused on what it is supposed to measure. Refs: #34512 (comment) PR-URL: #34523 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
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Stack trace capturing currently accounts for 40 % of the benchmark
running time. Always throwing the same exception object removes
that overhead and lets the benchmark be more focused on what it is
supposed to measure.
Refs: #34512 (comment)
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passes