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Syed Faraaz Ahmad

@eregon How come CRuby does this (considerably) faster than TruffleRuby?

MRI 3.3.0-preview1 completes this in under 4 seconds.

TruffleRuby 23.0.0 Native takes around 60 seconds.

I'm unable to wrap my head around this

Oct 11, 2023, 07:13 PM·Public
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Benoit Daloze

@faraaz That sounds like a performance bug, it could be in prism or TruffleRuby. Prism uses FFI + pure-Ruby deserialization on non-CRuby so that part could be slower than the C ext on CRuby, but it was fairly close last time I looked IIRC. Could you open a TruffleRuby issue with reproduction instructions? Also you might want to try 23.1.0, 23.0 is not the latest release.

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