I'm pretty impressed that the @typelevel Scala compiler gives Magnolia 20% extra performance; which is more than it benefits Kittens.
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Comparison of compile times of Magnolia vs Shapeless/Kittens deriving Show typeclass x50, on different Scala compilers, Scalac cold to warm.pic.twitter.com/DHgBoALMfb
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Interesting also that Scala 2.12 vs 2.11 seems to be a much greater benefit to Magnolia (1.9x faster) than to Kittens (a touch slower).
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Ha! It starts with a cold JVM, and shows the first 25 iterations. I'm using scalac -Xresident, and timing each compilation with... a script!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Sheesh, this code is a macro runing inside Scalac... it's like level -3 ("Lukewarm Sloth") on the Fantasyland Standardized Ladder of FP!
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(But the code it expands to is quite sound!)
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wow, I am curious if you have the code somewhere?
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