Today (well, yesterday actually) I realized that e...
# compilera
Alexander Maryanovsky
08/04/2022, 3:40 PMToday (well, yesterday actually) I realized that every lambda and function reference is compiled (for the JVM) into a separate class, and this slows down app startup.
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hfhbd
08/04/2022, 3:46 PMDid you try this feature? https://kotlinlang.org/docs/whatsnew15.html#lambdas-via-invokedynamic
a
Alexander Maryanovsky
08/04/2022, 4:04 PMI’ll give it a try, but it sounds like it will be even slower at runtime, just with a smaller jar size.
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Zac Sweers
08/04/2022, 4:49 PMit sounds like it will be even slower at runtimecitation needed?
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Alexander Maryanovsky
08/04/2022, 4:50 PMJust a hunch. Hope it's wrong.
Alexander Maryanovsky
08/04/2022, 5:49 PMOk, so the number of classes did go down significantly from ~1250 to ~750. Interestingly, this eliminates lambda classes, but method references are still compiled to a class.
No noticeable change in startup performance, though.
m
mcpiroman
08/04/2022, 6:04 PMa
Alexander Maryanovsky
08/04/2022, 7:39 PMYes, sad that they decided to go with option C.
I think once this is enabled by default (and non-experimental), there will be much more pressure to apply it to function references too.
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