Re:Why Is JRuby Slow?
by lf-non on Saturday May 29, 2021 @01:13PM
(#27326684)
Yes, being possible and being performant are two very different things.
What I intended to convey in my previous comment was that using strategies like pre-compilation (eg. Spring EL) it is possible to get good performance even for dynamic logic not known at runtime.
So I was curious what was so dynamic about this use case that JVM performance drops down to pythonesque level.
I don't want to speculate - maybe there is something that JVM is unable to optimize; maybe it is something weird happening in the library; or maybe python has gotten really better in recent past or this use case was able to benefit from some python lib with native bindings.
What I intended to convey in my previous comment was that using strategies like pre-compilation (eg. Spring EL) it is possible to get good performance even for dynamic logic not known at runtime.
So I was curious what was so dynamic about this use case that JVM performance drops down to pythonesque level.
I don't want to speculate - maybe there is something that JVM is unable to optimize; maybe it is something weird happening in the library; or maybe python has gotten really better in recent past or this use case was able to benefit from some python lib with native bindings.