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Re:LuaJIT: New Garbage Collector (2012) by icebraining on Saturday December 03, 2016 @08:34PM (#13098340)
Mike Pall said,

Well, nothing really. It's just a matter of engineering, i.e. man-years put into the VM and the compiler.

He has a few posts on Reddit regarding this subject: https://www.reddit.com/user/mikemike

Re:LuaJIT: New Garbage Collector (2012) by Veedrac on Sunday December 04, 2016 @10:50AM (#13100305)
That quote was in context of

What in your opinion keeps LuaJITs performance away from C/C++, i.e. what other "hard" things need to be solved?

Re:LuaJIT: New Garbage Collector (2012) by omginternets on Wednesday December 07, 2016 @03:52PM (#13126105)
TBH that was the spirit of my question. I was wondering if there was something special about Lua (the language), and it seems like the answer is a resounding "no".

So basically, I should donate to pypy...

Re:LuaJIT: New Garbage Collector (2012) by Veedrac on Thursday December 08, 2016 @04:09AM (#13129256)
I'm not sure I could call that "resounding" - for one a PyPy dev disagreed with him in a sibling thread.

> Yes, you can go a long way without extra APIs etc, but sometimes there is info that's available, that's simply not there, because it's only in a programmers head.

https://www.reddit.com/r/programming/comments/19gv4c/why_pyt...