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Re:Chris Lattner on garbage collection vs. Automatic Referen... by iscoelho on Saturday April 23, 2022 @11:40PM (#31141108)
1. LuaJIT can be faster than C due to optimizations regarding function calls.

2. GC is LuaJIT's greatest weakness [1] (It is very slow) - Most high performance projects disable it and only use C FFI allocations.

[1] http://wiki.luajit.org/New-Garbage-Collector

LuaJIT 3.0 (which will have the new garbage collector) also has no ETA and is not in development.

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