Comment by runevault
13 hours ago
It is interesting seeing more and more GCed ecosystems become aggressive about allowing code to stack allocate more. Watching dotnet go through it since I think Core 2.1, or whenever they introduced Span<T>, Memory<T>, etc to get significant performance gains has been nice to track.
GCed languages do not have to be slow if you keep the garbage to only where it is necessary (or where you can allocate once and never collect).
This was pretty common in the 1980's-90's, for some strange reason, maybe due to Java and scripting languages, there is this mentality that having a GC means no stack allocations.
Lisp Machines dialects (Genera, TI, Xerox) had primitives for stack allocation.
Them we had Cedar, CLU, Oberon and all its descendants, Modula-2+, Modula-3, Eiffel, Sather, and probably others during the last century.
Ironically the final design for Valhala in Java seems to be quite close to Eiffel already had in 1986.