This is a great list of influences on the design (from the article comments where the prototype author Sam Gross responded to someone wishing for more cross pollination across language communities):
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"… but I'll give a few more examples specific to this project of ideas (or code) taken from other communities:
- Biased reference counting (originally implemented for Swift)
- mimalloc (originally developed for Koka and Lean)
- The interpreter took ideas from LuaJIT and V8's ignition interpreter (the register-accumulator model from ignition, fast function calls and other perf ideas from LuaJIT)
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"… but I'll give a few more examples specific to this project of ideas (or code) taken from other communities:
- Biased reference counting (originally implemented for Swift)
- mimalloc (originally developed for Koka and Lean)
- The design of the internal locks is taken from WebKit (https://webkit.org/blog/6161/locking-in-webkit/)
- The collection thread-safety adapts some code from FreeBSD (https://github.com/colesbury/nogil/blob/nogil/Python/qsbr.c)
- The interpreter took ideas from LuaJIT and V8's ignition interpreter (the register-accumulator model from ignition, fast function calls and other perf ideas from LuaJIT)
- The stop-the-world implementation is influenced by Go's design (https://github.com/golang/go/blob/fad4a16fd43f6a72b6917eff65... )"