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How does this stack up against all the other popular Lisp variants out there?

For Schemes, see http://ecraven.github.io/r7rs-benchmarks/benchmark.html — my takeaway:

- Performance: Guile 2.2.0 is halfways between the medium-speed Schemes and the high-performance Schemes. On par with Larceny, MIT, chicken and bigloo (and racket IIRC, but that’s missing in the benchmarks right now).

- Compatibility: Guile 2.2.0 is among the 10 most complete r7rs Schemes, missing only circular lists (the other failed task succeeds when allowing a longer task time).

Notably, they were able to achieve this performance with bytecode interpreter. Unlike other mentioned Scheme implementations, Guile does not use a native compiler (neither JIT nor AOT).

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