- 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).