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Self-contained, compact, compiled, fast, ready to use.

SBCL is not compact and its "image" concept is not universally liked by everyone.

Guile and Racket are not fast (nor compact).

Chez Scheme is not "ready to use".

In many benchmarks, Racket is significantly faster than many other Scheme implementations, including Chicken: https://ecraven.github.io/r7rs-benchmarks/ This is because it is now based on Chez.

It is certainly not compact, though.

Would be interesting to see how Crunch [0][1] does on that benchmark. Any plans to add it to the benchmark?

[0] https://news.ycombinator.com/item?id=49252127

[1] https://wiki.call-cc.org/eggref/6/crunch

Racket may be significant faster than many, esp since transitioning to Chez, but its still very hard/problematic to compile to a binary, and if wrapped into a binary still very bloated in size.

FWIW: I enjoy working with Gambit, especially since it can compile to C and standalone binaries and also scores even higher than Racket.

Well, SBCL can just use sources just fine. On Guile not being fast enough, it got a JIT since version 3 and it can be pretty fast. It must be, you know, because if not Guix would be even slower.

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