These are just an unofficial run of the benchmarks of my laptop, for Gerbil v0.18 and Racket v8.6. I did it out of curiousity, as ecraven’s benchmarks seem unmaintained these days.
Take them with a grain of salt; this is vanilla Scheme code, not idiomatic optimized Gerbil code which can be significantly faster. I surmize Racket optimized code would be faster too.
You can see them rendered in https://vyzo.github.io/r7rs-benchmarks/