1) The parent post linked to charts which "compare benchmarks across several languages". 2) The home page (click the banner) has links which compare benchmarks

1) The parent post linked to charts which "compare benchmarks across several languages". 2) The home page (click the banner) has links which compare benchmarks across two language implementations. 3) Each of those comparison pages has links which compare all the programs, for all the language implementations, for each benchmark.