For what it's worth, I ran my own benchmark on Racket 8.0 and Racket 8.0.10 (current), and current is between 50 and 100% faster for certain operations. There must have been some optimizations done recently to current.
Dex On Tuesday, March 2, 2021 at 9:37:29 AM UTC+1 [email protected] wrote: > I previously came out with a version that converts a BF program directly > into a module, which has received some optimization contributions from > Matthew Flatt. > Got some pretty good results. > > Execute bench.b in cpu time: 1542 ms, (2.2s include compile time). > > And mandel.b in cpu time: 3851 ms, (7s include compile time). But you have > to manually "export PLT_CS_COMPILE_LIMIT=100000" environment variable in > order to get compiled and executed properly. > > https://gist.github.com/sleepnova/92d7b2a7f077e7de76da4ce31f60335e > > [email protected] <[email protected]> 於 2021年3月1日 週一 下午3:39寫道： > >> There’s this benchmark on BF interpreter where the Racket >> <https://github.com/kostya/benchmarks/blob/master/brainfuck/bf.rkt> and Chez >> Scheme <https://github.com/kostya/benchmarks/blob/master/brainfuck/bf.ss> >> implementations are very similar, but Chez Scheme is much faster than >> Racket 8.0 at interpreting bench.b >> <https://github.com/kostya/benchmarks#benchb> (3s vs 8s) and mandel.b >> <https://github.com/kostya/benchmarks#mandelb> (40s vs 136s). >> >> There’s the “Racket (Syntax Object) >> <https://github.com/kostya/benchmarks/blob/master/brainfuck/bf-syntax.rkt#L75>” >> >> variant that directly parses BF’s syntax into Racket syntax object, which >> is faster (3.7s for bench, 82s for mandel), but still significantly behind >> Chez Scheme’s naive interpreter. >> >> Profiling doesn’t give very illuminating results, saying most of the cost >> is from interpreting BF’s loop instruction. >> >> Given that Racket is on Chez, could this benchmark reveal some low >> hanging fruit for improving Racket’s performance? >> >> -- >> > You received this message because you are subscribed to the Google Groups >> "Racket Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/racket-users/83b2819d-8295-4769-944d-fa0c155976dan%40googlegroups.com >> >> <https://groups.google.com/d/msgid/racket-users/83b2819d-8295-4769-944d-fa0c155976dan%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > - sleepnova > 呼叫小黃創辦人 & CEO > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/281c3e71-028e-4709-bc77-6f9956afadf1n%40googlegroups.com.
