Ruby 3.2’s YJIT is Production-Ready

Post by ezekg » Mon, Jan 23, 2023, 10:34 PM UTC

byroot wrote: post #210

ezekg wrote: post #136

Earlier quoted context omitted.

I wonder if YJIT actually did decrease infrastructure costs for Shopify, seeing as it requires ~3x more memory. For my business, it’s come out about even. But a >30% decrease in response time is worth it, for me at least. I run many small servers (2 processes each), but IIRC, Shopify runs beefy servers. So may be different for them.

> as it requires ~3x more memory. Not sure were you've seen this, but that's absolutely not normal. The YJIT memory overhead is certainly sizeable, but is generally at least an order of magnitude smaller than that.

Post by igouy » Fri, Jan 27, 2023, 1:38 AM UTC

gvalkov wrote: post #67

maxime_cb wrote: post #20

Earlier quoted context omitted.

If you believe the language benchmark game, Ruby is faster than Python on many of the microbenchmarks: https://benchmarksgame-team.pages.debian.net/benchmarksgame/... And the benchmark game is using Ruby 3.1, whereas 3.2 is significantly faster. YMMV though, it is going to depend on your use case, but we are always working on making Ruby faster, and if you run into a use case where Python is a lot faster, you can pin…

Python 3.11 also claims [1] to be 10-60% faster than 3.10, which is the version that the benchmarks game is using at this time. The difference in used RSS is also quite interesting in this comparison. [1]: https://docs.python.org/3/whatsnew/3.11.html#whatsnew311-faster-cpython