Viewing profile — tekknolagi

Please feel free to open a PR. I'm a bit AFK

See also https://github.com/nedbat/byterun and https://github.com/rocky/x-python

Damn. I wish I thought of that.

I will add "compiler" before "optimizer" and link to the toy optimizer series

Oh hi! Thanks for posting. As I wrote this I wasn't sure if it was enough of a post. Let me know if you wanted to hear about anything else that seemed missing.

You may enjoy https://github.com/ludocode/onramp

As I said on Lobsters as well, this is a superb overview.

https://bernsteinbear.com I write about programming languages and compilers

YJIT and ZJIT don't use method annotations.

Yes; see the first ZJIT blog post. https://railsatscale.com/2025-05-14-merge-zjit/

In that scenario, what would you hope to get out of the LBBV?

If all you're doing is summing small integers---frequently the case---it's much preferable to optimize that to be fast and then skip the very dynamic method lookup (the slower, les…

YJIT is not deprecated. That word has a specific meaning in Ruby. You can continue to use YJIT. With any luck, this performance in the next year or two will be enough to make it a …

Earnestly: why are you annoyed? I tried to make it clear that you don't have to make any changes. If you want, you can try ZJIT (which should not be anything other than a one chara…

In this case, we used to abort (i.e. abort(); intentionally crash the entire process) but now we jump into the interpreter to handle the dynamic behavior. If someone writes dynamic…

It's a "teach people how to teach themselves to fish" class

You'll never guess what we talk about later on in the unit. Spoiler: exactly that! It notionally focuses on make but the concepts apply much more broadly than the one specific tool…

The schedule is generated from a Python script, but doesn't involve YAML