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A multi-entry CFG design conundrum(opens in new tab)

Background and bytecode design The ZJIT compiler compiles Ruby bytecode (YARV) to machine code. It starts by transforming the stack machine bytecode into a high-level graph-based intermediate representation called HIR. We use a more or less typical1 control-flow graph (CFG) ...

#466: PSF Lands $1.5 million(opens in new tab)

Topics covered in this episode: Better Django management commands with django-click and django-typer PSF Lands a $1.5 million sponsorship from Anthropic How uv got so fast PyView Web Framework Extras Joke See the full show notes for this episode on ...

Pursuing the Algorithm(opens in new tab)

Pursuing the Algorithm diagram showing Current State to Desired State via the Outer Loop/images/the-last-algorithm-header.webp/images/the-last-algorithm-header.webp I just had a strange premonition that we're about to get ASI-like outcomes from AI in 2026, but not from a new model. It'll be from ...

AI Has an Image Problem(opens in new tab)

I spent 2025 going from skeptical to genuinely excited about AI tools. My non-tech friends and family spent 2025 learning to hate them. The AI industry has fumbled this introduction so badly that we've turned a useful set of tools ...

Words I Live By(opens in new tab)

Over 10 years ago, I put together a self “liturgy” of sorts (basically just a prayer) that I love reading. It takes a bunch of my favorite verses but changes them to the first-person perspective. There’s something about first person ...