Andy Wingo | Igalia - Open Source Consultancy and Development

Andy Wingo

Andy Wingo

Hacker.

North Carolina (USA)

I enjoy practicing aikido in my free time – and hacking, of course!

POSTS

Jan 5, 2026

pre-tenuring in v8

Hey hey happy new year, friends! Today I was going over some V8 code that touched pre-tenuring: allocating objects directly in the old space instead of the nursery. I knew...

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Nov 13, 2025

the last couple years in v8's garbage collector

Let’s talk about memory management! Following up on my article about 5 years of developments in V8’s garbage collector, today I’d like to bring that up to date with what...

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Oct 30, 2025

wastrel, a profligate implementation of webassembly

Hey hey hey good evening! Tonight a quick note on wastrel, a new WebAssembly implementation.a wasm-to-native compiler that goes through cWastrel compiles Wasm modules to standalone binaries. It does so...

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Jul 8, 2025

guile lab notebook: on the move!

Hey, a quick update, then a little story. The big news is that I got Guile wired to a moving garbage collector!Specifically, this is the mostly-moving collector with conservative stack...

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Media

Wingo on Wasm

Sep 2, 2025 Transcript & Links

The Whippet Embeddable Garbage Collection Library

The Whippet Embeddable Garbage Collection Library

Apr 10, 2025

Toots

it pleases me when a git commit id starts with caca

annoyed that 32 cores of compiler still take 15 minutes to build v8.

sometimes when i have had enough of hard truth i like to look at my web site’s access logs. every...

new year, new bloggies: on pre-tenuring in v8 https://wingolog.org/archives/2026/01/05/pre-tenuring-in-v8

Commits

[Chromium V8] [platform][api] Refactor PlatformSharedMemoryHandle. Avoid possibility of type confusion with in...

[Chromium V8] [platform] Remove default values for parameters of virtual overrides These implementations shoul...

[Chromium V8] [isolate-groups] Free code range before reservation is freed In pointer-compression configuratio...

[Chromium V8] [isolate-groups] Attach CodeRange to IsolateGroup, not process For multi-cage configurations, we...