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

Feb 6, 2026

ahead-of-time wasm gc in wastrel

Hello friends! Today, a quick note: the Wastrel ahead-of-time WebAssembly compiler now supports managed memory via garbage collection!hello, worldThe quickest demo I have is that you should check out and...

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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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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

you have probably heard that webassembly supports garbage collection. are you looking for an ahead-of-time compiler for wasm with gc?...

feeling very grandfatherly this fosdem, seeing things people built on stuff that i wrote and abandonedwait does this say something...

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...