Andy Wingo

Hacker.

North Carolina (USA)

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

POSTS

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...

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...

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...

Jun 11, 2025

whippet in guile hacklog: evacuation

Good evening, hackfolk. A quick note this evening to record a waypoint in my efforts to improve Guile’s memory manager.So, I got Guile running on top of the Whippet API....

Media

Wingo on Wasm

Sep 2, 2025 Transcript & Links

The Whippet Embeddable Garbage Collection Library

Apr 10, 2025

Toots

Nov 20, 2025

this is a fun bug: strictly granting permissions to write memory only to an explicit subset of memory requires LD_BIND_NOW...

Nov 14, 2025

for pl people of a certain age, we all dallied with rust 10 years ago, but now that we have...

Nov 14, 2025

“leap tiering” sounds way cooler than “hey fam let’s make sure all instances of a closure use the same code”...

Nov 13, 2025

new bloggery: a look back on the last couple years of developments in v8’s garbage collectorhttps://wingolog.org/archives/2025/11/13/the-last-couple-years-in-v8s-garbage-collector

Commits

Jul 4, 2024

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

Jul 1, 2024

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

Jun 28, 2024

[Chromium V8] [isolate-groups] Simplify non-pointer-compression configuration. NFC Without pointer compression...

Jun 25, 2024

Team

Andy Wingo

North Carolina (USA)

POSTS

the last couple years in v8's garbage collector

wastrel, a profligate implementation of webassembly

guile lab notebook: on the move!

whippet in guile hacklog: evacuation

Media

Wingo on Wasm

The Whippet Embeddable Garbage Collection Library

Toots

Commits

[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...

[Chromium V8] [isolate-groups] Simplify non-pointer-compression configuration. NFC Without pointer compression...

[Chromium V8] [isolate-groups] Without pointer compression, just one isolate group There is no sensible meanin...

Andy Wingo

North Carolina (USA)

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POSTS

Media

Toots

Commits