Andy Wingo

Hacker.

North Carolina (USA)

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

POSTS

Mar 7, 2025

whippet lab notebook: untagged mallocs, bis

Earlier this week I took an inventory of how Guile uses the Boehm-Demers-Weiser (BDW) garbage collector, with the goal of making sure that I had replacements for all uses lined...

Mar 4, 2025

whippet lab notebook: on untagged mallocs

Salutations, populations. Today’s note is more of a work-in-progress than usual; I have been finally starting to look at getting Whippet into Guile, and there are some open questions.inventoryI started...

Feb 14, 2025

tracepoints: gnarly but worth it

Hey all, quick post today to mention that I added tracing support to the Whippet GC library. If the support library for LTTng is available when Whippet is compiled, Whippet...

Feb 10, 2025

whippet at fosdem

Hey all, the video of my FOSDEM talk on Whippet is up: Slides here, if that’s your thing.I ended the talk with some puzzling results around generational collection, which prompted...

Media

The Whippet Embeddable Garbage Collection Library

Apr 10, 2025

Toots

Apr 9, 2025

for my tiny web site, i looked back and average monthly outflow around 2019 was 30-40 GB. it is now...

Apr 7, 2025

neat, translation verification for compiling javascript to turbofan in v8: https://dl.acm.org/doi/pdf/10.1145/3597503.3639189(apparently the compiler author’s full employment act extends to those...

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

whippet lab notebook: untagged mallocs, bis

whippet lab notebook: on untagged mallocs

tracepoints: gnarly but worth it

whippet at fosdem

Media

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)

Follow me

POSTS

Media

Toots

Commits