Andy Wingo

Hacker.

North Carolina (USA)

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

POSTS

May 22, 2025

whippet lab notebook: guile, heuristics, and heap growth

Greets all! Another brief note today. I have gotten Guile working with one of the Nofl-based collectors, specifically the one that scans all edges conservatively (heap-conservative-mmc / heap-conservative-parallel-mmc). Hurrah!It was...

May 9, 2025

a whippet waypoint

Hey peoples! Tonight, some meta-words. As you know I am fascinated by compilers and language implementations, and I just want to know all the things and implement all the fun...

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...

Media

The Whippet Embeddable Garbage Collection Library

Apr 10, 2025

Toots

May 27, 2025

i did not know about llvm’s -ftime-trace, looks very neat https://clang.llvm.org/docs/analyzer/developer-docs/PerformanceInvestigation.html

May 22, 2025

a new lab notebook entry, in which our protagonist wrestles with how to size fragmented heaps https://wingolog.org/archives/2025/05/22/whippet-lab-notebook-guile-heuristics-and-heap-growth

May 15, 2025

a brief lab notebook entry: in which guile no longer uses the bdw-gc api https://wingolog.org/archives/2025/05/15/guile-on-whippet-waypoint-goodbye-bdw-gc

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: guile, heuristics, and heap growth

a whippet waypoint

whippet lab notebook: untagged mallocs, bis

whippet lab notebook: on untagged mallocs

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