Record · corpus.blog/posts/01a087af-246e-7128-b098-c496cbfa41cd

The serde optimization gauntlet: Wasm and arenas

Nick Babcock · published 4 October 2025

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https://github.com/alexcrichton/dlmalloc-rs

github.com

https://developer.mozilla.org/en-US/docs/WebAssembly/Reference/JavaScript_interface/Memory/grow

developer.mozilla.org

https://bench.nickb.dev/allocation

bench.nickb.dev

https://github.com/SFBdragon/talc

github.com

https://crates.io/crates/bump-scope

crates.io

https://raw.githubusercontent.com/rakaly/jomini/refs/heads/master/jomini_derive/src/lib.rs

raw.githubusercontent.com

https://www.reddit.com/r/rust/comments/1jlopns/turns_out_using_custom_allocators_makes_using/

reddit.com

https://issues.chromium.org/issues/40820451

issues.chromium.org

https://developer.chrome.com/blog/wasm-debugging-2020

developer.chrome.com

Arenas Read at the source ↗

donsz.nl

A Fast, Growable Array With Stable Pointers in C Read at the source ↗

danielchasehooper.com

https://docs.rs/oxc_allocator/latest/oxc_allocator/struct.Allocator.html

docs.rs

https://docs.rs/compact_arena/latest/compact_arena/index.html

docs.rs

https://lucumr.pocoo.org/2021/11/14/abusing-serde/

lucumr.pocoo.org

https://doc.rust-lang.org/std/macro.thread_local.html

doc.rust-lang.org

Default musl allocator considered harmful (to performance) Read at the source ↗

nickb.dev

https://github.com/purpleprotocol/mimalloc_rust/issues/76

github.com

https://github.com/serde-rs/serde/blob/179954784683f35942ac2e1f076e0361b47f8178/serde_derive/src/de.rs

github.com

The dark side of inlining and monomorphization Read at the source ↗

nickb.dev

https://github.com/serde-rs/serde/issues/2204

github.com

The power of interning: making a time series database 2000x smaller in Rust Read at the source ↗

gendignoux.com

Wasm's curious word size and the SWAR advantage Read at the source ↗

nickb.dev

https://oxc.rs/docs/learn/performance.html

oxc.rs

https://github.com/bluurryy/bump-scope/discussions/108

github.com

https://github.com/alexcrichton/dlmalloc-rs/blob/f7118f74af4942a638683c276381d6ca4edcc34e/src/dlmalloc.rs

github.com

https://stackoverflow.com/a/51989727/433785

stackoverflow.com

https://microsoft.github.io/rust-guidelines/guidelines/apps/index.html

microsoft.github.io