Multi-threading on web

[emilk]

With a bit of work, one can spawn wasm32 threads in the browser with shared memory. Unfortunately, this requires a nightly compiler (for -Z build-std=std,panic_abort).

I think it could be fine for use to rely on the nightly compiler for just wasm32.

Reading

• https://github.com/rustwasm/wasm-bindgen/tree/main/examples/raytrace-parallel
• https://rustwasm.github.io/docs/wasm-bindgen/examples/raytrace.html
• https://twitter.com/rikarends/status/1626144062737620994
• https://www.tweag.io/blog/2022-11-24-wasm-threads-and-messages/
• https://twitter.com/RReverser/status/1608840842654908419
• https://github.com/GoogleChromeLabs/wasm-bindgen-rayon