Jan Voříšek
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Write-ups on solvers, shaders, WebAssembly and the prototypes in between.
001
2026-10-08
Threaded WebAssembly doesn't crash. It hangs.
I loaded an Emscripten pthreads build in Chromium, Firefox and WebKit under every isolation-header setup. Seven of twelve hung, and not one rejected. Why each one hangs, how to detect it in milliseconds, and a loader that falls back instead of freezing.
wasm · emscripten · pthreads · performance