Tag: #wasm

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• Seeing TCP Congestion Control — CUBIC, BBRv3, and a gVisor Netstack Running in Your Browser

  On July 28, 2026, "Simulating TCP loss and congestion in browser using Go/WASM" went up on Hacker News. It builds two entire copies of the gVisor netstack to WebAssembly, runs them in browser workers, and puts a bottlene

  2026-07-31 · 16 min read #network#tcp#congestion-control#bbr#wasm

• Simulating Systems in the Browser — What WASM Makes Possible and What Still Blocks It

  ccsim, posted to Hacker News in late July 2026, builds two full copies of gVisor's userspace TCP stack into WebAssembly and runs them in a browser worker. v86 JIT-compiles an x86 CPU to WASM to boot Windows 98, and WebVM

  2026-07-31 · 15 min read #webassembly#wasm#simulation#browser#systems

• Native Async in WASI 0.3 — Why wasi:io Disappeared, and What's Still Not Done

  On June 11, 2026, the WASI Subgroup ratified WASI 0.3.0. The core change is that async moved down into the Component Model's canonical ABI, and as a result the wasi:io package disappeared entirely. This matters not for p

  2026-07-16 · 19 min read #webassembly#wasm#wasi#component-model#systems

• Real Engines in Your Browser: A Tour of WebAssembly Dev Tools

  Real Python via Pyodide, real PostgreSQL via PGlite, real video processing via ffmpeg.wasm. A practical tour of the WebAssembly-powered, backend-free browser tools newly added to this site — why WASM delivers near-native

  2026-07-03 · 8 min read #webassembly#wasm#developer-tools#browser#tooling

• WebAssembly Beyond the Browser

  WebAssembly was born in the browser, but its real ambition is outside it. WASI, a POSIX-ish system interface; edge and serverless (Fastly, Cloudflare Workers); plugin systems in Envoy, Figma, and databases; and the compo

  2026-06-09 · 12 min read #webassembly#wasm#systems