Post

For years, the performance ceiling in the browser has been clear: the CPU. WebGPU changes that. 🧵 It’s not a library or a framework. It’s a browser API that gives direct access to the device’s GPU, enabling a level of parallelism the CPU cannot match. #WebPerf #WebGPU

9/4/26, 6:25 pm3 reposts6 likes

Joan León

@nucliweb.net

9 Apr

The numbers on a 1920×1080 image: - WebAssembly (SIMD): ~50–80ms - WebGPU: ~8ms

Joan León

@nucliweb.net

9 Apr

Support is already solid: ✅ Chrome 113+, Safari 18+, iOS 18+, Chrome Android 121+ 🧪 Firefox (experimental)

Joan León

@nucliweb.net

9 Apr

Just published the first article of a series. Covers what WebGPU is, CPU vs GPU for performance, and when to use it (vs WebAssembly). Next: image processing, ML inference, and real-time video, with real code and benchmarks. 👉 joanleon.dev/en/webgpu-br... #WebPerformance #WebGPU #JavaScript

joanleon.devWebGPU: the browser's new performance engine | Joan LeónWebGPU exposes the GPU directly to the browser, opening new possibilities for intensive processing: images, video, ML, and more.