[webkit-dev] Request for position: WebAssembly Relaxed SIMD

Deepti Gandluri gdeepti at chromium.org
Wed Jun 15 16:11:01 PDT 2022

Hi webkit-dev,

The WebAssembly Relaxed SIMD proposal introduces new vector operations that
take advantage of widely available instruction sets to accelerate compute
workloads. The proposal relaxes the strict portability constraints of
the fixed-width
SIMD proposal
<https://github.com/WebAssembly/simd/tree/master/proposals/simd>. We're
hoping to ship this in Chrome 105/106 contingent on a Phase 4
at Phase 3) vote in the Wasm CG, requesting a WebKit position for the

Proposal: https://github.com/WebAssembly/relaxed-simd
Spec: https://github.com/WebAssembly/relaxed-simd/tree/main/document/core
Implementation status (V8, SpiderMonkey):
Preliminary performance data that motivated the proposal:

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