Intent to ship: WebAssembly Relaxed SIMD proposal
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Yury Delendik
Oct 7, 2025, 1:32:54 PM (2 days ago) Oct 7
to dev-pl...@mozilla.org
The Relaxed SIMD proposal adds a set of WebAssembly SIMD instructions
that introduce local non-determinism to increase performance of
certain operations.
The implementation is tracked by the
https://bugzilla.mozilla.org/show_bug.cgi?id=1706922 and will be
enabled by default in
https://bugzilla.mozilla.org/show_bug.cgi?id=1930192.
The proposal is introduced at
https://github.com/WebAssembly/relaxed-simd and is a part of the
latest draft of the WebAssembly specification. The proposal includes
the testsuite that will eventually be the part of WPT; the up-to-date
Wasm testsuite is already part of the JS engine tests.
that introduce local non-determinism to increase performance of
certain operations.
The implementation is tracked by the
https://bugzilla.mozilla.org/show_bug.cgi?id=1706922 and will be
enabled by default in
https://bugzilla.mozilla.org/show_bug.cgi?id=1930192.
The proposal is introduced at
https://github.com/WebAssembly/relaxed-simd and is a part of the
latest draft of the WebAssembly specification. The proposal includes
the testsuite that will eventually be the part of WPT; the up-to-date
Wasm testsuite is already part of the JS engine tests.
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