On Thu, Jul 4, 2024 at 2:50 AM Emanuel Ziegler <ecmzieg...@chromium.org> wrote:
> Dear API owners, > > We would like to request an extension of the origin trial for Wasm JS > String Builtins > <https://developer.chrome.com/origintrials/#/view_trial/2142587522721513473>. > There were recent changes to the initialization of string constants > (implicit imports) which improved startup time and binary size on local > measurements. > > We would like to use the experiment to verify the viability of this change > in the wild (effect on load and startup times) and upcoming changes to it > (variable import namespace for greater flexibility). Sheets/J2Wasm > already implemented the first part and wants to roll it out to users in the > next weeks as part of the origin trial. > > The proposal is progressing well along the requested dimensions > > - Draft spec (early draft is ok, but must be spec-like and associated > with the appropriate standardization venue, or WICG) > - The proposal continues to be actively maintained and changed with > plenty of community engagement. > - Recent changes mostly affected string constants and their > initialization. > > To me, the proposal document does not seem very "spec-like", but instead like an explainer. Is there a formal specification available? > > - TAG review (see exceptions > <https://www.chromium.org/blink/guidelines/api-owners/process-exceptions/> > ) > - A TAG review has been requested > <https://github.com/w3ctag/design-reviews/issues/940> and is > scheduled for discussion. > - bit.ly/blink-signals requests > - Firefox/SpiderMonkey is actively working on their prototype and > the champion behind this proposal. > - Safari/JSC expressed openness to the proposal but no official > confirmation yet. > - Outreach for feedback from the spec community > - The proposal (including string constant changes) was voted to > phase 3 at the on-site Wasm CG meeting on June 5 with unanimous consent. > - WPT tests > - WPTs will likely be added based on the already existing JS API > tests in the proposal repository > > <https://github.com/WebAssembly/js-string-builtins/tree/main/test/js-api/js-string> > (see GitHub issue 33 on the proposal repository > <https://github.com/WebAssembly/js-string-builtins/issues/33> on > this question). > > Is there anything preventing you from upstreaming those tests to the web platform tests repository now? > More details on some of these items can be found in the updated > experiment summary > <https://docs.google.com/document/d/1zL9goDsawTQUFuuQ8ddI_pUcLY1_iFOsHaDZ374dnGw/edit> > . > > Thank you, > Emanuel > > > Contact emailsecmzieg...@chromium.org, jkumme...@chromium.org, > ad...@chromium.org > > ExplainerNone > > Specification > https://github.com/WebAssembly/js-string-builtins/blob/main/proposals/js-string-builtins/Overview.md > > Summary > > This feature exposes common JS string operations for easy import into > WebAssembly and optimizations thereof. This allows creating and > manipulating JS strings from WebAssembly without native support within > WebAssembly while still allowing for a similar performance as native string > references. The mechanism works by exposing suitably strict versions of JS > string operations in the WebAssembly JS API. These can be imported by > modules using externref as a generic data type for storing the strings. The > engine can identify that these imports can be represented by native graph > operators without the need for calling into JS. This leads to a comparable > peak performance as native string operations while allowing quick > interoperability with JS since no copying at the boundary is required when > calling into arbitrary JS functions that consume strings. > > > Blink componentBlink>JavaScript>WebAssembly > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EJavaScript%3EWebAssembly> > > TAG reviewNone > > TAG review statusPending > > Chromium Trial NameWebAssemblyJSStringBuiltins > > Link to origin trial feedback summary > https://docs.google.com/document/d/1zL9goDsawTQUFuuQ8ddI_pUcLY1_iFOsHaDZ374dnGw/edit?usp=sharing > > Origin Trial documentation link > https://github.com/WebAssembly/js-string-builtins/blob/main/proposals/js-string-builtins/Overview.md > > Risks > > > Interoperability and Compatibility > > None > > > *Gecko*: Positive > > *WebKit*: No signal ( > https://github.com/WebKit/standards-positions/issues/343) > > *Web developers*: No signals > > *Other signals*: > > WebView application risks > > Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications? > > None > > > Goals for experimentation > > > > Ongoing technical constraints > > None > > > Debuggability > > None > > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?Yes > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> > ?No > > Flag name on chrome://flagsNone > > Finch feature nameNone > > Non-finch justificationNone > > Requires code in //chrome?False > > Estimated milestones > Origin trial desktop first 119 > Origin trial desktop last 127 > Origin trial extension 1 end milestone 127 > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/6695587390423040?gate=5106659883220992 > > Links to previous Intent discussionsIntent to Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPAU7RyzxKa0Pj6q7B_jyfT%3DH%2BSK264%3Dx8wn1ans%3D8UjHRhctQ%40mail.gmail.com > Intent to Extend Experiment 1: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPAU7RyYPNTcmt1uHe279qW46ff3S%3DZ-M%3DHZjKn%3DK%2Bgp_0DyZw%40mail.gmail.com?utm_medium=email&utm_source=footer > Intent to Ship: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPAU7RyYPNTcmt1uHe279qW46ff3S%3DZ-M%3DHZjKn%3DK%2Bgp_0DyZw%40mail.gmail.com?utm_medium=email&utm_source=footer > > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to blink-dev+unsubscr...@chromium.org. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPAU7RzGQhi3m4g_rTQt79LFFz6mdmT%3D8YRVomA4UwAVcZQtrA%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPAU7RzGQhi3m4g_rTQt79LFFz6mdmT%3D8YRVomA4UwAVcZQtrA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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