On Tue, Mar 5, 2024 at 5:56 AM Mike Taylor <miketa...@chromium.org> wrote:
> > On 3/5/24 6:57 AM, Mandy, Arnaud wrote: > > Contact emails > > kenneth.r.christian...@intel.com, arnaud.ma...@intel.com, > wei4.w...@intel.com, raphael.kubo.da.co...@intel.com > > Explainer > > https://github.com/w3c/compute-pressure/blob/main/README.md > > Specification > > https://www.w3.org/TR/compute-pressure > > Summary > > The Compute Pressure API offers high-level states that represent the > pressure on the system. It allows the implementation to use underlying > hardware/platform metrics to inform the API users of possible stress (high > CPU load at the moment) on the system and consequently take the corrective > actions needed. > > “Pressure” is a generic term by design – at the moment it is calculated > based on CPU load, but future plans include using signals from temperature > and battery status, for example. > > https://developer.chrome.com/docs/web-platform/compute-pressure/ > > Blink component > > Blink>PerformanceAPIs>ComputePressure > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EPerformanceAPIs%3EComputePressure> > > Search tags > > compute pressure > <https://chromestatus.com/features#tags:compute%20pressure> > > TAG review > > spec review: https://github.com/w3ctag/design-reviews/issues/795 > > wide review tracker: https://github.com/w3c/compute-pressure/issues/177 > > TAG review status > > Issues addressed > > Chromium Trial Name > > ComputePressure > > Origin Trial documentation link > > https://developer.chrome.com/docs/web-platform/compute-pressure/ > > Origin Trials history > > The first Origin Trial > <https://groups.google.com/u/1/a/chromium.org/g/blink-dev/c/HzVV-sM97T0/m/3pQ311KHAAAJ> > was > run between M92-94. > > The Compute Pressure API was widely redesigned after this OT to resemble > existing observer-based web APIs and also to provide better privacy and > security guarantees after discussions with PING. > > The second Origin Trial > <https://groups.google.com/a/chromium.org/g/blink-dev/c/QfJ4pngu3gc> took > place during M115-M120. > During this origin trial we realized that the full capacity of the API > couldn’t be tested due to a lack of support for third-party tokens. An Origin > Trial extension > <https://groups.google.com/a/chromium.org/g/blink-dev/c/s83S7wXxa6E/m/AjvsIJxmAQAJ> > was > necessary until M123. > > Is there any developer feedback that can be shared from the origin trials? I'm looking for signals that developers have been able to improve user experiences by using the new signals. > > Risks Interoperability and Compatibility > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/521) > > Can you add a comment to this issue pointing to this I2S, and any relevant > changes since the original issue was opened? > > > *WebKit*: Negative ( > https://lists.webkit.org/pipermail/webkit-dev/2021-May/031845.html) This > issue has been taken into account: > https://github.com/w3c/compute-pressure/issues/24 > > https://github.com/w3c/compute-pressure/issues/24#issuecomment-1022516116 > suggests asking for re-review once issue 24 is settled (at least that's my > interpretation). Do you know if that ever happened? > > > *Web developers*: Positive ( > https://github.com/w3c/compute-pressure/issues/14) > > *Other signals*: > > Security > > https://github.com/w3c/compute-pressure/issues/79 > > WebView application risks > > No > > Debuggability > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)? > > No, > Windows, Linux, ChromeOs, Mac. > > Support on Android (incl. Android WebView) has been deprioritized as > there is no current way to access the telemetry needed after Android 11, > and the current partners we are engaging with have no need as they are > using native solutions on Android at this point. > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> > ? > > Yes > https://wpt.fyi/results/compute-pressure?run_id=5116280230641664 > > The wpt.fyi results are flaky due to WPT bug 44438 > <https://github.com/web-platform-tests/wpt/issues/44438> > > DevTrial instructions > > https://github.com/w3c/compute-pressure/blob/main/HOWTO.md > > Flag name on chrome://flags > > see https://github.com/w3c/compute-pressure/blob/main/HOWTO.md > > Finch feature name > > None > > Non-finch justification > > None > > Requires code in //chrome? > > False > > Tracking bug > > https://crbug.com/1067627 > > Launch bug > > https://crbug.com/1173266 > > Sample links > https://w3c.github.io/compute-pressure/demo > > Estimated milestones > > OriginTrial desktop extension > > 123 > > OriginTrial desktop last > > 118 > > OriginTrial desktop first > > 115 > > OriginTrial desktop last > > 94 > > OriginTrial desktop first > > 92 > > DevTrial on desktop > > 109 > > Anticipated spec changes > > None > > Link to entry on the Chrome Platform Status > > https://chromestatus.com/feature/5597608644968448 > > Links to previous Intent discussions > > Intent to prototype: > https://groups.google.com/a/chromium.org/g/blink-dev/c/LTIRZ24C5Os/m/BPSeJ8y0BwAJ > > Ready for Trial: > https://groups.google.com/u/1/a/chromium.org/g/blink-dev/c/-1ciwdn23J4 > > Intent to Experiment: > https://groups.google.com/a/chromium.org/g/blink-dev/c/QfJ4pngu3gc > > Intent to Experiment: > https://groups.google.com/a/chromium.org/g/blink-dev/c/HzVV-sM97T0 > > Intent to Extend Experiment: > https://groups.google.com/a/chromium.org/g/blink-dev/c/s83S7wXxa6E/m/AjvsIJxmAQAJ > > > 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/DS0PR11MB7902DDE9FBF54F29CFD8312593222%40DS0PR11MB7902.namprd11.prod.outlook.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/DS0PR11MB7902DDE9FBF54F29CFD8312593222%40DS0PR11MB7902.namprd11.prod.outlook.com?utm_medium=email&utm_source=footer> > . > > -- > 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/68e05b3e-18c8-4330-8b67-b55cbd5bfdb1%40chromium.org > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/68e05b3e-18c8-4330-8b67-b55cbd5bfdb1%40chromium.org?utm_medium=email&utm_source=footer> > . > -- 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/CAEmk%3DMaeM0B-mmgK5DO_a57WbRzf3BBkK724QJL5%3DqG5NFxgOA%40mail.gmail.com.
