Reilly, 

We do not have direct access (non-googlers) to the OT feedback 
unfortunately. 
We are working with our google contact to publish a summary.

On Tuesday, March 5, 2024 at 8:14:45 PM UTC+2 rei...@chromium.org wrote:

> On Tue, Mar 5, 2024 at 5:56 AM Mike Taylor <mike...@chromium.org> wrote:
>
>>
>> On 3/5/24 6:57 AM, Mandy, Arnaud wrote:
>>
>> Contact emails 
>>
>> kenneth.r.c...@intel.com, arnaud...@intel.com, wei4...@intel.com, 
>> raphael.ku...@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/>.
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