Update: We ended up experimenting with M106+, because there was a bug in the code in prior versions. The M106 Beta experiment has good results. We'll start the 1% Stable experiment this week.
On Tue, Aug 9, 2022 at 9:47 AM François Doray <fdo...@google.com> wrote: > Thanks! I started the 1% Stable experiment. I will share an overview of > the results in ~3 weeks. > > On Tue, Aug 9, 2022 at 4:21 AM Mike West <mk...@chromium.org> wrote: > >> IMO, this is somewhere on the border between a web-visible experiment and >> a pure expression of user agent preference regarding flexibility explicitly >> carved out in a standard. >> >> Rather than debating the feature's philosophical state, I'd simply treat >> this email as an Intent to Experiment from M104 (current stable) to M107, >> and give you an explicit LGTM. >> >> Additionally: it would be ideal for the experience you gather in this >> experiment to fold back into the spec as an "Implementation Consideration" >> that might help other implementers determine how to use the flexibility the >> spec provides. >> >> -mike >> >> >> On Fri, Aug 5, 2022 at 9:24 PM 'François Doray' via blink-dev < >> blink-dev@chromium.org> wrote: >> >>> +Scott Haseley <shase...@google.com> as an expert in this field. >>> >>> We would like to start experimenting with this intervention on 1% Stable >>> very soon. We've been experimenting on 50% of Beta for almost 2 months. The >>> results are encouraging and we aren't aware of negative Web developer >>> feedback. Do we need your LGTM to proceed? >>> >>> On Mon, Aug 1, 2022 at 3:45 AM Zhang, Jiahe <jiahe.zh...@intel.com> >>> wrote: >>> >>>> Contact emails >>>> >>>> jiahe.zh...@intel.com, fdo...@chromium.org >>>> >>>> >>>> Specification >>>> >>>> https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html >>>> >>>> >>>> Design docs >>>> >>>> >>>> >>>> https://docs.google.com/document/d/1WFyfKUUxqM7uKxKOGhLiOjyY6T7QRduVcuHN0f6vJkk/edit >>>> >>>> >>>> Summary >>>> >>>> Enter Intensive Wake Up throttling after 10 seconds if the page is >>>> fully loaded when it becomes hidden. Currently, wake ups from JS timers >>>> with a nesting level >= 5 are throttled to 1 per minute after the page has >>>> spent 5 minutes in the background [1], which is very conservative and was >>>> chosen to allow a launch of Intensive Wake Up Throttling with minimal >>>> regression risk. We're now planning to reduce this timeout to 10 seconds if >>>> the page is fully loaded when hidden. [1] >>>> https://chromestatus.com/feature/4718288976216064 >>>> >>>> >>>> >>>> Blink component >>>> >>>> Blink>Scheduling >>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EScheduling> >>>> >>>> >>>> TAG review >>>> >>>> Not applicable. This feature changes the behavior of an existing API, >>>> while remaining spec-compliant ("Optionally, wait a further >>>> implementation-defined length of time. >>>> <https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#run-steps-after-a-timeout> >>>> ") >>>> >>>> Risks >>>> >>>> >>>> >>>> >>>> Interoperability and Compatibility >>>> >>>> >>>> *Gecko*: No signal >>>> >>>> *WebKit*: No signal >>>> >>>> *Web developers*: No signals >>>> >>>> *Other signals*: The more conservative version of Intensive Wake Up >>>> Throttling shipped smoothly to 100% Stable more than 1 year ago. A few bugs >>>> were filed, but in all cases we've been able to propose workarounds which >>>> made apps more efficient (example >>>> <https://bugs.chromium.org/p/chromium/issues/detail?id=1186569#c16>). >>>> >>>> >>>> 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?* >>>> >>>> >>>> >>>> No, this feature will only ship on desktop platforms. >>>> >>>> >>>> >>>> Goals for experimentation >>>> >>>> We plan to experiment on 1% Stable to confirm whether we observe the >>>> same memory and power improvements as in the lab and on lower channels. We >>>> will decide whether this intervention ships based on the experiment data. >>>> >>>> >>>> >>>> Ongoing technical constraints >>>> >>>> None >>>> >>>> >>>> Debuggability >>>> >>>> This is not a new Web Platform feature. >>>> >>>> >>>> >>>> Will this feature be supported on all six Blink platforms (Windows, >>>> Mac, Linux, Chrome OS, Android, and Android WebView)? >>>> >>>> No >>>> >>>> This feature will only ship on desktop platforms. On Android, the >>>> system severely limits resource consumption from background renderers, >>>> which makes this feature unnecessary. >>>> >>>> >>>> >>>> Is this feature fully tested by web-platform-tests >>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >>>> ? >>>> >>>> Yes >>>> >>>> >>>> Flag name >>>> >>>> quick-intensive-throttling-after-loading >>>> >>>> >>>> Requires code in //chrome? >>>> >>>> False >>>> >>>> >>>> Tracking bug >>>> >>>> https://bugs.chromium.org/p/chromium/issues/detail?id=1324656 >>>> >>>> >>>> Estimated milestones >>>> >>>> DevTrial on desktop >>>> >>>> 105 >>>> >>>> >>>> >>>> Link to entry on the Chrome Platform Status >>>> >>>> https://chromestatus.com/feature/5580139453743104 >>>> >>>> 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/CAGD3t5E9r%2BjOcMa5nR3ZgYjNykEyj8bUBmjvszgFYmiBJKP-dA%40mail.gmail.com >>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGD3t5E9r%2BjOcMa5nR3ZgYjNykEyj8bUBmjvszgFYmiBJKP-dA%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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