I don't think that there's anything fundamental to our new app design model that would prevent us from getting to startup very quickly. It's just that we're going to have to work on deferring computations and resource loading until after the first render like we did before the nga effort.
On Fri, Oct 2, 2015 at 12:01 PM, Fabrice Desré <[email protected]> wrote: > All the nga apps (music, contacts, sms) show significant regressions. Is > that only a lack of optimizations in these apps, in the bridge they all > use or design flaws in nga itself? > In any case, we have to stop porting new apps to nga until these > questions are answered. > > Fabrice > > On 10/02/2015 07:51 AM, Eli Perelman wrote: > > Hello fxos, > > > > With deadlines for v2.5 approaching, I thought I would take a couple > > minutes and summarize the current state of performance for Gaia. At the > > outset of v2.5 we captured metrics of v2.2 and have used that as the > > baseline to determine whether applications have regressed their > > performance since. Any applications whose performance has significantly > > regressed since v2.2 will need approval to not block as major increases > > will block v2.5. > > > > Enough of the chatter, here's the data: > > > > Calendar v2.2 cold launch: 1454ms > > Calendar current cold launch: 1638ms (~180ms regression) > > Calendar v2.2 USS: 14.01MB > > Calendar current USS: 13.99MB (good) > > > > Camera v2.2 cold launch: 1492ms > > Camera current cold launch: 2090ms (~600ms regression) > > Camera v2.2 USS: 13.83MB > > Camera current USS: 16.05MB (~2.2MB regression) > > > > Clock v2.2 cold launch: 1232ms > > Clock current cold launch: 1260ms (acceptable) > > Clock v2.2 USS: 13.98MB > > Clock current USS: 14.95MB (~1MB regression) > > > > Contacts v2.2 cold launch: 773ms > > Contacts current cold launch: 1246ms (~475ms regression) > > Contacts v2.2 USS: 18.26MB > > Contacts current USS: 20.04MB (~1.75MB regression) > > > > Dialer v2.2 cold launch: 851ms > > Dialer current cold launch: 944ms (~90ms regression, still under 1000ms) > > Dialer v2.2 USS: 17.48MB > > Dialer current USS: 13.04MB (good!) > > > > Email v2.2 cold launch: 2129ms > > Email current cold launch: 606ms (good!) > > Email v2.2 USS: 16.17MB > > Email current USS: 15.78MB (good) > > > > FM v2.2 cold launch: 604ms > > FM current cold launch: 783ms (~175ms regression) > > FM v2.2 USS: 10.37MB > > FM current USS: 10.51MB (acceptable) > > > > Gallery v2.2 cold launch: 1113ms > > Gallery current cold launch: 1207ms (~90ms regression) > > Gallery v2.2 USS: 17.71MB > > Gallery current USS: 18.98MB (~1.25MB regression) > > > > Music v2.2 cold launch: 1066ms > > Music current cold launch: 1717ms (~650ms regression) > > Music v2.2 USS: 13.37MB > > Music current USS: 29.49MB (~16.12MB regression) > > > > SMS v2.2 cold launch: 1340ms > > SMS current cold launch: 1630ms (~290ms regression) > > SMS v2.2 USS: 12.86MB > > SMS current USS: 19.94MB (~7MB regression) > > > > Settings v2.2 cold launch: 2474ms > > Settings current cold launch: 2950ms (~475ms regression) > > Settings v2.2 USS: 17.18MB > > Settings current USS: 17.54MB (acceptable) > > > > Video v2.2 cold launch: 1115ms > > Video current cold launch: 1309ms (~190ms regression) > > Video v2.2 USS: 12.13MB > > Video current USS: 13MB (acceptable) > > > > TLDR; there seem to be quite a few serious regressions across many > > applications, in both cold launch time and USS memory usage. As a > > comparison, the Test Startup Limit app when first captured started off > > in the 880ms range, spent a good chunk of June and July around 620ms and > > is now around 850ms. > > > > If anyone has any questions about the data or needs additional > > information, please let me know. > > > > Also, kudos to the Email team for the massive improvement in both launch > > time and memory. > > > > Thanks, > > > > Eli Perelman > > > > > > _______________________________________________ > > dev-fxos mailing list > > [email protected] > > https://lists.mozilla.org/listinfo/dev-fxos > > > > > -- > Fabrice Desré > b2g team > Mozilla Corporation > _______________________________________________ > dev-fxos mailing list > [email protected] > https://lists.mozilla.org/listinfo/dev-fxos >
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