Thank you Halton, we'll try it out. Dan
On Tue, Jun 23, 2015 at 12:10 PM, Huo, Halton <[email protected]> wrote: > Hi Dan, > > > > To answer your questions: > > 1) Is it consider to be stable as the regular release? > > A: Yes, Lite branch is same quality as master > > 2) How often is it going to be re-based and applied with important > fixes? (current release is based on CW 10) > > A: So far, we keep 12-weeks rebase cycle. The important fixes can be > selective cherry-picked to lite branch. > > > > > Also, we understand that Crosswalk 14 lite is about to be released soon > and we are considering using it (mainly for performance reasons, e.g. > hopefully quicker startup time, memory usage etc.) > > Currently, performance is not the target of Lite branch, although the > footprint is side effect. Actually, the first-time startup will be longer > because the crosswalk library need to be decompressed. If the binary size > reduction (20M vs 10M) is not the benefit you care about, then I’d suggest > you stick on master releases. > > > > Thanks, > > Halton. > > *From:* Crosswalk-help [mailto: > [email protected]] *On Behalf Of *Dan > Green > *Sent:* Monday, June 22, 2015 8:24 PM > *To:* Balestrieri, Francesco > *Cc:* [email protected] > > *Subject:* Re: [Crosswalk-help] GPU rastar and performance issues on > Crosswalk > > > > Ok. I'm not sure if it's possible, but adding the capability, when the APK > is built by users, to selectively drop features (i.e. modular Crosswalk) > will practically integrate Lite to the main branch. > > > > Nevertheless, the main concerns about currently using Crosswalk Lite are: > > 1) Is it consider to be stable as the regular release? > > 2) How often is it going to be re-based and applied with important fixes? > (current release is based on CW 10) > > > > Thanks > > Dan > > > > On Mon, Jun 22, 2015 at 2:56 PM, Balestrieri, Francesco < > [email protected]> wrote: > > > "Do you mean why it wasn’t promoted to the stable channel? " - No, I > meant, if it's indeed stable to use for production, > > > why Crosswalk lite releases are still separated from the regular > releases. It would be great to have the option to remove some > > > unused features and have smaller APK/consume less memory. > > > > Oh, sorry, I had missed the “lite” part in your original question. Merging > Lite to master would mean dropping a lot of features, so Lite will always > be a separate release. > > > > Francesco > > > > *From: *Dan Green <[email protected]> > *Date: *Monday 22 June 2015 14:37 > > > *To: *Francesco Balestrieri <[email protected]> > *Cc: *"[email protected]" < > [email protected]> > *Subject: *Re: [Crosswalk-help] GPU rastar and performance issues on > Crosswalk > > > > "Do you mean why it wasn’t promoted to the stable channel? " - No, I > meant, if it's indeed stable to use for production, why Crosswalk lite > releases are still separated from the regular releases. It would be great > to have the option to remove some unused features and have smaller > APK/consume less memory. > > > > We are not sure yet if we are going to use Crosswalk lite (for the > concerns mentioned above), but it seems mostly wanted to have the fix for > Crosswalk 15 (assuming it indeed fix the performance issue) ported to > Crosswalk 14/ Crosswalk 14 Lite. > > > > Thanks > > Dan > > > > On Mon, Jun 22, 2015 at 2:26 PM, Balestrieri, Francesco < > [email protected]> wrote: > > > is the version with the fix is already available in the downloads? > > > > Yes, it is available since 15.44.365.0 > > > > > Also, we understand that Crosswalk 14 lite is about to be released soon > and we are considering using it (mainly for performance reasons, > > > e.g. hopefully quicker startup time, memory usage etc.) . Is it consider > to be stable enough for production apps? If so, why isn't merged to > > > the main branch? > > > > Do you mean why it wasn’t promoted to the stable channel? We had a few > bugs and are waiting for the latest QA results before promotion. > > > > > Also, are you considering to port the aforementioned fix for Crosswalk > 15 to Crosswalk 14 lite? > > > > We haven’t discussed this yet, it sounds like you would want it? > > > > Francesco > > > > *From: *Dan Green <[email protected]> > *Date: *Monday 22 June 2015 14:15 > *To: *Francesco Balestrieri <[email protected]> > *Cc: *"[email protected]" < > [email protected]> > *Subject: *Re: [Crosswalk-help] GPU rastar and performance issues on > Crosswalk > > > > Thank you Francesco for the very quick and informative response! > > > > We will test Crosswalk 15 for Nexus 10 and we'll update you as soon as we > done with that (is the version with the fix is already available in the > downloads?) > > > > We are looking forward to get any update about the GPU rasterization - as > I mentioned this is a huge performance hit and has a critical impact on > devices that it's turned off. > > > > Also, we understand that Crosswalk 14 lite is about to be released soon > and we are considering using it (mainly for performance reasons, e.g. > hopefully quicker startup time, memory usage etc.) . Is it consider to be > stable enough for production apps? If so, why isn't merged to the main > branch? Also, are you considering to port the aforementioned fix for > Crosswalk 15 to Crosswalk 14 lite? > > > > Thanks! > > Dan > > > > > > > > On Mon, Jun 22, 2015 at 1:48 PM, Balestrieri, Francesco < > [email protected]> wrote: > > Hi, > > > > I let someone else answer why GPU rasterization is turned off in Crosswalk > but not in Chrome (it shouldn’t, BTW). Regarding this: > > > > > Also, is there any improvement in regard to the subject in > https://www.scirra.com/forum/crosswalk-performance-mega-thread_t125842? > > > > You can follow the status here: > https://crosswalk-project.org/jira/browse/XWALK-3720 > > > > In short, after some back and forth there is a fix in Crosswalk 15 and it > will be backported to the other current releases after it’s been verified > to work. If you have any chance to try Crosswalk 15 and let us know how it > works for you, that would be very helpful. > > > > Regards, > > > > Francesco > > > > *From: *Dan Green <[email protected]> > *Date: *Monday 22 June 2015 13:05 > *To: *"[email protected]" < > [email protected]> > *Subject: *[Crosswalk-help] GPU rastar and performance issues on Crosswalk > > > > Hi, > > > > Thank you guys for your great work! > > > > It seems that setting GPU rastarization off is a big performance hit. In > Crosswalk 13 GPU rastar is disabled for some devices (e.g. Galaxy S2) but > for the same devices it's enabled in Chrome and seems to work OK. There is > a huge difference in performance (specifically, in painting time) when > setting GPU rastar on/off. See detailed explanation in > https://crosswalk-project.org/jira/browse/XWALK-3614 (my comment from > today). > > > > Just to extend on this a bit more, we see differences in performance > between Crosswalk and chrome (in favor to Chrome) in other places. For > example, we see on Nexus 10 (Android 5.1) that our game runs on 4FPS (!) > when using Crosswalk 13 and 50-60 FPS on Chrome 43. Up to Crosswalk 10 we > had similar FPS (is it related to > https://www.scirra.com/forum/crosswalk-performance-mega-thread_t125842?) > > > > The performance issue is currently the most painful and critical for us > (actually, it's also true for anyone I know that is using Crosswalk, or > anyone that intends to use it but doesn't because of performance concerns). > I would expect Crosswalk to have a performance at least as good as the > corresponding Chrome. > > > > Why GPU rastarization is set off (for some device) in Crosswalk 13 but is > enabled in Chrome and works fine? Also, is there any improvement in regard > to the subject in > https://www.scirra.com/forum/crosswalk-performance-mega-thread_t125842? > > > > Looking forward to get updates on this. > > > > Thanks! > > Dan > > > > --------------------------------------------------------------------- > Intel Finland Oy > Registered Address: PL 281, 00181 Helsinki > Business Identity Code: 0357606 - 4 > Domiciled in Helsinki > > This e-mail and any attachments may contain confidential material for > the sole use of the intended recipient(s). Any review or distribution > by others is strictly prohibited. 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