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]<mailto:[email protected]>>
Date: Monday 22 June 2015 13:05
To: 
"[email protected]<mailto:[email protected]>"
 
<[email protected]<mailto:[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

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