Homescreen scrolling laggy (WIndows 10 install)

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Posts 40
Linval London | Forum Activity | Posted: Sat, Dec 23 2017 6:18 PM

Howdy,

Has anyone else noticed a lag while scrolling through the homepage?  I have recently purchased a Surface Book 2 and on the native resolution (3000x2000) it is sluggish to recognize a scroll up or down.  When I reduce my system resolution to 1920x1200 (basically a 1080 equivalent) the scrolling becomes perfect... 

It only occurs on the homepage, all other resources open and scroll perfectly on the higher rez.  Hmmmm...  Interested in a possible fix, but would like to know if anyone else has had a similar issue on an UltraHD screen..

Thanks!

Posts 1399
Rick Ausdahl | Forum Activity | Replied: Sun, Dec 24 2017 5:10 AM

I've had the same issue (very laggy) for more than a year--ever since moving to a laptop with a 4K screen.  But when using the full 4K resolution, I have an additional problem of Logos not dividing the columns of info on the home-page up the same as when in standard HD.  I don't even use the Home Screen any more unless absolutely necessary.  

Posts 2764
Erwin Stull, Sr. | Forum Activity | Replied: Sun, Dec 24 2017 5:47 AM

This issue may be partially due to the home page reliance on the internet for updates. Perhaps the increased resolution of some of the images is causing additional lag because of the it becomes a larger download.

Posts 40
Linval London | Forum Activity | Replied: Sun, Dec 24 2017 5:26 PM

Thanks for the input....that could explain why the homepage on my desktop (with 1080p monitors) is fine while my laptop is like skiing through molasses in January... 

Posts 40
Linval London | Forum Activity | Replied: Sun, Dec 24 2017 5:28 PM

Hmmm... I wonder if there could be a setting to reduce image quality or a resolution cap to speed things up?  Might be something to mention to the devs about...  Thanks for the insights...

Posts 1399
Rick Ausdahl | Forum Activity | Replied: Sun, Dec 24 2017 8:25 PM

Linval London:

Hmmm... I wonder if there could be a setting to reduce image quality or a resolution cap to speed things up?  Might be something to mention to the devs about...  Thanks for the insights...

I don't know if it's possible for Faithlife to do that, but if it is, AND if they could do it for JUST the Home Page, I'd be fine with that.  I definitely would not want them to limit/cap the resolution anywhere other than the Home Page though, as I always have and expect I always will, spend 99.99% of my time elsewhere (i.e. reading my resources), and bought a laptop with the 4K screen because it's so much easier on the eyes when spending hours reading on a computer.  

Posts 27
Julian West | Forum Activity | Replied: Mon, Dec 25 2017 9:48 PM

I can't say I'm happy with Logos' scrolling performance on my Surface Pro 2017 (2736 x 1824, same dpi) on the home page or books (but it is far worse on the home page).

On the home page, trying to scroll with the touchpad is futile; I have to either use PgUp/PgDn keys or grab the scrollbar.

Scrolling on the home page does appear to peg one CPU core (grab the bar, scroll up/down repeatedly for several seconds with Task Manager).

My desktop (2560x1080) is buttery smooth; however, we're talking completely different hardware (i7-7700K w/discrete graphics vs. i5-7300U for starters).

Additionally, battery power mode impacts scrolling performance (click on the battery icon to see the slider).

Logos 7 Base + Platinum Library + Now | Surface Pro 2017 | i7-7700K Desktop | i7-4800MQ Gaming Laptop | Android 7.1.2

Posts 8057
LogosEmployee

Linval London:
on the native resolution (3000x2000) it is sluggish to recognize a scroll up or down.  When I reduce my system resolution to 1920x1200 (basically a 1080 equivalent) the scrolling becomes perfect... 

For various technical reasons, the HTML views in Logos 7 use “software rendering” (and are not hardware accelerated). (The “HTML views” include the Home Page, all Interactives, the new Text Comparison, Community Notes, and some others.) The greater the resolution, the more pixels there are to copy, and the worse the framerate will be.

This is a known performance problem in the software and one that the team would like to address. Unfortunately, since it's not a simple fix, I’m not sure about when it might be addressed.

Posts 1399
Rick Ausdahl | Forum Activity | Replied: Tue, Dec 26 2017 7:16 PM

Bradley Grainger (Faithlife):

Linval London:
on the native resolution (3000x2000) it is sluggish to recognize a scroll up or down.  When I reduce my system resolution to 1920x1200 (basically a 1080 equivalent) the scrolling becomes perfect... 

For various technical reasons, the HTML views in Logos 7 use “software rendering” (and are not hardware accelerated). (The “HTML views” include the Home Page, all Interactives, the new Text Comparison, Community Notes, and some others.) The greater the resolution, the more pixels there are to copy, and the worse the framerate will be.

This is a known performance problem in the software and one that the team would like to address. Unfortunately, since it's not a simple fix, I’m not sure about when it might be addressed.

Bradley, thank you for explaining it!  While knowing the reason doesn't change the problem, it's nice to know it's not some glitchy issue with our individual systems.  In that regard, knowing the cause makes it a little easier (at least for me) to deal with it.  I look forward to the day it's resolved and wish you well when you have a chance to address it.

Posts 4
Benjamin Hill | Forum Activity | Replied: Fri, Jan 26 2018 11:10 AM

With it not being an issue on Mac, I find it severely disappointing from the windows team. Honestly, at this point, a UWP app not based on the archaic win32 architecture is needed and would more than likely eliminate the issue all together. Windows 10 is the future for Microsoft, soon there will be a ton of products that won't even be able to run logos with Windows 10 S, Andromeda, and Polaris softwares coming up the pipeline. Is Faithlife preparing for the post .exe world? If not, I am afraid I can't support the software long term and cannot invest in upgrading. 

Posts 25039
Forum MVP
Dave Hooton | Forum Activity | Replied: Fri, Jan 26 2018 5:09 PM

Linval London:

Thanks for the input....that could explain why the homepage on my desktop (with 1080p monitors) is fine while my laptop is like skiing through molasses in January... 

After the Technical explanation, try limiting your display via the Customize (gear wheel) menu at top right. My multi-panel choices are Logos Messages, Daily Devotional and Excerpts and three single-panel choices. That's abt. 8 screens on my 2yr. laptop and scrolling via touchpad is smooth once the whole display has been rendered (I get much the same response with another 6 items checked).

Dave
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Windows & Android

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