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Windows 10 high CPU usage

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Martin Grob
5 discussion posts
Hi guys
Display Fusion is using enormous cpu performance all the time. It's almost always between 10 and >30%! Makes the system often very slow/unresponsive.
I cannot work like that. You guys need to fix this asap, please.

Find attached the troubleshooting exports, one on L0 and one on L3.

Cheers
Martin
• Attachment [protected]: DisplayFusionDebugInfo.zip [100,024 bytes]
• Attachment [protected]: DisplayFusionDebugInfoL3.zip [260,598 bytes]
Nov 13, 2019  • #1
Keith Lammers (BFS)'s profile on WallpaperFusion.com
If you restart DisplayFusion, is the CPU usage immediately high again, or does it take a while before it's run it back up?
Nov 13, 2019  • #2
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Martin Grob
5 discussion posts
Hi Keith
It goes up again very quickly.
Nov 13, 2019  • #3
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Ok, in the Settings > Advanced Settings window, could you enable the "Disable Application Hooks" option (so that it's set to "Application hooks are disabled") and restart DisplayFusion, then monitor the affect on the CPU usage?
Nov 18, 2019  • #4
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Martin Grob
5 discussion posts
No big change at all. Even if system is idle, CPU is constantly between around 13% and 25%. CPU value is constantly moving up and down, even while I don't do anything meanwile on the machine.
Nov 21, 2019  • #5
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Could you try this test build out and let me know if it makes any difference?
https://www.binaryfortress.com/Files/DisplayFusion/DisplayFusionSetup-9.6-Beta2.exe
Nov 21, 2019 (modified Nov 21, 2019)  • #6
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Bayard Michael63908
2 discussion posts
I, too, am having this issue, also, when the desktop wallpaper iomage changes the machine comes to a crawl.
Nov 21, 2019  • #7
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Bayard Michael63908
2 discussion posts
I installed your beta and the cpu usage has dropped considerably. Whole machine usage has gone from around 34% at idle to 4~6%. Display Fusion lurks around 1.1 to 1.6% during this time. The machine does not slow to a crawl during wallpaper change, at least not when I asked it to, haven't experienced it during an auto change yet. I can't speak to if you fixed it or fixed it completely, but so far, it appears much better.
Nov 21, 2019  • #8
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Martin Grob
5 discussion posts
Hi Keith
I'm already running 9.6 beta 1. Shall I reinstall again!?
Nov 22, 2019  • #9
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Martin Grob
5 discussion posts
Just seen it's beta2. I did install and the changes are only marginal.
DisplayFusion is still always on top 3 of CPU processes, circling around 20% monstly.
It seems, unfortunately, I have to look for another solution...
Nov 22, 2019  • #10
Keith Lammers (BFS)'s profile on WallpaperFusion.com
@Bayard: Glad to hear that helped!

@Martin: If you enable the "Disable Application Hooks" option in the DisplayFusion Advanced Settings, does that make any difference at all?
Nov 22, 2019  • #11
Guus de Kler's profile on WallpaperFusion.com
Ah sincerly hope that comes to prod soon. Same issues, and the wallpaper change being a game breaker.
Nov 23, 2019  • #12
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Tim Ragnwald
3 discussion posts
I have had this issue since these threads started popping up - some reports soon coming up on a year old even - and it has not gotten better nor worse. I've always restarted it thinking it was my shitty work laptop because my own computers aren't sluggish like that but now I'm thinking it might be because I don't use title bar buttons on them since they have multiple screens.

Anything happening regarding this issue?
Jul 26, 2020 (modified Jul 26, 2020)  • #13
Jon Tackabury (BFS)'s profile on WallpaperFusion.com
@Tim: Just to confirm, you're experiencing high CPU usage from DisplayFusion as well? Is it causing issues on your laptop? Thanks!
Jul 26, 2020  • #14
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Haris3
5 discussion posts
Having the same issue as well. Currently on version 9.7.1. I have looked all over through the discussions for a solution and have yet to find one.
16 days ago  • #15
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Owen Muhlethaler (BFS)
745 discussion posts
Hi Haris,

Can you try out this build and see if there's any difference in CPU usage?

https://www.binaryfortress.com/Files/DisplayFusion/DisplayFusionSetup-9.7.1-TEST2b.exe

Thanks!
13 days ago  • #16
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Roy14
3 discussion posts
Just read your last post #16 I have the same issues with cpu usage from 45 to 58%
for display fusion. I tried this fix and am now down to between 25-32%
Would like to get it down even lower. Is there another update coming?
5 days ago  • #17
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Tim Ragnwald
3 discussion posts
Like Roy14 wrote, the CPU usage has decreased but is still significant at times.
5 days ago  • #18
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DBax
1 discussion post
Just wanted to post here to say the "Disable Application Hooks" option worked for me on Windows 10 20H2 x64 with DisplayFusion 9.7.1, with three Dell UltraSharp monitors and a 4k TV. I was having a problem where when a monitor was disconnected or turned off, DisplayFusion would cause Windows to hang for up to 30-40 seconds, sometimes causing explorer.exe to lock up requiring it to be killed and re-launched from Task Manager.

The actual option was "Disable System Hooks (applications)" but I'm guessing that's the same option.

Thanks, DisplayFusion!
5 days ago  • #19
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Roy14
3 discussion posts
Just downloaded the new release 9.7.2-Beta and usage is hovering 4 and 9 big improvement.
Great Job!!
4 days ago  • #20
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Roy14
3 discussion posts
Just downloaded the new release 9.7.2-Beta and usage is hovering 4 and 9 big improvement.
Great Job!!
4 days ago  • #21
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