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Timothy13
5 discussion posts
I noticed a strange thing after using DF on a new build (ultrawide monitor, top of the line specs on other aspects) ...

On fresh boot the system reaction times to typical events (window key, typing, etc.) was normal but over time it degraded to where it was multi-second.

At first I thought something was off elsewhere (new rig) but then I saw a thread talking about how DF might cause this. In that thread the moderator suggested disabling application hooks as part of the testing. Worked there so I tried it on my install -- and what do you know -- system response time to typical events returned to normal (ms).

Is there a way to not have to disable the hooks? I ask as turning it off turns off notable aspects of the DF product (i.e. drag drop to virtual monitor with immediate full sizing).

Let me know. For now I'll try to just manually size the windows to the configuration I am running (1/3,1/3,1/3) and move between them w/ the DF icon in the title bar (that still works w/ hooks off -- wont resize but does move the window to the next virtual monitor).
Jan 20, 2019 (modified Jan 20, 2019)  • #1
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Could you enable debug logging, re-enable the hooks, and when it starts to slow down again, send me a copy of the log? It'll hopefully show what the hooks are doing, it could be that it's getting flooded with messages from some other program that's being hooked.

  • On the DisplayFusion Settings > Troubleshooting tab, change the Logging drop-down to "L1: Log Minimal" and click Apply
  • Wait until it starts slowing down
  • Click the "Export Info to File" button on the Settings > Troubleshooting tab
  • Reply with the file attached
  • Disable debug logging after sending the log

Thanks!
Jan 22, 2019  • #2
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Timothy13
5 discussion posts
Thanks for looping back. I flipped it back on. Here is a log file that included some slow lag events -- i.e. slow type response, slow windows key launch, etc. WIll be curious if you see anything.

Thanks for taking a look. I do appreciate the product (critical for effective use of a ultrawide screen).
• Attachment [protected]: DisplayFusionDebugInfo.zip [65,414 bytes]
Jan 23, 2019  • #3
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Thanks! Unfortunately I don't see anything out of the ordinary in the log. When the issues start showing up, if you start exiting programs that you have open, do the performance issues go away after exiting a certain one?
Jan 25, 2019  • #4
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Timothy13
5 discussion posts
Thanks for looking. I'll test out on the lines you are suggesting (see slow behavior - close one app and see if lag goes away). I do like the product so glad to hear its not the culprit.
Jan 25, 2019  • #5
Keith Lammers (BFS)'s profile on WallpaperFusion.com
No worries, thanks for the kind words! If you're able to track down which application is contributing to the issue, definitely let me know and I'll test it with DisplayFusion to see if there's anything we can do from our end as well.

Thanks!
Jan 28, 2019  • #6
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altano
11 discussion posts
I was having this problem and followed your instructions. For maximum irony, the app that was conflicting with DisplayFusion was Resource Monitor. Quitting EITHER Rsource Monitor or DisplayFusion fixes the performance problem I was seeing.

My performance probem was very easy to reproduce: just scrolling a long list in Task Manager or Windows Explorer was unbelievably choppy. Logs of the bad performance are attached.
• Attachment [protected]: 1 - Logging enabled, machine slow - DisplayFusionDebugInfo.zip [43,441 bytes]
Feb 1, 2019  • #7
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Timothy13
5 discussion posts
Interesting I'll have to try that (closing out resource monitor when I see the issue next time).
Feb 1, 2019  • #8
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Interesting! You guys are referring to the Resource Monitor that's built-in to Windows?
Feb 1, 2019  • #9
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Timothy13
5 discussion posts
I was just going to fire it up (Use Windows-R to open the run box. Type perfmon.exe /res, and hit the Enter-key) when a lag spike was happening and then kill processes that were hitting CPU, Disk, or Memory excessively and see what happened - LOL.

By default I don't think resource monitor is running -- right? Or is the resource monitor I indicate above different than what altano was thinking?
Feb 1, 2019  • #10
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altano
11 discussion posts
Quote:
Interesting! You guys are referring to the Resource Monitor that's built-in to Windows?

Yep, this guy:
Feb 2, 2019  • #11
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Strange! No issues for me when I run that here. Can you do a "winver" at the Run prompt and let me know which version of Windows 10 you're on?
Feb 5, 2019  • #12
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altano
11 discussion posts
Version 1809 (OS Build 17763.253)
Feb 12, 2019  • #13
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Ok, same version as me, though I can't seem to reproduce this behaviour :(

How long does DisplayFusion need to be running before you start noticing these issues?
Feb 12, 2019  • #14
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altano
11 discussion posts
Unlike Timothy I notice it immediately after booting and it sounds like Timothy's problem is not just tied to Resource Monitor, so we probably are having different perf problems. I'll exit the thread now :)
Feb 12, 2019 (modified Feb 12, 2019)  • #15
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