Is anyone able to undock windows without a FPS impact?

[VirtualChrisM]

Is anyone able to undock the ATC or any other window without dramatically impacting FPS?

I’ve logged the issue I’m having here, but would love to know if anyone is NOT suffering from this in hopes I can figure out a workaround or a solution.

Undocking Windows - Strange FPS Impact and Vsync Behavior

I haven’t played the Sim since Dec. Recently I upgraded my CPU (9700K>5800x) and my motherboard, as well as increased RAM (32GB>64GB). I play on a 4K main display with two small 1080p monitors for Avionics and ATC displays. I’m starting with a new install of Windows and the Sim (re-installed from scratch yesterday with the hot fix version). I briefly tried the latest Nvidia drivers but started getting CTDs during brief testing and rolled back to 457.51 drivers from December which seem stable. I…

[Yuudai5178]

Is it dramatically affecting FPS or is it dramatically affecting the FPS counter? There is a big difference and plenty of people here have confused what the FPS is actually reporting.

Undocking mine just affects some FPS counters. There is no noticeable drop in FPS. Indeed, some counters tell me I get double the FPS. Which is of course, rubbish.

[Crunchmeister71]

I undock windows for my cockpit setup. It’s gotten much better than it used to be in terms of fps drop.

Like @Yuudai5178 mentioned, depending on what fps counter you’re using, it may not be accurate. Some 3rd party ones will report a large drop even though there isn’t anything significant. The in-game, XBOX Game Bar, and Steam fps counters are accurate though.

If you’re using one of those accurate counters and do see a large frame drop, ensure you didn’t use the fix in the thread below. While in normal circumstances, this can help smooth out frame rates, it wreaks havoc on frame rates when panels and instruments are popped out. Particularly when moved to monitors of different resolution from the main sim monitor.

Possible fix to the performance problems?

Hi, At first glance it seems to be better with the low fps/stuttering problems if you do this: Go to your Flight Sim exe file and right click on it 2.) Select Properties 3.) Go to the compatability tab 4.) Make sure Disable fullscreen optimizations is checked (this seems to be the slow down in that windows is trying to optimize full screen and slowing everything down) I went from 25FPS which would crawl down to 9FPS to my normal 40-45FPS in Ultra settings. Not sure if it’s a permanent fix…

[LinerXiandra]

No, there are more people reporting this:

Undocking ATC with VSync HALVES fps (?)

I have to use vsync couse i hate tearing. And i do not have a gsync monitor. If you undock the ATC, the FPS are halved. Why? Is there a fix for this?

[SkipTalbot]

Simply undocking a window has caused a significant performance hit since at least January. I reported the issue back then, but it was probably apparent before then as well. I guess I have to repost the same thread again because the threads get locked after 30 days even though the bugs in this game don’t magically disappear after 30 days…

Undocking A Toolbar Window Causes Large, Unnecessary Performance Hit

Sending a toolbar panel to a new window causes a significant hit on the simulator’s framerate. Even a simple panel that shows only a few lines of text can drop the FPS by a whopping 20-25%. No panel open showing a stable 60 fps: [image] Opening the ATC panel and the sim holds stable at 60 fps: [image] Undocking the ATC panel to a new window, however, causes the FPS to drop into the 40s: [image] Undocking more windows causes further degradation of the FPS, even if they’re simple text di…

[VirtualChrisM]

So everyone is suffering from this?

Is this just recently become a problem or it’s always been a problem?

I could swear I never noticed an FPS drop when undocking windows back in Dec. but maybe it was there and I never clued in.

[SkipTalbot]

I’m pretty sure it’s the UI library they’re using. It’s either junk, or they’re not using it properly. So it should affect everyone.

I built my machine in December, and have always seen the issue. It’s possible an update in December is when the problem was introduced.

I don’t think that feature was available on the Alpha builds, or I didn’t notice the FPS drop if it was back then on my antiquated build.

[VirtualChrisM]

Man this software is rubbish!

[VirtualChrisM]

@Crunchmeister71

The in-game, XBOX Game Bar, and Steam fps counters are accurate though.

Strangely I recall back in Dec that the Afterburner counter was not accurate… as it would increase based on the number of screens you undocked. Now, the Afterburner OSD counter is accurate. It doesn’t appear on each pop out screen and it remains accurate on the main display - it’s the same as the dev mode counter. I wonder what’s changed in that regard?

[Crunchmeister71]

@VirtualChrisM

Afterburner counter was not accurate… as it would increase based on the number of screens you undocked

Yeah, that was very misleading for most. Depending on whether you undocked panels or instruments, it would behave differently as well.

I don’t use it myself. Steam counter has always matched up to the dev mode one, and I have the enabled for all my Steam games.

[ParadiseFlight]

If you are undocking windows be sure that Max Frame Rate is Off in Nvidia control panel. I found that somewhere else on this forum. It helped. I still lose some FPS but not as bad now.

[Crunchmeister71]

Correct. Also don’t use vsync in sim.

[SkipTalbot]

You mean don’t use vsync at all? Or set vsync elsewhere, like in the Nvidia control panel? I get terrible tearing with it off, and it doesn’t seem to matter where I set it. Undocking still halves the framerate.

[VirtualChrisM]

Does anyone know if this issue is on Asobo’s bug list? I’m surprised it’s not gotten more attention. It seems to be the single biggest performance killer and I have to think a lot of simmers have 2nd monitors for pop-out windows.

[Crunchmeister71]

I use no v synch at all. No matter what I set it at in the sim, it drops my frame rate down to below 20. If I limit frames in nVidia Control Panel, I lose frames in sim as well.

I don’t see any tearing, but perhaps that’s due to my freesynch monitor.