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The Mynx
The Scope Gallente Federation
0
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Posted - 2013.08.27 02:44:00 -
[1] - Quote
I've read through several locked threads about borderless window and Vsync (interval one) behavior, but none exactly like my problem:
I am running 2 x GTX 660ti's in SLI, with 2 1920 x 1080 monitors using different refresh rates.
M1: 144hz M2: 60hz
Nvidia vsync set to adaptive
Whether I have client open on M1 or a client on each monitor, in fixed window mode with Interval One selected my framerate fluctuates between 70-144 fps. GPU usage fluctuates between 20 - 40% each.
Switch to Interval Immediate, framerate jumps to 300+, GPUs pegged at 100%
Switch from here to Fullscreen and Nvidia vsync kicks in, steady 144 fps and 40-50% GPU usage.
Back to borderless window, fps >300.
The FPS fluctuation happens in fixed window mode regardless of whether I have Nvidia vsync turned on or off. Fullscreen also works fine (steady @ 144) with Nvidia vsync off and Interval one selected.
Some of the sub-optimal solutions in previous threads have been to unplug M2 (haven't tried this, not interested tbh), or keep the game running in fullscreen. I also would rather not run it at 100% load all the time since I hope to keep these video cards for a reasonable amount of time.
Suggestions? |
Rroff
Questionable Ethics. Ministry of Inappropriate Footwork
293
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Posted - 2013.08.27 18:30:00 -
[2] - Quote
Its always been a bit problematic for me - you could try the different settings for multi-display/mixed GPU acceleration in the nVidia control panel. |
The Mynx
The Scope Gallente Federation
0
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Posted - 2013.08.27 23:39:00 -
[3] - Quote
Ok so after much searching and excercising extreme google-fu I found a solution in MSI Afterburner:
- Enable On Screen Display, select at least one parameter to be displayed and set a hotkey to toggle it.
- This will enable a new tray icon labeled "MSI On-Screen Display Server...."
- Open, click on settings 'wrench' icon, bottom setting is "framerate limiter" - set to xyz (144 in my case) and BOOM steady framerate and regulated GPU usage.
- Set Vsync OFF / Interval Immediate
This will cap ALL framerates (windowed or fullscreen) while OSD is active, however you CAN tick the "Show On-Screen Display" option to OFF and your framerate will still be limited.
This does NOT replace Vsync, it only limits your maximum FPS output. Setting to exactly match monitor refresh rate should result in optimum smoothness.
I hope this helps someone else! |
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