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Dolphin, the GameCube and Wii emulator - Forums › Dolphin Emulator Discussion and Support › Support v
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Why is GPU maxxed but only getting 45 FPS? (screenshots inside)
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Why is GPU maxxed but only getting 45 FPS? (screenshots inside)
04-03-2012, 09:33 AM
#1
sofakng Offline
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Here's my system:

i5 2500k @ 4.0 GHz
2x nVidia GTX-480 (SLI)
8 GB RAM
Windows 7 x64

I'm trying to play Super Mario Galaxy at Wii resolution (!!) (640x528) but I'm only getting 45 FPS at the Observation Deck and also my framerate dips quite a bit elsewhere.

My CPU is showing 50% usage, but both my GPUs are at 85 - 90%.

Here's a screenshot:
[Image: dolphinscreenshot.png]
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04-03-2012, 09:37 AM
#2
ExtremeDude2 Offline
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You need to OC your CPU more.
Check out my videos (dead)
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04-03-2012, 10:02 AM (This post was last modified: 04-03-2012, 10:13 AM by sofakng.)
#3
sofakng Offline
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CPU is only showing 50% though?

Also, if I check "Skip Dest. Alpha Pass" I gain a HUGE FPS boost and my GPU usage drops to about 50%, but of course the game (Super Mario Galaxy) has really bad shadows, etc.

EDIT: Also, if you check the task manager screenshot you see that every core is at about 50% so it seems like I'm bottlenecked by my GPU?
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04-03-2012, 10:18 AM
#4
ExtremeDude2 Offline
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(04-03-2012, 10:02 AM)sofakng Wrote: CPU is only showing 50% though?

That's because you have more cores then dolphin can use.
Check out my videos (dead)
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04-03-2012, 04:40 PM
#5
Garteal Offline
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The resolution you pick doesn't matter because your GPU can easily handle up to x3 IR.
I think you should be able to run the game a bit better than that.
Give us your settings.
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04-09-2012, 09:39 AM (This post was last modified: 04-09-2012, 09:41 AM by sofakng.)
#6
sofakng Offline
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OK - Here are my settings using D3D9. (My CPU was already overclocked to 4.5 GHz but I thought it was at 4.0 GHz)

[Image: cpuzz.png]
[Image: dolphinsettings.png]
[Image: dolphin3d9.png]

Also, here's another screenshot showing only 57 FPS in the main Galaxy overworld (ie. very start of the game)

[Image: dolphinscreenshots.png]

Uploaded with ImageShack.us
Here are my specs again:

i5-2500k @ 4.5 GHz
8 GB DDR3 RAM
2x nVidia GTX-485 [SLI]

Please help!
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04-09-2012, 01:15 PM
#7
eatmagnetic Offline
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Maybe you try to set Texture Cache to Fast?
And enable OpenMP Texture Decoder, disable Per-Pixel Depth

Also Disable Lock Threads to Core - or you can try and see if it raises or lowers your speed. But there shouldnt be that impact in this setting.

Good Luck!
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04-09-2012, 05:42 PM
#8
DefenderX Away
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Check "Open MP Texture Decoder" and enable "Skip EFB Access from CPU". Besides, slide the thing of the Texture Cache to the fastes value.
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[Image: 8fhx2zum.gif]
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04-09-2012, 07:15 PM
#9
Anti-Ultimate Offline
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lol, the Observatory is slow for anyone, it has been like that for ages^^
Go play some levels, they will run at full speed.

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04-10-2012, 01:05 AM
#10
sofakng Offline
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Thanks for all of the replies everybody. I'll try the new settings when I get home...

However, if I enable "Skip EFB Access from CPU" then I can't use pull-stars, right?

I would accept the fact that the observatory is laggy for everybody, but I also have stuttering and framerate dips even in the very first level (not the intro levels but the first actual level). I can post a screenshot if needed.

The wiimote speaker also seems lagged or something... do most people just disable it?
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