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Anyway to increase performance under Linux?
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Anyway to increase performance under Linux?
12-20-2016, 06:24 AM
#1
JesusXP Offline
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Hi all. Running the latest Dolphin build for Linux and although I have a pretty ancient PC I upgraded my gfx card recently and thought I would be able to get a bit better bare min performance out of Dolphin but doesnt seem to have much impact. Super Mario Sunshine, Wind Waker, pretty much 30 fps with some drops.

I am running Ubuntu 16
8GB Ram
Radeon RX 460 2GB
Intel Core 2 Quad Q9550 @2.83GHz



Pretty much all settings are standard, I am trying native resolution even, no AA, no hacks, etc. Am I wrong to expect better performance? Would I have better experience with the Windows Build? I have the latest ATI drivers and Vulkan installed, but just have the openGL option in graphics.

Any help would be appreciated! Thanks!
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12-20-2016, 06:46 AM (This post was last modified: 12-20-2016, 06:47 AM by Helios.)
#2
Helios Offline
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You need to use a recent development build to use Vulkan.

OpenGL has terrible performance on AMD GPUs.
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12-20-2016, 10:36 AM
#3
JesusXP Offline
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(12-20-2016, 06:46 AM)Helios Wrote: You need to use a recent development build to use Vulkan.

OpenGL has terrible performance on AMD GPUs.

Hm - I have tried to use a recent build but am now getting the "Failed to Create Vulkan Instance" error. Damn. I am trying to get some feedback on how to get around this. Thanks for the help though, I now do see the Vulkan option in Graphics.
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12-21-2016, 07:06 PM
#4
leolam Offline
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Quote:I upgraded my gfx card recently and thought I would be able to get a bit better bare min performance out of Dolphin
That's not really how it works Wink

You'd have seen far bigger improvements by upgrading your CPU to something modern (any desktop Haswell or Skylake).
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12-23-2016, 02:34 AM
#5
JesusXP Offline
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(12-21-2016, 07:06 PM)leolam Wrote: That's not really how it works Wink

You'd have seen far bigger improvements by upgrading your CPU to something modern (any desktop Haswell or Skylake).

While crappy to hear that I may have wasted time with the upgrade, I look forward to a future PC build where I can significantly boost performance.

Would I expect the same performance regardless of OS in this case?

Any comments on how to get the stable or daily builds to acknowledge my Vulkan instance/install?
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12-23-2016, 02:39 AM
#6
leolam Offline
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Dolphin on Linux performs the same as on Windows. BUT there's currently a bug in glibc which can in some cases cause performance issues (for some CPUs, Ivy Bridge and Sandy Bridge are known to be affected). As a workaround, you can launch Dolphin with LD_BIND_NOW=1 set.

I can't really help you with Vulkan, but what driver are you using?
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12-23-2016, 02:53 AM
#7
admin89 Offline
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If you want more performance for free , you will have to overclock your CPU
If you don't want to overclock , you can upgrade your CPU to sth like i3 6100 @ 3.7GHz (stock speed)
According to our Dolphin Benchmark , the i3 6100 @ 3.7 GHz is almost twice as fast as Core 2 Quad 9550 @ 3.8GHz (OC) .
Another option is the OS , you can dual boot into Windows 10 x64 and use Directx12 . DX12 is the fastest backend atm and it's slightly faster than Vulkan backend
Laptop: (Show Spoiler)
Clevo W230SS : 3200x1800 IPS | i7 4700MQ @ 3.6GHz (Intel XTU + Triple fan mod) | GTX 860M GDDR5 | 128GB Toshiba CFD SSD | 16GB DDR3L 1600MHz
Aspire 715 43G : 1080p 144Hz |  R5 5625U @ 4.3GHz | Nvidia RTX 3050 4GB | 500GB WD SSD  | 16GB DDR4 3200MHz 
Mini PC :: (Show Spoiler)
G3258 @ 4.6GHz | ELSA GTX 750 | Asrock Z87E ITX | 600W SFX 80+ Gold Silverstone + SG06-LITE | Corsair Vengeance 8GB 2000MHz | Scythe Kozuti + Ao Kaze | 45TB 2.5" Ex HDD (in total) , Zelda Gold Wiimote , LE Wii Classic Controller , Gold LE PS3 DualShock , BlackWidow Chroma ,
Now Playing : Xenoblade Definitive Edition on Yuzu - Switch Emu 

 
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12-23-2016, 09:16 AM
#8
Kurausukun Offline
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You know that Sunshine and Wind Waker are both 30fps games, right?
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12-23-2016, 09:21 AM
#9
leolam Offline
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D3D12 is only faster in some cases and even then, most of the time it's only marginally faster. It may have issues that the Vulkan backend doesn't have, or missing features.

(12-23-2016, 09:16 AM)Kurausukun Wrote: You know that Sunshine and Wind Waker are both 30fps games, right?
OP seems to know that, since they noted they were "pretty much 30 fps with some drops", not a solid 30fps (which would be full speed).
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12-23-2016, 11:56 AM
#10
Helios Offline
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admin89, I don't think you should keep recommending D3D12. Nobody is maintaining it anymore and all the current bugs with it won't be fixed. It's on my chopping block.
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