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Anyway to increase performance under Linux? - Printable Version

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+--- Thread: Anyway to increase performance under Linux? (/Thread-anyway-to-increase-performance-under-linux)

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Anyway to increase performance under Linux? - JesusXP - 12-20-2016

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!

RE: Anyway to increase performance under Linux? - Helios - 12-20-2016

You need to use a recent development build to use Vulkan.

OpenGL has terrible performance on AMD GPUs.

RE: Anyway to increase performance under Linux? - JesusXP - 12-20-2016

(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.

RE: Anyway to increase performance under Linux? - leolam - 12-21-2016

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).

RE: Anyway to increase performance under Linux? - JesusXP - 12-23-2016

(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?

RE: Anyway to increase performance under Linux? - leolam - 12-23-2016

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?

RE: Anyway to increase performance under Linux? - admin89 - 12-23-2016

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

RE: Anyway to increase performance under Linux? - Kurausukun - 12-23-2016

You know that Sunshine and Wind Waker are both 30fps games, right?

RE: Anyway to increase performance under Linux? - leolam - 12-23-2016

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).

RE: Anyway to increase performance under Linux? - Helios - 12-23-2016

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.