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In an effort to make things as clear as possible, I decided to do some additional testing with Mad Max [Steam, Feral Store]. More specifically, in OpenGL for Mad Max at release vs the beta.

This is important, since our previous benchmarks (and every other website and person who ran benchmarks) will be affected by this.

Why was this not tested before? Well, we weren't made aware of any changes to the OpenGL renderer in Mad Max. There should have been no need to do tests like this since the whole idea behind the Beta was to test Vulkan specifically, but hopefully this will help clear things up a bit.

I ran some of my own tests using GLXOSD's benchmarking tool coupled with my speedy SSD on the Very High preset (with no extra game adjustments) and here's what I found. The results, sadly, speak for themselves. Done in two completely different areas to be sure it wasn't a fluke.

OpenGL 1.0 OpenGL Beta Vulkan Mad Max Stable vs Beta - Outer GravesAntergos Linux, 1080p, i7 5960x, 980ti Very High Vulkan 126OpenGL 1.0 110OpenGL Beta 49 12611049 0265278104130 Average FPS

OpenGL 1.0 OpenGL Beta Vulkan Mad Max Stable vs Beta - The Big NothingAntergos Linux, 1080p, i7 5960x, 980ti Very High Vulkan 145OpenGL 1.0 129OpenGL Beta 68 14512968 0295887116145 Average FPS


As always, benchmarks should always be taken with a grain of salt. It will depend heavily on your system setup. Not just hardware, but the exact distro and libs you have too all affect the numbers.

This was tricky to do, since the Beta version does have other issues with OpenGL, which is in the form of crash bugs. I've had a few crashes I've reported to Feral in the beta version when using OpenGL, so hopefully those can also get fixed. It's also tricky since the original release didn't feature a benchmark mode, so it had to all be done manually.

The good news is that Feral Interactive are aware of it, so they can look to fix it. The other good news, is that Vulkan is still performing better than both versions of the game when using OpenGL.

This regression might also be affecting the Vulkan renderer, so it's possible when fixed both the OpenGL and Vulkan versions could see a boost, although the OpenGL boost would likely only be putting it back to normal levels.

Finally, something to remember: This is exactly what a Beta test is for. Article taken from GamingOnLinux.com.
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natewardawg 1 Apr, 2017
Quoting: tripy
Quoting: natewardawgIf I remember, I will post my stats when I get it running on my other machine. I may do it at 1920x1080 though.

Thanks. Much appreciated.

Edit: wups.. It was wishful thinking, but I've got a GTX 960, not 970.
Damn, time to get some Z I guess too.

Here it is... I actually did the benchmark at both 720p and 1080p with normal quality.

Specs:
i7-6700K
GTX 960
32 GB RAM

720p:
avg: 80.905754
min: 57.537403
max: 87.573341


1080p:
avg: 81.353348
min: 64.316956
max: 86.662621


Yep, almost exactly the same... so this scene is definitely CPU bound. So, I'm pretty sure upgrading your system with a Ryzen chip would cause this scene to outperform my system even with the same GPU. I'm going to do some more tests for the other two quality levels, at some point :)


Last edited by natewardawg on 1 April 2017 at 12:42 am UTC
natewardawg 1 Apr, 2017
Gaming On Windows 10!!! Too funny Liam! :D
Swiftpaw 1 Apr, 2017
Thanks for calling attention to this and running new benchmarks. Vulkan is great, and the improvements are great, no question about any of that. But, facts are facts, and sadly the original takeaway based on a regressed/bugged benchmark wasn't right. D3D ports will probably never be quite as good, but if Feral's ports can squeeze out better performance with VLK as these benchmarks show, we end up with better ports, and that's awesome! I hope we start getting more native-Vulkan-focused games and fewer ports, but ports will be a thing for a long while, so this is great to have in the meantime.


Last edited by Swiftpaw on 1 April 2017 at 6:17 am UTC
Liam Dawe 1 Apr, 2017
Quoting: SwiftpawThanks for calling attention to this and running new benchmarks.
No problem, it's good to shed light on things. I'm here to serve my readers, no one else. Making things clear is important.
Anza 2 Apr, 2017
Quoting: rustybroomhandleI am running Manjaro and have noticed on kernel 4.9 this game stutters terribly, with frame rate wildly fluctuating. I booted up with kernel 4.5 and all of a sudden it's smoother than suppository dipped in Vaseline.

I also noticed that performance got lot worse with 4.9 kernel. After digging little deeper I noticed that threads were moving between cores quite frequently. So far htop has been best tool for debugging this as it shows which core thread uses and even shows threads by default.

I made a script that locks threads to dedicated cores and that helped quite a lot. Vulkan is now pretty smooth nearly all the time.

I uploaded the script to GitHub: https://github.com/anzah1/task-affinity-balancer
rustybroomhandle 2 Apr, 2017
Quoting: Anza
Quoting: rustybroomhandleI am running Manjaro and have noticed on kernel 4.9 this game stutters terribly, with frame rate wildly fluctuating. I booted up with kernel 4.5 and all of a sudden it's smoother than suppository dipped in Vaseline.

I also noticed that performance got lot worse with 4.9 kernel. After digging little deeper I noticed that threads were moving between cores quite frequently. So far htop has been best tool for debugging this as it shows which core thread uses and even shows threads by default.

I made a script that locks threads to dedicated cores and that helped quite a lot. Vulkan is now pretty smooth nearly all the time.

I uploaded the script to GitHub: https://github.com/anzah1/task-affinity-balancer

Cool beans. Will give it a shot.
edo 4 Apr, 2017
so not close to Dx11
Swiftpaw 4 Apr, 2017
Quoting: edoso not close to Dx11

Well on high settings, VLK is about 40% behind DX in this port. On low it's more like 50%.

https://www.reddit.com/r/linux_gaming/comments/62ilrk/
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