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Feral have now fixed the OpenGL performance regression in Mad Max

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The OpenGL performance regression that made Vulkan look like it annihilated OpenGL in Mad Max's recent Beta has now been fixed.

As a small reminder, Mad Max currently has a public beta for owners of the game to test out Feral's new Vulkan version. You can enter "livelongandprosper" to get access to the "vulkan_beta" branch.

From the notes on Feral's Facebook post:
QuoteFixed performance regression in OpenGL renderer. Vulkan should now only be significantly ahead in situations where GL was unable to keep the GPU busy.

Great to see Feral very quickly act on feedback from us and others about the performance issues.

They also note they are currently looking into these issues:
Quote
  • Performance issue with kernel 4.9+ related to online mode.
  • Crash on boot on NVIDIA without GLVND (e.g. Debian). Can be worked around by installing libgl1-nvidia-glvnd-glx on Debian.


Any feedback about the Vulkan Mad Max beta should be sent to: vulkanfeedback@feralinteractive.com

How have you been finding the Vulkan version? Article taken from GamingOnLinux.com.
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24 comments
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HollowSoldier 4 April 2017 at 2:30 pm UTC
Official patch notes:

"Marketing strategy didn't work. F...k."
MaCroX95 4 April 2017 at 2:44 pm UTC
HollowSoldierOfficial patch notes:

"Marketing strategy didn't work. F...k."

It still performs better than the GL version, just the difference isn't as it seemed to be (more than 100% in some cases) but anyway it is nice to get rid of the CPU bottlenecking for the future ports.
ThePierrasse 4 April 2017 at 2:48 pm UTC
Can we get an updated comparison between Vulkan and OpenGL?
lucifertdark 4 April 2017 at 3:11 pm UTC
I saw the update, no details anywhere I could find them, so I thought, If anyone knows what it's for it'll be Liam & here we go.
Ehvis 4 April 2017 at 3:11 pm UTC
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ThePierrasseCan we get an updated comparison between Vulkan and OpenGL?

The best comparisons are the ones you make yourself. Find a place where the game was struggling before and watch the Vulkan magic happen.
Mohandevir 4 April 2017 at 3:38 pm UTC
HollowSoldierOfficial patch notes:

"Marketing strategy didn't work. F...k."

I can't believe Feral did that on purpose and tought nobody would notice the regression. They might have made a mistake and it made it to the release (because the goal of the beta was to implement Vulkan in the first place) and they got caught in their enthusiasm. I hope it is such.

Anyway, all I'm hoping for is for them to fix the fps drops that many are experiencing. Every 10 seconds or so I see skipped frames and then it's buttery smooth again. Really annoying. And it doesn't seem to be linked to sudden heavy burdens... It's just random, in the middle of nowhere, while driving with nothing in sight (example) and it cycles again, ±10 seconds later.


Last edited by Mohandevir on 4 April 2017 at 3:42 pm UTC
Swiftpaw 4 April 2017 at 3:41 pm UTC
HollowSoldierOfficial patch notes:

"Marketing strategy didn't work. F...k."

Hahaha. Their Vulkan renderer is still definitely faster which is great, but it's too bad it's still 40-50% the speed of the DX version, but that's ports for you and any improvement to ports is good. I just hope we start getting pure native Vulkan releases soon especially now that Unity3D 5.6 is out with Vulkan.
Liam Dawe 4 April 2017 at 3:41 pm UTC
ThePierrasseCan we get an updated comparison between Vulkan and OpenGL?
Well, I did already two completely different benchmarks showing all three here: https://www.gamingonlinux.com/articles/some-notes-and-benchmarks-about-a-performance-regression-in-mad-maxs-opengl-rendering.9432 was linked in the article.
fagnerln 4 April 2017 at 3:55 pm UTC
In my mediocre fx6300,the performance has doubled.
Anza 4 April 2017 at 4:12 pm UTC
Mohandevir
HollowSoldierOfficial patch notes:

"Marketing strategy didn't work. F...k."

I can't believe Feral did that on purpose and tought nobody would notice the regression. They might have made a mistake and it made it to the release (because the goal of the beta was to implement Vulkan in the first place) and they got caught in their enthusiasm. I hope it is such.

Anyway, all I'm hoping for is for them to fix the fps drops that many are experiencing. Every 10 seconds or so I see skipped frames and then it's buttery smooth again. Really annoying. And it doesn't seem to be linked to sudden heavy burdens... It's just random, in the middle of nowhere, while driving with nothing in sight (example) and it cycles again, ±10 seconds later.

If you have 4.9 kernel, it might be problem that threads keep moving between cores which causes massive framedrop while that happens. It's possible to verify if that's the case with htop as it shows threads by default and also shows assigned core for each thread.

I made script that can be used as workaround: https://github.com/anzah1/task-affinity-balancer

I think I'll made sure that Feral Interactive is also aware of the issue as fix should be relatively simple. Problem might have been there with earlier kernel version, but I don't think it was this frequent.
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