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Old 2nd Aug 2012, 09:34   #1
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Valve hits Left 4 Dead 2 performance high - on Linux

The Linux port of Left 4 Dead 2 runs significantly faster than the Windows version, thanks - Valve claims - to the efficiency of the kernel and OpenGL.
http://www.bit-tech.net/news/gaming/...-performance/1
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Old 2nd Aug 2012, 09:41   #2
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So, what you're ACTUALLY saying, Valve, is DirectX is worse than OpenGL....

We knew that already.
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Old 2nd Aug 2012, 09:42   #3
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Great news! Just read this on twitter a minute ago. Scary performance increase. Lets hope they can keep improving the performance. Hopefully more devs see that there is gains to be had developing for Linux as well as windows.
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Old 2nd Aug 2012, 09:47   #4
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Hopefully it won't be long before all the sources games will be running awesomely

Will be keeping an eye on their progress.
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Old 2nd Aug 2012, 10:05   #5
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To be honest this is a load of rubbish. Did they do like for like performance testing with the same graphics feature sets? I am all in favour for OpenGL support and a AAA grade company focusing on the Linux platform but all the trash talking seems to just be an excuse to build up the platform.

It'll be interesting to see how OpenGL keeps up with developers demands on them. 4.2 is nearly a year old!
http://www.opengl.org/documentation/current_version/
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Old 2nd Aug 2012, 10:13   #6
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Originally Posted by Rich_13 View Post
It'll be interesting to see how OpenGL keeps up with developers demands on them. 4.2 is nearly a year old! http://www.opengl.org/documentation/current_version/
A year old? My god! Valve should give up on such an outdated platform and dedicate themselves to DirectX11 immediately! You know, the DirectX11 which was released in 2008 - four years ago.
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Old 2nd Aug 2012, 10:24   #7
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I remember the days when games used to give you the choice to pick your rendering engine. I always used OpenGL as it was faster and more streamlined. Things haven't changed, apart from lazy developers who want the easy package of DirectX.
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Old 2nd Aug 2012, 10:33   #8
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A year old? My god! Valve should give up on such an outdated platform and dedicate themselves to DirectX11 immediately! You know, the DirectX11 which was released in 2008 - four years ago.
A bit caustic reply from a staff member but funny anyways.
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Old 2nd Aug 2012, 10:34   #9
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A bit caustic reply from a staff member but funny anyways.
Meh. I'm a freelancer, and I ain't had my morning coffee yet. Plus, I'd say more sarcastic than caustic, but I'm never the best judge of these things.
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Old 2nd Aug 2012, 10:36   #10
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Meh. I'm a freelancer, and I ain't had my morning coffee yet. Plus, I'd say more sarcastic than caustic, but I'm never the best judge of these things.
It highly amused me!
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Old 2nd Aug 2012, 10:51   #11
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Scary performance increase.
I would hardly call a ~3.5% increase in performance "scary"...
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Old 2nd Aug 2012, 11:01   #12
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303FPS vs 315FPS? (OpenGL figures)

So under these tests linux is 3% faster? And on this game and in this resolution both can generate a higher FPS figure than anyone will ever need?

Nice test Valve, now update your damn tools and game catalogue and test again using a modern game engine!

Still 3% is 3%... it's just a shame that linux is linux.
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Old 2nd Aug 2012, 11:03   #13
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270 fps to 315 is very impressive in my opinion? maybe scary was not the correct word. But very its a very impressive increase in frame rates.
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Old 2nd Aug 2012, 11:05   #14
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Remember that the Windows OpenGL version only gets 303FPS thanks to work done on the Linux OpenGL version - before that, the best performance was 270FPS from the DirectX version. So you're not looking at a 3% performance increase, but a 16-ish per cent performance increase under Linux/OpenGL compared to Windows/DirectX.
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Old 2nd Aug 2012, 11:13   #15
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I have a feeling it might be attributed to overhead more than anything else.
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Old 2nd Aug 2012, 11:40   #16
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What Valve are actually saying is OpenGL is more efficient than DirectX 9. That DX9 is inefficient, was a known fact before this day.
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Old 2nd Aug 2012, 11:49   #17
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How important is an increase from 270 to 315fps - I guess if I had a 315hz TV it would be smooth, my eyes can only process around 60fps.

It's interesting because a linux code/OPENGL combo is important for several reasons I suspect - I assume the single most important part will be the ability to fast port PC games based on linux to Android (phones/consoles/tablets), the openGL driver will enable a faster port to iOS (iphone, ipad, imac, ipod).

Microsofts windows8 platform is attempting to gain massive share into the phone/tablet market at the same time the android/linux camp are pushing hard into the consumer PC market.... let teh games begin, but please stop trying to make my PC display look like a smartphone, when I don't use a touchscreen for my PC.
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Old 2nd Aug 2012, 12:23   #18
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Quote:
How important is an increase from 270 to 315fps - I guess if I had a 315hz TV it would be smooth, my eyes can only process around 60fps.
Maybe its not important in this case but when you are not on a GTX 680 the performance increases from OpenGL could be a very good thing!
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Old 2nd Aug 2012, 12:45   #19
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Quote:
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What Valve are actually saying is OpenGL is more efficient than DirectX 9. That DX9 is inefficient, was a known fact before this day.
Ah that's a point, L4D is DX9 isn't it, as it runs on XP!
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Old 2nd Aug 2012, 12:50   #20
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after their calling windows 8 a catastrophe because of the windows store, I can't help but wonder if the only reason HL2 is faster is because they wanted it to be faster )
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