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Ubuntu 13.04 Desktop Gaming Performance Comparison

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  • #31
    Originally posted by xpressrazor View Post
    Link

    Results of fgl_glxgears (5 sec)
    glxgears isn't a particularly useful benchmark. Rexilion, certainly don't interpret that to mean "Ubuntu and Cinnamon 2D will perform far slower than other desktops in demanding games."

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    • #32
      Originally posted by boast View Post
      we need a universal call, like Windows has, for programs to be able to tell the WM to disable compositing when needed.
      Plus much more, like making sure Alt+Tab and media keys still work inside games with a keyboard grab. It's a long list...

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      • #33
        Originally posted by boast View Post
        we need a universal call, like windows has, for programs to be able to tell the wm to disable compositing when needed.
        _NET_WM_STATE_FULLSCREEN / _NET_WM_FULLSCREEN_MONITORS
        written in capitals, stupid vbulletin board is stupid.

        Originally posted by Cyborg16 View Post
        Plus much more, like making sure Alt+Tab and media keys still work inside games with a keyboard grab. It's a long list...
        Multimedia keys work in games for me. I use compiz, so its WM-related.
        Alt-Tab should be implemented on application side, works for me.
        Last edited by brosis; 01-31-2013, 10:30 AM.

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        • #34
          Originally posted by Cyborg16 View Post
          glxgears isn't a particularly useful benchmark. Rexilion, certainly don't interpret that to mean "Ubuntu and Cinnamon 2D will perform far slower than other desktops in demanding games."
          Agreed, glxgears is not a useful OpenGL 'wide' benchmark. But, to my opinion, should not exhibit such behaviour by just changing desktop environments. That's insane.

          Even though it should not be seen as a useful benchmark, it should not run faster or slower depending on the DE used.

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          • #35
            Xfwm is composited and it does not slow things down. (Even if Michael apparently did the benchmarks without compositing.)

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            • #36
              Originally posted by Cyborg16 View Post
              There were two things I got from those benchmarks: 1) light-weight desktops are in general slightly faster than heavyweights (but usually not more than about 20% which implies for casual games it may not be an issue), and 2) there are a few unusual cases like Prey on Unity where the slowdown is higher than expected.

              Michael, you're benchmark articles tend to lack two things: 1) a conclusion (like the above, expanded a little but still short, at the end) and 2) a little speculative discussion on why, e.g. one of the first questions in the forums was:

              Especially since this feature has to be selected manually but has a significant effect it's worth a quick mention.
              Actually it doesn't have to be selected manually every time. KDE allows the user to specify window rules, such as "suspend compositing when openarena is running" which makes it automatic. Any gamer on KDE would naturally add such rules.

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              • #37
                Originally posted by funkSTAR View Post
                The bad news: Linux desktops are still unoptimized for gaming. Inconsistent at best, complete random at worst.
                Then I wonder why it kills windoze in performance?

                The fun news: KDE is freaking slow. Im already looking forward to the neckbeards suggesting hundreds of configs to change instead of just admitting the facts.
                With suspend compositions it's running at full power and it's just a single option. I wouldn't be surprised if such option doesn't exist in gnome shell.

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                • #38
                  that was odd for me to believe too

                  Originally posted by Rexilion View Post
                  That's odd... Maybe because they use something fglrx doesn't support? wow...
                  I had good result with vsync turned off on kde. I have not tested games on 2d desktop environments

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                  • #39
                    Would there be any argument as to why Undirect Fullscreen Windows SHOULDN'T be enabled by default in KDE?

                    I installed Ubuntu 12.04 last week on a machine and went to enable the equivalent functionality in Compiz Settings Manager and noticed the option was already enabled by default, so I wonder if the KDE devs should do the same thing.

                    If gaming in windowed mode, again I personally just switch off effects. Not like I need a cube or fancy transparency effects while playing a game anyway

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                    • #40
                      Originally posted by talvik View Post
                      I disagree, sticking to the default is the most realistic test. What is 'unredirect fullscreen'?
                      Every benchmark someone says it's useless because: "Distro Y sucks, distro X wasn't tested", "gcc didn't A,B,C parameters", "kernel ....", "Testing version 3.5.71 is stupid", "Gosh, proper gaming is done with low latency real time kernel."....

                      Last time I saw a blog post by kwin dev about Phoronix benchmark. He thought the benchmark was useless, because it didn't use kwin with three different drawing back-ends and n other settings. If everyone had their way, each chart would have thousands of items.
                      Agreed. Most Linux users are going to be using default settings.

                      To those who are complaining about these benchmarks: Do you really think it is realistic for the average user coming from Windows to know how to tweak numerous settings in each Desktop? I've used Gnome-Shell since its release, and still not sure how to "Unredirect fullscreen", or if there is even an option.

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                      • #41
                        Originally posted by boast View Post
                        we need a universal call, like Windows has, for programs to be able to tell the WM to disable compositing when needed.
                        Best idea I've heard yet!! Now why doesn't something like this exist???

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                        • #42
                          Originally posted by gururise View Post
                          Best idea I've heard yet!! Now why doesn't something like this exist???
                          - itís not required to make the games run
                          - I donít want game developers to decide if my screen should be composited or not
                          - game developers donít want to bother with this
                          - why ask game devs to code this in each and every game when it can (should) be solved once and for all in the WM?

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                          • #43
                            Originally posted by gururise View Post
                            Agreed. Most Linux users are going to be using default settings.

                            To those who are complaining about these benchmarks: Do you really think it is realistic for the average user coming from Windows to know how to tweak numerous settings in each Desktop? I've used Gnome-Shell since its release, and still not sure how to "Unredirect fullscreen", or if there is even an option.
                            Again... Not Numerous Settings... one setting. Which I don't know about Gnome Shell (you probably have to use it's registry tool), but in KDE it's very easy to get to System Settings -> Desktop Effects -> advanced, and the bam you just check the "Suspend desktop effects for full screen windows" and you're done. Besides if they're doing gaming to the point where performance actually matters assuming they have a modern system (Llano/Sandybridge and forward) if they're using integrated graphics or if they've got at least a decent graphics card otherwise (it's insane to assume gaming period on systems that don't fit one of those two categories) you expect them to have at least some level of knowledge, not Joe Bloggs who isn't configuring anything.

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                            • #44
                              Originally posted by gururise View Post
                              I've used Gnome-Shell since its release, and still not sure how to "Unredirect fullscreen", or if there is even an option.
                              Mutter already does this by default.

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                              • #45
                                These benchmarks clearly show that performance of games can be influenced by compositing WMs.
                                So the real question that remains for me is: Why is Michael using Unity when it comes to benchmarks of different driver versions, when it is so obvious that there is a non-predictable influence on performance? Why not use Openbox for those benchmarks instead, which constantly delivers the same good performance?

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