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Thread: Mame slow compared to Windows 7

  1. #1
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    Sep 2012
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    Mame slow compared to Windows 7

    After a few recompiles and optimizations I think mame64's running about as fast as I can get it on my 12.04 system (about 7 times faster than it ran originally). Unfortunately, for e.g. pacman that's still about 5 times slower than it runs under Windows 7 (about 700% on Linux vs 3500% on Windows 7, the same dual boot system). That makes many of the later games still unplayable under Linux while they run fine under Windows 7. Anyone willing and able to help me figure out what the cause for this difference is?

  2. #2
    Join Date
    May 2007
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    Sheffield, UK
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    Re: Mame slow compared to Windows 7

    Have you tried a different DE? It could be Unity that's slowing things down. I use Cinnamon and have no issues with games on my very humble system. You could go for something even lighter, but I don't think there'll be a lot in it. and Cinnamon could be fine.

    It could be a number of things though, unrelated to the DE. Nvidia? Proprietary driver or Nouveau free driver?
    AMD Phenom X4 945, 4Gb Crucial 800Mhz DDR2 RAM, 1Tb SATA III HDD, nVidia 9800GT 512Mb

  3. #3
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    Aug 2009
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    Re: Mame slow compared to Windows 7

    Quote Originally Posted by phulshof View Post
    After a few recompiles and optimizations I think mame64's running about as fast as I can get it on my 12.04 system (about 7 times faster than it ran originally). Unfortunately, for e.g. pacman that's still about 5 times slower than it runs under Windows 7 (about 700% on Linux vs 3500% on Windows 7, the same dual boot system). That makes many of the later games still unplayable under Linux while they run fine under Windows 7. Anyone willing and able to help me figure out what the cause for this difference is?
    From your description, it's obvious what the problem is.
    Last edited by thatguruguy; September 29th, 2012 at 02:39 PM.

  4. #4
    Join Date
    Jul 2012
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    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Mame slow compared to Windows 7

    Compiz or some misconfigurations? On my system it works perfectly and even faster than on windozw.

  5. #5
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    Sep 2012
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    Re: Mame slow compared to Windows 7

    Quote Originally Posted by thatguruguy View Post
    From your description, it's obvious what the problem is.
    Please share your wisdom with us? It's clearly not obvious to me yet.

  6. #6
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    Re: Mame slow compared to Windows 7

    Quote Originally Posted by phulshof View Post
    Please share your wisdom with us? It's clearly not obvious to me yet.
    No one can help you without information. For instance, you might want to share with us a description of your hardware.
    If you are asking about a problem with your system, make sure to give details about your setup. OTHERWISE, NO ONE CAN HELP YOU.

  7. #7
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    Sep 2012
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    Re: Mame slow compared to Windows 7

    Quote Originally Posted by thatguruguy View Post
    No one can help you without information. For instance, you might want to share with us a description of your hardware.
    Fair enough, though I was hoping for some requests on what information exactly was needed, and perhaps the commands needed to get them. In any case, for starters:

    Computer: Alternate Laptop
    CPU: Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz
    GPU: AMD Radeon HD 6900M
    RAM: 8 GB
    glxgears: about 1280 FPS

  8. #8
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    Sep 2012
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    8

    Re: Mame slow compared to Windows 7

    Quote Originally Posted by BigSilly View Post
    Have you tried a different DE? It could be Unity that's slowing things down. I use Cinnamon and have no issues with games on my very humble system. You could go for something even lighter, but I don't think there'll be a lot in it. and Cinnamon could be fine.

    It could be a number of things though, unrelated to the DE. Nvidia? Proprietary driver or Nouveau free driver?
    A quick test shows about 10% speed increase under OpenBox; it might be the ATi driver though.

  9. #9
    Join Date
    May 2007
    Location
    Sheffield, UK
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    1,211

    Re: Mame slow compared to Windows 7

    Well, your system is much better than mine, and I get -

    Code:
    bigsilly@bigsilly ~ $ glxgears
    26627 frames in 5.0 seconds = 5325.238 FPS
    28157 frames in 5.0 seconds = 5631.218 FPS
    26991 frames in 5.0 seconds = 5398.030 FPS
    28185 frames in 5.0 seconds = 5636.889 FPS
    28221 frames in 5.0 seconds = 5644.181 FPS
    28022 frames in 5.0 seconds = 5604.253 FPS
    28015 frames in 5.0 seconds = 5602.441 FPS
    28063 frames in 5.0 seconds = 5612.406 FPS
    - using Mint Cinnamon, but then I am using a desktop GPU. It could be your driver; do you have the latest one from Additional Drivers? Have you configured it via the Catalyst panel? Perhaps you could take a look in the mame.ini file and check that openGL is enabled? It should be in /etc/mame/mame.ini.
    AMD Phenom X4 945, 4Gb Crucial 800Mhz DDR2 RAM, 1Tb SATA III HDD, nVidia 9800GT 512Mb

  10. #10
    Join Date
    Aug 2009
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    1,419

    Re: Mame slow compared to Windows 7

    What do you get when you type the following in a terminal?
    Code:
    fglrxinfo
    Do you have hybrid graphics on that computer?
    If you are asking about a problem with your system, make sure to give details about your setup. OTHERWISE, NO ONE CAN HELP YOU.

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