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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?
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It seems to be built around Kernel 3.8.2. I have been warned not to dabble with the kernel because Linux Mint comes as a complete, tested and supported distro. The latest version of Linux Mint (Linix Mint 15) is based on Ubuntu 13.04 which is based on the 3.8.8 Linux upstream kernel. I'm thinking I would be better to upgrade to that. What would you advise?
Wow! Thanks - that changes glxgears to 8350 FPS. How do I incorporate that as a permanent change?
glxgears is rather a simple bit of 3D rendering, so it's not surprising that it can render at such a high fps with sync to vblank disabled. Other more demanding 3D aps may only manage a few hundred. Your monitor refresh will usually be at 60Hz, so there is not much point in the graphics card churning out e.g. 300 fps if the monitor is only going to render 60 fps... as TobiSGD said, it will cause visual tearing.
OK, thanks. That all makes sense. Going back to my original query, how can I establish whether my HD4000 graphics controller is performing as it should? I am aware of the Phoronix test suite but there are so many tests and I'm unsure how to interpret the results. Any suggestions would be appreciated.
Newer kernel will help. I tried a HD4000 ultrabook on the Mint 15 beta a few weeks back (liveCD only) - graphics were ok, but you might want to look at this. Wouldn't be too hard to make the ppa fit Mint - for Mint 14 maybe no work at all.
To test your graphics just run a game of which you have data to compare with your system. The Phoronix Test Suite is nice, but overkill to just test the graphics. Nonetheless it can give you some data on the games you can try, like OpenArena, Nexuiz, ... .