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On Sun, 2006-10-29 at 13:36 +0100, Marco Calviani wrote: |
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> Hi list, |
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> the slowness of AIGLX was due to the fact that i was running |
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> xorg-server without enabling the aiglx flag. |
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|
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what aiglx flag? |
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|
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$ equery u xorg-server | grep -i aiglx |
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$ <nothing> |
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|
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> After having enabled it |
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> xorg started running with AIGLX (using compiz or beryl). |
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> Although the system is quite usable there is still an issue: i thought |
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> the system would have relied completely on video card acceleration. |
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> However whenever i run an AIGLX effect such as the cube or just window |
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> moving the CPU goes up to 80-90% during all the time the effect is |
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> running. This behaviour makes the system A LOT less responsive than it |
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> is without AIGLX. |
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> Is this a known issue? |
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|
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I think it can depend on the driver. With some versions of ati-drivers, |
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the CPU is used to help the GPU, and I get great frame rates. With |
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other version of ati-drivers (including 8.28.8 and 8.29.6) the cpu |
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usages stays low for all 3d, and I get crap framerates... |
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|
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don't know if this is your issue, but it sounds similar. |
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|
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HTH, |
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-- |
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Iain Buchanan <iaindb at netspace dot net dot au> |
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|
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If you knew what to say next, would you say it? |
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-- |
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