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List:       freedesktop-xorg
Subject:    Re: EXA for radeon experimental patch
From:       Alan Cox <alan () lxorguk ! ukuu ! org ! uk>
Date:       2005-08-31 17:22:09
Message-ID: 1125508929.3355.86.camel () localhost ! localdomain
[Download RAW message or body]

> In my non-DMA UMA hardware (sis), upload with sse peaks at about
> 540MB/sec, while download peaks at about 50MB/sec (naturally regardless
> whether SSE or MMX or whatever).

What occurs if you mark the frame buffer memory cachable and then flush
the data off the CPU by hand ? That *seemed* to be working on the VIA
when I tried abusing it


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