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To: fastpathguru who wrote (255217)8/5/2008 3:23:12 AM
From: graphicsguruRespond to of 275872
 
There's still contention for texture data in the pixel shaders though.

If they're smart, texture memory is designated read-only by the time the
pixel shaders look at it, so there's no contention in the sense of
cache thrashing. Only shared access to texture memory -- the
same as in conventional cards. It's known how to make that fast
enough.



To: fastpathguru who wrote (255217)8/5/2008 10:53:17 AM
From: wbmwRespond to of 275872
 
Re: But if that's the case, it would be nice to see some indication of it on the chart, rather than setting up false expectations.

The chart may not need to be changed. Unless there is a CPU bottleneck, the graphics card should scale as well as the hardware allows. And perhaps Intel is assuming that there will be faster CPUs in the Larrabee time frame. :-)


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