Graphics Performance

Thomas White taw at bitwiz.org.uk
Mon Apr 6 19:27:40 CEST 2009


On Fri, 03 Apr 2009 21:14:16 +0100
Ian Stirling <OpenMoko at mauve.plus.com> wrote:

> > What is the bandwidth for memory moves?
> 
> About 6-8 or so - with 100% CPU utilisation

Or "one pixel per 2D engine clock cycle" for moves inside Glamo's memory
using its blitter (i.e. VRAM->VRAM).  I think that in the Freerunner
the relevant clock runs at 50MHz, but I haven't managed to properly
decipher what's going on in that regard.

Tom




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