On Thu, 24 Feb 2005 18:22:28 -0500, Daniel Phillips <[EMAIL PROTECTED]> wrote:
> 
> Here are a few random thoughts on cache design... Each cache element has
> to be tagged, probably with a 23 bit address.  Each cache element has
> to be able to compare against the requested address.  A cache line is
> 32 bits, probably.  I think we need at least 16 entries to get any
> measurable improvement from it.  Timothy has suggested that each memory
> controller will have its own cache, and I can see how that simplifies
> things, but on the other hand it will require more cache entries in
> total to get the same benefit versus a shared cache.

I was thinking four entries, more precisely two pixel pairs.  :)
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