On Fri, Dec 5, 2008 at 11:30 AM, Paul Lalonde <[EMAIL PROTECTED]> wrote: > But random access patterns suck at being speculatively cached. > Linear access patterns still require reasonably careful work for the caching > to do the right thing. > Expecting your entire frame buffer to be cached in L2 isn't particularly > reasonable. >
I'm pretty sure we can put some #s on this discussion. It's too fuzzy for me. Forget speculative reads, for now. Paul, what kind of time are you seeing on your measurements to load a cache line over pcie from a card? ron
