On Thu, May 27, 2010 at 7:52 PM, Alan Cox <alan at lxorguk.ukuu.org.uk> wrote: >> Look up tables have some hidden penalties but I think it might be a >> win. Looks like we may have to benchmark the solutions against one >> another to really know which is best in real life. > > For x86 and ppc the single assembler instruction is fastest. Can you wire > an R600 to anything else ?
Anything with a pci or pcie bus in theory. This is a slow path already, so I doesn't really matter what we use. I'd prefer to keep the code readable. Alex
