On Fri, Jul 08, 2005 at 03:42:29PM +0100, Alex Gonzalez wrote: > The performance of our video application is well below our expectations. > We are still doing some profiling work on it, but we are also looking at > other possibilities. > > What other benchmarking tool would you recommend? > > Currently it's a NFS mounted system, but even if we could use a block > device the access speed wouldn't be more than 1.5 Mbps, so that is a > limitation for the benchmark. As a shot into the dark ... Make sure you exploit the RM9000's write-gathering capabilities when writing into the frame buffer. If the frame buffer happens to be on a PCI device you're probably performing uncached writes which will slow down the thing to a crawl. Ralf
