Keith Whitwell wrote: > Texdown > 1327MB/s (i915tex) > 551MB/s (master, ttm) > 572MB/s (master, no-ttm) > Texdown, subimage > 1014MB/s (i915tex) > 134MB/s (master, ttm) > 148MB/s (master, no-ttm) >
Gem on this machine (kernel 2.6.24) is hitting Texdown 342MB/s Texdown, subimage 76MB/s ... > > - a separate regression seems to have killed texture upload performance on > master/ttm relative to it's ancestor i915tex. > Actually I think these are mostly issues stemming from not using write-combined mappings and instead using write-back mappings with clflush and chipset flush before binding to the GTT. Note that, from what I can tell, the i915 gem driver is still using mmap for these operations. /Thomas > Keith > > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel