On Tue, 2011-09-13 at 10:52 -0500, Jeffrey Bastian wrote: > On 2011-09-13 10:18, Mark Salter wrote: > > These numbers are for SD card in an mmc slot, right? I wouldn't expect > > the patch to the USB EHCI driver to have any effect on SD card speed. > > Oh, you're right. I ran bonnie++ against a USB hard drive and it shows > a whopping improvement! > > I've edited my blog post and added the USB hard drive numbers: > http://jeffbastian.blogspot.com/2011/09/storage-speed-on-pandaboard-revisited.html > > > > The big write performance hits are worrisome, though. I'd be good to > > test on one kernel version with and without the patch just to make sure. > > Also comparing SD performance with and without nosmp passed on cmdline > > would be interesting. > > > Okay, so I should run 8 tests? > patch smp sd-card > patch smp usb-hd > patch nosmp sd-card > patch nosmp usb-hd > no-patch smp sd-card > no-patch smp usb-hd > no-patch nosmp sd-card > no-patch nosmp usb-hd I already have a good idea what the results will look like for usb, so just the other four with sd-card. --Mark _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
