On 7/31/2012 6:01 PM, Jason Newton wrote: > I'm still interested in finding out why streaming a few hundred MB to disk > has so much over head in comparison to the calculations I do in userspace, 1. md eats a lot of cycles at high data rates 2. ATA overhead 3. IRQ/MSI overhead 4. Etc. All these small bits add up to more than negligible CPU overhead at high data rates. -- Stan _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
