On Wed, 20 Mar 2002 [EMAIL PROTECTED] wrote: > Well, you could also get a difference from another effect, if your > arrays are large. Think virtual memory. If your arrays take a number > of pages larger than the number of slots in the TLB (the TLB is a fast > cache for page table lookups, ie virtual->physical address lookups), > then wandering back and forth through memory will cause extra memory > accesses to re-fetch the entries that are pushed out of the TLB.
Are these the "minor" page faults, as reported by time? Cheers, Paul. ------------------------------------------------------------------------------ Paul Millar yo-yo, n. : Particle Physics Theory Group Something that is occasionally Department of Physics and Astronomy up but normally down. University of Glasgow, (see also Computer) Glasgow G12 8QQ, [EMAIL PROTECTED] Scotland +44 (0)141 330 4717 ------------------------------------------------------------------------------ -------------------------------------------------------------------- http://www.lug.org.uk http://www.linuxportal.co.uk http://www.linuxjob.co.uk http://www.linuxshop.co.uk --------------------------------------------------------------------
