On Thu, 2007-07-05 at 13:44 -0700, Nishanth Aravamudan wrote: > On 05.07.2007 [15:34:40 -0500], Steve Fox wrote: > > > > Well, so much for 'tomorrow' but here are some Stream numbers from a > > Power4+ box. I've attached them as a PDF since I can't seem to > > copy/paste from the spreadsheet into a mail without making a mess of > > it. > > Cool -- looks like partial remapping does exactly what I'd expect it to > for stream. It shows a performance boost, but nowhere near as large as > full relinking does. So it allows a user to 'see' if relinking might be > worthwhile, without actually relinking.
It occurred to me just after I posted the first PDF, that the testing was done on RHEL5, hence 64k base pages. The numbers are even more interesting when using SLES10 with a base page size of 4k (see attachment). -- Steve Fox IBM Linux Technology Center
partial2.pdf
Description: Adobe PDF document
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