On Sep 13, 2011, at 3:28 PM, Steve Sisak wrote:

> Actually, I believe that mmap just maps the the file into memory using the VM 
> system -- it's initially paged out and read in as each page is touched...

Yes, thus my comment. Did the OP actually read all values? The time seems too 
fast for that unless everything was cached. But on the other hand the time 
seemed way too slow to just be the mmap call itself without actually reading 
data.


-- 
Scott Ribe
scott_r...@elevated-dev.com
http://www.elevated-dev.com/
(303) 722-0567 voice




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