So, it seems that for my application (database in memory, 14 millions
of very small requests), Centrino (aka Pentium M) has a build-in
hardware to boost Postgres performance :-)
Any experience to confirm this fact ?


On my Centrino, Python flies. This might be due to the very large processor cache. Probably it is the same for perl. With two megabytes of cache, sorting things that fit into the cache should be a lot faster too. Maybe this explains it.

        Check this out :

http://www.anandtech.com/linux/showdoc.aspx?i=2308&p=5

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2129&p=11

        Bonus for Opteron lovers :

"The Dual Opteron 252's lead by 19% over the Quad Xeon 3.6 GHz 667MHz FSB"

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2397&p=12

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