According to LMbench2 on a 2-way 900MHz Itanium 2:
Context switching 0K - times in microseconds - smaller is better
----------------------------------------------------------------
OS 2p/0k 4p/0k 8p/0k
ctx swtch ctx swtch ctx swtch
----------------------------- --------- --------- ---------
Linux 2.5.72 1.5700000 1.6200000 1.7700000
Linux 2.6.0 15.0600 8.6900000 8.8600000
Linux 2.6.11 17.1900 17.2100 10.5400
I have to go now, but I'll try to track this down tomorrow.
--
Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au
The technical we do immediately, the political takes *forever*
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