Re: Hyperthreading performance oddities

2008-02-22 Thread Frederik Deweerdt
Hello Henk, On Fri, Feb 22, 2008 at 10:36:01AM +0100, belcampo wrote: > Kernel 2.6.22.9 smp hyperthreading > BENCHMARKs: VC: 334.042s VO: 0.053s A: 0.000s Sys: 4.049s = 338.143s > Kernel 2.6.22.9 nonsmp/hyperthreading > BENCHMARKs: VC: 262.008s VO: 0.031s A: 0.000s Sys: 3.528s = 265.

Hyperthreading performance oddities

2008-02-22 Thread belcampo
Hi all, I would like to be personally CC'ed the answers/comments posted to the list in response to my posting. I have following CPU vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) 4 CPU 3.00GHz stepping: 1 cpu MHz :