Linux 2.6 and Hyper-Threading
2cpu tells us about Linux 2.6 and Hyper-Threading.
"While the general concensus on Prescott's performance in its current state (namely clockspeed) has not been glowing, we should take a moment to go over the architectural changes meant to improve hyper-threading. The simplest change Intel made to Prescott was increasing the size of the respective L caches on the processor. The L1 data cache was bumped from 8KB to 16KB and the L2 from 512KB to 1024KB. As I discussed previously, when you have two logical processors competing for shared resources, more is better."
(Submitted by Noel Fri Feb 27, 2004 )
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