Hyperthreading with SMP in 5.2

Peter Schultz pmes at bis.midco.net
Wed Jan 14 11:03:42 PST 2004

Andrew Edwards (Olympic Shaver Centre) wrote:
> Could anyone clarify the level of support for Pentium 4
 > hyperthreading in 5.2?

Virtual SMP lags as literal SMP still isn't even fully tuned.

 > i.e if I run a single cpu heavy process, whereas without
 > hyperthreading I would see 100% usage now I only see around 50%.

The program itself has got to be written with SMP in mind in order to 
accomplish that.

You'll never have perfect CPU utilization.  Maybe with some 
superconductive quantum computer or some such futuristic thing.  :-)


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