Matthew Dillon dillon at apollo.backplane.com
Wed Feb 2 00:08:43 PST 2011

:The guy who gave me the box says he has another one like it, but one is 
:hyperthreaded and the other isn't. Here's the beginning of dmesg. Is it 
:hyperthreaded, and if so, should I compile a kernel to take advantage of it?
:CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.02-MHz 686-class CPU)
:  Logical CPUs per core: 2

    Yes.  It has 2 real cpus and 2 hyper-threads per real cpu (4 total).

    Definitely worth running a SMP kernel.  Even things like the atom
    with one real cpu and 2 hyperthreads is worth running a SMP kernel


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