lock contention etc.
Julian Elischer
julian at elischer.org
Thu Feb 1 20:04:02 UTC 2007
Ivan Voras wrote:
> Julian Elischer wrote:
>
>> 3762.94 real 2627.66 user 1275.78 sys
>> 2465.10 real 2958.94 user 1918.64 sys
>> 2262.88 real 4322.31 user 3333.58 sys
>
>> (2 processors with HTT) (looks like 4 processors)
>> -current, sched_4bsd
>
> I'm possibly stating the obvious, but did you try without HTT or on a
> real 4proc machine? Much of the contention might be an artifact of HTT
> (e.g. HTT "logical" processor blocking when real work could be done
> because the internal processor units are busy elsewhere).
>
>
yes I just sent an email stating that.
And I'm trying it again with the virtual cores turned off.
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