(no subject)
Sam Livingston-Gray
sam at timestream.net
Fri May 4 17:45:57 UTC 2007
I wondered if that might be the case. Thanks!
-Sam
On May 4, 2007, at 10:42 AM, Andreas Raab wrote:
> Check if you have a CPU with Hyperthreading. On Windows, that
> behaves like a dual-core machine, so 50% CPU is simply the max you
> get for any single thread.
>
> Cheers,
> - Andreas
>
> Sam Livingston-Gray wrote:
>> Hello, all-
>> I've written a relatively long-running search program (started it
>> yesterday afternoon, and it was still chugging away when I left
>> the house this morning). I can leave it going indefinitely on my
>> desktop PC, but I noticed in the task manager that the Squeak
>> process was using exactly 50% of available CPU. This remains the
>> same regardless of whether the VM preference for "reduce CPU
>> usage" is checked. In the image itself, the "higherPerformance"
>> preference is checked.
>> (This is under Squeak 3.9 on a WinXP machine. If I remember
>> correctly, the CPU itself is one of the vintage 2005
>> hyperthreading Intel chips.)
>> Is there a way to tell the VM to hog the CPU? Failing that, would
>> there be any significant reason *not* to start a second Squeak
>> session to run another such job at the same time? (=
>> Thanks,
>> -Sam Livingston-Gray
>> comp.sci. senior, Portland State University
>
>
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