(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
>
>




More information about the Squeak-dev mailing list