Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-07 Thread James Chaldecott
[EMAIL PROTECTED] wrote: Many thanks for this tip. I tried it out and indeed there is a "Set Affinity" option in the Taskmanager. Apparently, this option lets you assign one or more of the 4 virtual processors to a particular task. (W2K seems to have this concept of virtual processors, I am no e

Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-07 Thread Rolf Campbell
Ken Thompson wrote: At 01:24 PM 7/7/2004, Rolf Campbell wrote: Sorry Brian, that is bogus. I'm running one HT processor right now. The combined CPU utilization is not an actual display of usage, but theoretical usage, based on scheduling. It's really how much of the CPU was NOT being used by t

Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-07 Thread Ken Thompson
At 01:24 PM 7/7/2004, Rolf Campbell wrote: Brian Dessent wrote: mathiasdotwagneratphilipsdotcom wrote: Many thanks for this tip. I tried it out and indeed there is a "Set Affinity" option in the Taskmanager. Apparently, this option lets you assign one or more of the 4 virtual processors to a partic

Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-07 Thread Rolf Campbell
Brian Dessent wrote: [EMAIL PROTECTED] wrote: Many thanks for this tip. I tried it out and indeed there is a "Set Affinity" option in the Taskmanager. Apparently, this option lets you assign one or more of the 4 virtual processors to a particular task. (W2K seems to have this concept of virtual pro

Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-07 Thread Brian Dessent
[EMAIL PROTECTED] wrote: > Many thanks for this tip. I tried it out and indeed there is a "Set > Affinity" option in the Taskmanager. Apparently, this option lets you > assign one or more of the 4 virtual processors to a particular task. (W2K > seems to have this concept of virtual processors, I a

Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-07 Thread mathias . wagner
ct: Re: two instances of a.exe on dual processor - still only 50% performance Classification: On Tuesday, July 06, 2004 2:16 PM [EST], [EMAIL PROTECTED] wrote: > Hi guys, > > I've tried to plough through your archives on dual processors and > somebody said that

Re: two instances of a.exe on dual processor - still only 50% performance

2004-07-06 Thread Brian Bruns
On Tuesday, July 06, 2004 2:16 PM [EST], [EMAIL PROTECTED] wrote: > Hi guys, > > I've tried to plough through your archives on dual processors and > somebody said that when you've got a dual processor machine, one > has to start two instances of one's program to get both processors > working - one

two instances of a.exe on dual processor - still only 50% performance

2004-07-06 Thread mathias . wagner
Hi guys, I've tried to plough through your archives on dual processors and somebody said that when you've got a dual processor machine, one has to start two instances of one's program to get both processors working - one on each job. Fine, this is what I used to do on a DEC Apha, but on my Wind