Re: SV: Mersenne: number of processors participating

2001-11-04 Thread Nathan Russell
On Tue, 30 Oct 2001 21:33:59 -0500, Rick Pali <[EMAIL PROTECTED]> wrote: >Aaron Blosser wrote: > >>Good old sysinternals... they have the neatest tools. > >Damn straight! I've been using (and loving) PageDefrag since I stumbled on >that site. A few other gems have since made their way onto my sy

Re: SV: Mersenne: number of processors participating

2001-10-31 Thread bjb
On 30 Oct 2001, at 14:39, John R Pierce wrote: > near as I can guess, the issue here is that Prime95 is running a few > priority notches above idle and when another process tries to run at a > lower priority it will stall behind prime95. > Well - a process that keeps being preempted will tend to

Re: SV: Mersenne: number of processors participating

2001-10-31 Thread Alexander Kruppa
> Another other way to "fix" the problem is to have the compute- > intensive process voluntarily relinquish its timeslice at intervals > which are much shorter than the minimum timeslice (which is > typically of the order of 200 ms). This reduces the efficiency of the > compute-intensive task to

Thrashing (was Re: SV: Mersenne: number of processors participating)

2001-10-30 Thread Ken Kriesel
What will really slow a workstation or server down is running short of RAM. These days the working sets are getting appreciable as the exponents increase. NT scheduling will wake up the service version of ntprime every second I think and give it at least one quantum. If some more essential service

RE: SV: Mersenne: number of processors participating

2001-10-30 Thread Rick Pali
Aaron Blosser wrote: >Good old sysinternals... they have the neatest tools. Damn straight! I've been using (and loving) PageDefrag since I stumbled on that site. A few other gems have since made their way onto my system... Rick. -+--- [EMAIL PROTECTED] http://www.alienshore.com/seeking/

Re: SV: Mersenne: number of processors participating

2001-10-30 Thread John R Pierce
> > I've had similar problems with a few other multimedia sorts of > > junkware. Near as I can tell, some of these things put their video or > > animation thread at Idle_Priority+1 or something, and it gets eaten > > alive by Prime95. > > Isn't it the old problem - no matter what priority a proces

RE: SV: Mersenne: number of processors participating

2001-10-30 Thread Aaron Blosser
> One way to improve the performance in these circumstances is to > reduce the minimum timeslice for low-priority processes. This will > cause the task scheduler to be "busier" and therefore reduce the > overall performance to some extent, but multimedia type > applications will coexist much more

Re: SV: Mersenne: number of processors participating

2001-10-30 Thread bjb
On 29 Oct 2001, at 19:37, John R Pierce wrote: > I've had similar problems with a few other multimedia sorts of > junkware. Near as I can tell, some of these things put their video or > animation thread at Idle_Priority+1 or something, and it gets eaten > alive by Prime95. Isn't it the old probl

Re: SV: Mersenne: number of processors participating

2001-10-29 Thread Nathan Russell
On Mon, 29 Oct 2001 17:05:02 -0800, "Aaron Blosser" <[EMAIL PROTECTED]> wrote: > >Still the only time I've ever seen Prime95/NTPrime slow down a system is when I was >doing some Netmeeting video conferences. > >With it running, the video conference would run DOG slow. Stop the NTPrime service

Re: SV: Mersenne: number of processors participating

2001-10-29 Thread John R Pierce
> Still the only time I've ever seen Prime95/NTPrime slow down a system is when I was doing some Netmeeting video conferences. > > With it running, the video conference would run DOG slow. Stop the NTPrime service and curiously had to restart the video conference for the effect, but the video wou

Re: SV: Mersenne: number of processors participating

2001-10-29 Thread Aaron Blosser
y users advantage. > Make the sleepy nights for my servers glorius. I make them start prime95 > by a schedule and You make prime95 die by harikiri - and I decide when > everything happens. :-) Tnx in advance. > > Still happy hunting > tsc > > > -----Oprindelig meddele