If there are other symptoms like an increase in paging, I might suspect a memory leak.
On 9/7/07, Henry Rich <[EMAIL PROTECTED]> wrote: > > I saw something like this (on J32) years ago. It went away after a > reboot and never returned. I have run the same long job hundreds of > times since then. > > Henry Rich > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Anssi Seppälä > > Sent: Friday, September 07, 2007 4:38 PM > > To: General forum > > Subject: [Jgeneral] XP 64bit low performance > > > > With 64 bit J in XP64 I have noticed that after some time the J > > program becomes slower. For example 1,5 hours identical computation > > (using mapped files of 1300MB) takes 10 hours. After restarting the > > operating system the computation speed returns to the original status. > > > > This is obviously not only related to J, but there is so little > > information what and why such happens. I have no idea what happens > > there. Only thing I see is Task Manager that shows that J is taking > > longer CPU time. > > > > I wonder if somebody has this similar experience? Is there any idea > > what I should to observe to find the reason that makes J run slower? > > > > Anssi > > > > ---------------------------------------------------------------------- > > For information about J forums see > > http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
