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
