Hello I also configured the same one and can go up to 32 GB at least as an option. I request vista 64 however in the configuration. I understand that J will run under vista 64. I think that I will take your advise not to get a second processor but if one is doing simulations one can run more copies of the program simultaneously with more processors. Is dual quad the same as 8 processors I wonder or not quite so. Does J have any restriction on how much ram it can use?
PS I am not used to using the word core for processor since core used to mean main memory , like "core dump" is not a dump of the processor but of main memory. But then main memory should not be called RAM either since it is not randomly accessed but accessed in a very precise manner rather. cheers Roelof Dr. Roelof K. Brouwer PEng PhD http://www.tru.ca/faculty/rbrouwer Professor Emeritus School of Advanced Technologies and Mathematics Thompson Rivers University 900 McGill Road, PO Box 3010 Kamloops, BC, Canada,V2C 5N3 1 250 374 5874 home 1 250 828 5219 work 1 250 377 6133 fax email [EMAIL PROTECTED] -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Devon McCormick Sent: January 29, 2008 7:28 PM To: General forum Subject: Re: [Jgeneral] dell precision t7400 I just visited the Dell website and configured myself a 7400. I find it a little suspicious that they do not offer more than 4GB RAM installed as an option. Check very carefully that you will be able to use more RAM - in fact, I recall that there's a problem with using all 4GB under Windows, never mind more than that. Perhaps the Linux people can verify that they can actually access more RAM than this? Also, at the cost of a second processor (over $500 USD), I would be reluctant to get more than one unless you absolutely know you have a need for it and can take advantage of it. In my experience, multi-core works OK - at least as well as you can make it work - for multi-processing. I do use this capability on occasion but much of the time my second core is idle. Getting a second 17'' or 19'' (do they quote them in metric where you are?) monitor is probably more useful and cheaper. On 1/29/08, Devon McCormick <[EMAIL PROTECTED]> wrote: > > I'm happy with my Dell Precision (M90), not the least because of the large > screen: 1920 x 1200 (awfully good for a laptop). > Think about dual monitors - 2 x 17'' is a lot more area than 21'' and much > cheaper. As much RAM and disk as you can afford but pay close attention to > which OSs will really work with RAM over 4GB. > > On 1/28/08, Roelof K Brouwer <[EMAIL PROTECTED]> wrote: > > > > I am looking at purchasing a dell precision t7400 with vista 64 > > operating > > system and quad core probably with the main purpose of developing and > > running J coded algorithms. > > > > I have some decisions to make > > > > Such as how much ram > > > > Quad core or dual quad core > > > > Linux, Windows XP or vista 64 > > > > I am favouring vista 64 at this time > > > > Does anyone have any ideas > > > > > > > > cheers > > > > > > > > Roelof > > > > > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > -- > Devon McCormick, CFA > ^me^ at acm. > org is my > preferred e-mail > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
