Re: Out of memory
- To: mathgroup at smc.vnet.net
- Subject: [mg36025] Re: Out of memory
- From: "Gareth J. Russell" <gjr2008 at columbia.edu>
- Date: Tue, 13 Aug 2002 05:22:48 -0400 (EDT)
- Organization: Columbia University
- References: <aj17k5$2nu$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Julio, I don't know about Windows in particular (never use it), but while you can use hard disk space as temporary memory space, it is much slower than using real memory. And using a disk on a slow external connection such as USB will be even slower. You calculation may never finish! I suggest: 1) Getting as much real memory as possible. It is pretty cheap right now. 2) Checking your calculations to see if you can reduce the amount of memory used. Depending on what it is that is eating up all the memory, the participants in this group may be able to help you with (2). Gareth P.S. I note also that you didn't tell us how much real memory you have. If you don't have much, so that your calculation starts using hard disk space immediately, it might turn out that with real memory, your calculation does not take as long as you thought... On 8/9/02 4:06 PM, in article aj17k5$2nu$1 at smc.vnet.net, "Julio Vera" <jvera at adinet.com.uy> wrote: > For long calculations, sometimes a message appears, telling the program > is out of disk space. The kernel shuts down. > > I searched the archives for the list, and found a number of postings on > this issue, but none of them solved my problem. > > I have 1.7 G of free space in my internal hard disk, but also have 22 G > free in my Buslink USB external hard drive. I would like to use this > space for the calculations. > > In Windows98 (control panel, system, performance, advanced, virtual > memory) there is an option to use this space, but it seems like its > either internal disk or external disk. I didn't dare to change it to > the external disk, because I received a scary message from W98 (you may > not be able to restart your computer). > > If I change the settings, will I be able to restart the PC? Is there a > way to use both disks succesively? Is there a way to use the external > one, but without restarting the computer? Is it possible to do this > directly from Mathematica?
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