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RE: Re-establish link to running Kernel

  • To: mathgroup at smc.vnet.net
  • Subject: [mg41482] RE: [mg41456] Re-establish link to running Kernel
  • From: "Ingolf Dahl" <ingolf.dahl at telia.com>
  • Date: Thu, 22 May 2003 06:53:17 -0400 (EDT)
  • In-reply-to: <200305211157.HAA06805@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

If you perform such long calculations, you should direct the output to a
file, and preferably also take out intermediate results, so that you can
restart the calculation  after crashes. Then you might let the Front End
crash without forsaking anything. Sometimes I have deliberately killed the
Front End to free resources, while the Kernel proceeded with its tasks. This
does not help you this time, but maybe the next. One way, among other, to
take out intermediate results is to let Mathematica print out simple
Mathematica code, with the actual values of the parameters inserted. Then
these files become readable both for yourself and for Mathematica.
Consider also upgrading, if that is an option for you. My impression is that
there has been a very substantial improvement in the stability in the later
releases, especially for the Front End. But that might be platform
dependent.

Ingolf Dahl


>-----Original Message-----
>From: Martin Manscher [mailto:please.respond at in.newsgroup]
To: mathgroup at smc.vnet.net
>Sent: Wednesday, May 21, 2003 13:58
>To: mathgroup at smc.vnet.net
>Subject: [mg41482] [mg41456] Re-establish link to running Kernel
>
>
>I have a long calculation running on a Mathematica 3.0.1 kernel. Today, the
>frontend crashed, but the kernel kept running. Now, instead of annoying my
>co-workers with loud swear words, killing the kernel (losing 60 CPU hrs)and
>starting all over again, I was wondering whether it is possible to
>re-establish the link to the kernel with a new frontend. Is this possible?
>
>Martin Manscher
>
>
>



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