Re: Kernel closes after nested function returns
- To: mathgroup at smc.vnet.net
- Subject: [mg74732] Re: Kernel closes after nested function returns
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 2 Apr 2007 07:01:06 -0400 (EDT)
- References: <email@example.com>
Mathematica copy the data quite often and I would expect, that you
run out of memory or the kernel need more memory than the operating
system allows. You may hinder the copy process by using a Block in
func A and use in func B the variable name of func A
eventual with the full context.
Or you may transfer the symbol with the HoldFirst attribute
or you may use a 64 bit system.
Lawrence Walker wrote:
> I've been experiencing a problem where the kernel and all of my mathlink
> programs quits. Upon debugging with Workbench, I saw that mathlink
> returns an error when returning from a called function.
> The scenario goes like this: I run a package containing definitions for
> function A and function B. When I run funcA during the notebook
> session, I pass a very large list to funcA. funcA then calls funcB and
> passes the large list to it. funcB returns its results to funcA. Next
> funcA finish performing all of its calculations. Finally, funcA
> prepares to return its results to the notebook session. And thats when
> the kernel quits with no warning.
> After further debugging, I found that everything works when passing
> smaller lists. So, I suspect a memory problem.
> I solved the problem by modifying funcA to not have to call funcB. Now
> I can work with very large lists.
> But this still doesn't solve a problem that could be related to
> Mathematica 5.2. Does anyone know how to fix this?
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