Re: How to either diagnose or workaround code that makes octave get stuck

[marco atzeri]

On 7/1/2012 7:13 AM, andrewcd wrote:
> Hi All,
>
> I've got a long (~6 hour) monte carlo simulation that I run overnight.
> Recent versions of it have started freezing, maybe one iteration in 100.
> This is annoying because I leave the program chugging away, and then come
> back the next morning finding it stuck only a few repetitions in.  No error
> message, the OS is quck and crisp, the editor and the rest of the QT
> frontend are quick and fine, just no movement in the terminal, and the
> command prompt tied up.
>
> So, two questions:
> 1.  Is there something that I can do to get octave to skip past a set of
> code whenever it has taken to long to run?
> 2.  Is it possible to break a process, and then go back and find out what in
> the (output suppressed) script got octave stuck?
>
> I'm using 3.2.3 in QtOctave, on a 64 bit Ubuntu 10.04 machine.
>
> Thanks in advance for any help.
>
> --

QtOctave is not Octave but a GUI external at the project that
communicates with Octave :

http://octave-gsoc2012.blogspot.it/2012/06/why-not-take-existing-gui.html

Have you tried to use just Octave  ?

For debugging, it is surely better and to store all the log use the
diary command

http://www.gnu.org/software/octave/doc/interpreter/Diary-and-Echo-Commands.html#Diary-and-Echo-Commands
http://www.gnu.org/software/octave/doc/interpreter/Debugging.html#Debugging

Regards
Marco