Matlab crashes while running *.mexw32

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Amit Kalhapure
Amit Kalhapure 2012-6-11
Matlab crashes while running *.mexw32 file. This file is generated from a .cpp code. The Matlab runs fine when the output data size is less, but it crashes for higher data size output.
  2 个评论
Kaustubha Govind
Kaustubha Govind 2012-6-11
I wonder if you're running out of memory? Try checking for NULL pointers returned from mxCreate* functions and throw an error using mexErrMsgTxt.
Amit Kalhapure
Amit Kalhapure 2012-6-11
Yes I'm running short of memory. Is there any way to get rid of this problem?
Thanks.

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采纳的回答

Jan
Jan 2012-6-11
This means, that the CPP-function has a serious bug.
[EDITED, reply to comment "get rid of the problem of running out of memory]:
  1. Install more memory.
  2. Reduce the memory consumption of your program.
  3. Check all created arrays for NULL. Never never never omit such checks. They cost micro-seconds of runtime and seconds to be typed in, but they save hours of tedious debugging and not reproducible crashs.
  2 个评论
Amit Kalhapure
Amit Kalhapure 2012-6-11
But in VS2010 I never encountered such problem. Matlab also able to execute the same code but sometimes it fails. I get lot of warnings related to unreferenced local variable.
Thanks.
Jan
Jan 2012-6-11
Dear Amit, I do not see a chance to guess the cause of the your problems without seeing the code.

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