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- Newsgroups: comp.parallel
- Path: sparky!uunet!gatech!hubcap!fpst
- From: ghenniga@NMSU.Edu
- Subject: iPSC/860 malloc problem?
- Message-ID: <1993Jan5.124414.5471@hubcap.clemson.edu>
- Apparently-To: comp-parallel@uu.net
- Sender: usenet@nmsu.edu
- Reply-To: ghenniga@NMSU.Edu
- Organization: New Mexico State University - Electromagnetics Group
- Date: Mon, 4 Jan 1993 21:33:15 GMT
- Approved: parallel@hubcap.clemson.edu
- Lines: 26
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- I'm programming an Intel iPSC/860 using C and have an incessant
- problem when using malloc. When I run the code it'll go in to the malloc
- function and just hang. This occurs at different points depending on which
- data sets I'm using but the thing that really bothers me is that it gives
- me absolutely NO error and using "ipd" I can see that the amount of memory
- I'm attempting to allocate is reasonable, in some cases as little as 40
- bytes. I've also run problems with a different type of data but with a MUCH
- higher memory requirement with no problem. I've tried using "ipd" with the
- "step -i" instruction to see what's happening but I'm afraid my i860
- assembly skills are sorely lacking! I'm compiling my code on a Sun4 remote
- host and I believe the software release is 3.3.1.
- Has anyone had any similiar experiences? I've had similiar
- problems, with different pieces of code, on an nCube but it would fault
- rather than lock up.
-
- Any ideas/suggestions/help would be GREATLY appreciated!
-
- Thanks in advance,
- Gary Hennigan
- ---------
- PhD Student, Computational Electromagnetics
- New Mexico State University
- email: ghenniga@NMSU.Edu
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-