AMBER Archive (2004)Subject: Re: AMBER: ptraj hbond memory allocation on opteron
From: Fabian Boes (fabian.boes_at_itb.uni-stuttgart.de)
Date: Tue Dec 14 2004 - 08:33:42 CST
Dear Amber users,
i solved the problem by modifying the safe_malloc routine in
/src/ptraj/utility.c:
- safe_malloc(int size)
+ safe_malloc(size_t size)
Right now ptraj is running using 11 gb of ram.
Bye,
Fabian
> Hi,
>
>> ERROR in safe_malloc: Error in alloc of -2144460096 bytes
>
> ...You/ptraj seem to have requested more than 2GB of mem at once.
> Since safe_malloc takes an int (size) as argument and passes (size_t)
> size to the usual malloc, this fails. If you're running x86_64 linux,
> there might by routines that allow allocating more at once, but I don't
> know.
>
> good luck
> Andreas
--
Fabian Bös
Institute of Technical Biochemistry
University of Stuttgart / Germany
Phone: +49-711-6857481
Fax: +49-711-6853196
Email: fabian.boes_at_itb.uni-stuttgart.de
http://www.itb.uni-stuttgart.de
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