[GenABEL-dev] export.plink() uses too much memory in GenABEL v1.7-0 (beta)

Yury Aulchenko yurii.aulchenko at gmail.com
Wed Dec 7 11:13:38 CET 2011


I think this is something I introduced in rev. 810-814 (a new without delete). Now (hopefully) fixed, will commit changes in next hour.
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Yurii Aulchenko, PhD, Dr. Habil.
Independent researcher and consultant
yurii [dot] aulchenko [at] gmail [dot] com

On Dec 7, 2011, at 11:03 AM, L.C. Karssen wrote:

> Dear list,
> 
> We just tried to convert a GenABEL object to plink format using export.plink() from GenABEL v 1.7-0 (still under development, package built from SVN yesterday), and it nearly brought the machine to a halt because it used all available memory (RAM + swap).
> 
> Our GenABEL object contained almost 3700 individuals and about 700k SNPS.
> 
> Have others experienced this as well? I haven't looked at Yurii's latest implementation of the function in C++ yet. Hopefully I will be able to find some time later today. Does anyone here know how we could limit memory usage in C++?
> 
> 
> Thanks,
> 
> Lennart.
> 
> -- 
> -----------------------------------------------
> L.C. Karssen
> Erasmus MC
> Department of Epidemiology
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> 
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> 
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