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

[L.C. Karssen]

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.

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L.C. Karssen
Erasmus MC
Department of Epidemiology
Room Ee2224

Postbus 2040
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The Netherlands

phone: +31-10-7044217
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email: l.karssen at erasmusmc.nl
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