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

[Yury Aulchenko]

Ok, should be fixed in r823 just committed.

Let me know if the problem persist

On Dec 7, 2011, at 11:13 AM, Yury Aulchenko wrote:

> I think this is something I introduced in rev. 810-814 (a new without delete). Now (hopefully) fixed, will commit changes in next hour.
> -------------------------------------------------------
> 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.

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