Re: [R] How to increase memory for R on Soliars 10 with 16GB and 64bit R

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Thu 14 Jul 2005 - 16:26:21 EST

Dongseok Choi wrote:

> Thank you very much for your help!!
> Now, it runs without any problem.
>
> Is it going to be fixed in the next release?

Of course, Brian

> Thanks again,
> Dongseok
>
>
>
>
> Dongseok Choi, Ph.D.
> Assistant Professor
> Division of Biostatistics
> Department of Public Health & Preventive Medicine
> Oregon Health & Science University
> 3181 SW Sam Jackson Park Road, CB-669
> Portland, OR 97239-3098
> TEL) 503-494-5336
> FAX) 503-494-4981
> choid@ohsu.edu
>
>
>>>>"Prof Brian Ripley" <ripley@stats.ox.ac.uk> 07/13/05 12:03 AM >>>
>
> On Tue, 12 Jul 2005, Dongseok Choi wrote:
>
>
>> My machine is SUN Java Workstation 2100 with 2 AMD Opteron CPUs and 16GB RAM.
>> R is compiled as 64bit by using SUN compilers.
>> I trying to fit quantile smoothing on my data and I got an message as below.
>>
>>
>>>fit1<-rqss(z1~qss(cbind(x,y),lambda=la1),tau=t1)
>>
>>Error in as.matrix.csr(diag(n)) :
>
> cannot allocate memory block of size 2496135168
>
>> The lengths of vector x and y are both 17664.
>> I tried and found that the same command ran with x[1:16008] and y[1:16008].
>> So, it looks to me a memory related problem, but I'm not sure how I can allocate memory block.
>> I read the command line option but not sure what do to with it.
>> Could you help me on this?
>
>
> It is trying to allocate a single memory block of size over 2^31-1 bytes.
> R internally uses ints for sizes of vectors and that is a limit (see
> help("Memory-limits") ). However, it is intended that on 64-bit systems
> that there is a limit here of 8*(2^31-1) but there was a typo. Please
> change line 1534 of src/main/memory.c to
>
> #if SIZEOF_LONG > 4
>
> and re-compile.
>



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