[R] memory limit problem
Z P
nusbj at hotmail.com
Mon Apr 5 02:42:18 CEST 2004
Do you mean in Linux, there is no need to set memory limit? If needed, how
to set it? Thanks.
>From: "Roger D. Peng" <rpeng at jhsph.edu>
>To: Yi-Xiong Sean Zhou <yzhou at sdsc.edu>
>CC: r-help at stat.math.ethz.ch
>Subject: Re: [R] memory limit problem
>Date: Sun, 04 Apr 2004 00:13:46 -0500
>
>In general, this is not an R problem, it is a Windows problem. I find that
>these types of memory problems do not appear on Linux, for example.
>
>-roger
>
>Yi-Xiong Sean Zhou wrote:
>>R1.9.0beta solves the problem for now. The memory foot print of R1.9.0 is
>>way smaller than R1.8.1, with only 400M. It will be interesting to see how
>>R1.9.0 handles the memory problem when it needs more than 700M.
>>
>>Thanks for your helps.
>>
>>Yi-Xiong
>>
>>-----Original Message-----
>>From: Roger D. Peng [mailto:rpeng at jhsph.edu] Sent: Saturday, April 03,
>>2004 2:52 PM
>>To: Yi-Xiong Sean Zhou
>>Cc: 'Uwe Ligges'; r-help at stat.math.ethz.ch
>>Subject: Re: [R] memory limit problem
>>
>>You may want to try downloading the development version of R at
>>http://cran.us.r-project.org/bin/windows/base/rdevel.html. This version
>>deals with Windows' deficiencies in memory management a little better.
>>
>>-roger
>>
>>Yi-Xiong Sean Zhou wrote:
>>
>>
>>>After memory.limit(1500), the error message still pop out:
>>>
>>>Error: cannot allocate vector of size 11529 Kb
>>>
>>>While
>>>
>>>
>>>
>>>>memory.size()
>>>
>>>[1] 307446696
>>>
>>>
>>>>memory.limit()
>>>
>>>[1] 1572864000
>>>
>>>And the system is only using 723MB physical memory, while 2G is the
>>>total.
>>
>>
>>>Does anyone have a clue of what is going on?
>>>
>>>
>>>Yi-Xiong
>>>
>>>
>>>-----Original Message-----
>>>From: Uwe Ligges [mailto:ligges at statistik.uni-dortmund.de] Sent:
>>>Saturday, April 03, 2004 12:40 PM
>>>To: Yi-Xiong Sean Zhou
>>>Cc: r-help at stat.math.ethz.ch
>>>Subject: Re: [R] memory limit problem
>>>
>>>
>>>
>>>Yi-Xiong Sean Zhou wrote:
>>>
>>>
>>>>Could anyone advise me how to allocate 1.5Gbyte memory for R on a Dell
>>>>laptop running XP professional with 2G memory?
>>>
>>>
>>>See ?Memory or the the R for Windows FAQ, which tells you:
>>>
>>>"2.7 There seems to be a limit on the memory it uses!
>>>
>>>Indeed there is. It is set by the command-line flag --max-mem-size (see
>>>How do I install R for Windows?) and defaults to the smaller of the
>>>amount of physical
>>>RAM in the machine and 1Gb. [...]"
>>>
>>>
>>>
>>>
>>>>I have tried
>>>>
>>>>"C:\Program Files\R\rw1081\bin\Rgui.exe" --max-vsize=1400M
>>>>
>>>>but I only get only 500MB for R actually.
>>>>
>>>>
>>>>I also tried memory.limit(2^30) in R and got error of:
>>>
>>>
>>>Well, you don't want to allocate 2^30 *Mega*Bytes (see ?memory.limit),
>>>do you?
>>>
>>>
>>>Either use the command line flag --max-mem-size=1500M or within R:
>>>memory.limit(1500)
>>>
>>>
>>>
>>>
>>>>Error in memory.size(size) : cannot decrease memory limit
>>>
>>>
>>>Since your limit was roughly 10^6-times off the right one, you got an
>>>integer overflow internally, I think.
>>>
>>>Uwe Ligges
>>>
>>>
>>>
>>>
>>>
>>>>Yi-Xiong
>>>>
>>>> [[alternative HTML version deleted]]
>>>>
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>>
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>>
>>
>>
>
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