[R] high RAM on Linux or Solaris platform

David Bickel dbickel at uottawa.ca
Tue Oct 30 18:30:10 CET 2007

To help me make choices regarding a platform for running high-memory R
processes in parallel, I would appreciate any responses to these

1. Does the amount of RAM available to an R session depend on the
processor (Intel vs. Sun) or on the OS (various Linux distributions vs.

2. Does R have any built-in limitations of RAM available to a session?
For example, could it make use of 16 GB in one session given the right
processor/OS platform?

3. Is there anything else I should consider before choosing a processor
and OS?

If there is a better list for these kinds of questions, please advise.


David R. Bickel
Ottawa Institute of Systems Biology
BMI Dept., University of Ottawa
451 Smyth Road 
Ottawa, Ontario K1H 8M5

Tel: (613) 562-5800 ext. 8670
Fax: (613) 562-5185
Roger Guindon Hall, Room 1317

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