Whoops. Exhaustion alert. The point is that R gets started up on the remote hosts, but you need to initialize the library on them. So you don't have to manually start up R on the remote hosts, but you do have to tell the remote sessions what to compute (including loading any libraries, etc).
best, -tony [EMAIL PROTECTED] (A.J. Rossini) writes: > Faheem Mitha <[EMAIL PROTECTED]> writes: > >> On Sun, 14 Dec 2003, A.J. Rossini wrote: >> >>> >>> Did you make sure that you loaded the library that contains the C >>> code on the remote hosts? >> >> No, I only loaded the library on the local node (master). >> >> However, I'm not sure how I should do so. If I simply start up R on the >> remote hosts and load up the library, I presume this would not be any use, >> since the master spawns its own R slaves? > > No, it would be of use. The approach is to run multiple independent > processes -- this is the general "message-passing" paradigm, and holds > true regardless of the particular API being used. So each R process > has to be appropriately initialized. SNOW is taking care of the RNG, > but you've got to do everything else. > >> So, the question would be how to get the R slaves to load up the library >> and I don't see any obvious way of doing this (using snow functions). >> >> I must be missing something. Do I need to work at a lower level? > > Yes, and no. > > Re-read the CPH-statcomp lab, and look at the bootstrap example, which > solves the same problem. > > Look carefully -- it has to initialize the library on each node. > If you are just loading the library manually, just do it on each node; > if you are using libraries, just do that. > > best, > -tony > > -- > [EMAIL PROTECTED] http://www.analytics.washington.edu/ > Biomedical and Health Informatics University of Washington > Biostatistics, SCHARP/HVTN Fred Hutchinson Cancer Research Center > UW (Tu/Th/F): 206-616-7630 FAX=206-543-3461 | Voicemail is unreliable > FHCRC (M/W): 206-667-7025 FAX=206-667-4812 | use Email > > CONFIDENTIALITY NOTICE: This e-mail message and any attachme...{{dropped}} > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > -- [EMAIL PROTECTED] http://www.analytics.washington.edu/ Biomedical and Health Informatics University of Washington Biostatistics, SCHARP/HVTN Fred Hutchinson Cancer Research Center UW (Tu/Th/F): 206-616-7630 FAX=206-543-3461 | Voicemail is unreliable FHCRC (M/W): 206-667-7025 FAX=206-667-4812 | use Email CONFIDENTIALITY NOTICE: This e-mail message and any attachme...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
