Hello, is there any function in the package snow to check for a really running cluster? The function checkCluster only checks the variable cl. And the variable is still available after stopping the cluster! ( a simple solution would be deleting the cluster variable cl in the function stopCluster)
> library(snow) > cl <- makeCluster(5) 5 slaves are spawned successfully. 0 failed. > clusterApply(cl, 1:2, get("+"), 3) [[1]] [1] 4 [[2]] [1] 5 > stopCluster(c1) [1] 1 > clusterApply(cl, 1:2, get("+"), 3) Fehler in mpi.probe(source, tag, comm, status) : MPI_Error_string: invalid communicator > sessionInfo() R version 2.6.0 (2007-10-03) x86_64-unknown-linux-gnu locale: LC_CTYPE=de_DE.UTF-8;LC_NUMERIC=C;LC_TIME=de_DE.UTF-8;LC_COLLATE=de_DE.UTF-8;LC_MONETARY=de_DE.UTF-8;LC_MESSAGES=de_DE.UTF-8;LC_PAPER=de_DE.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=de_DE.UTF-8;LC_IDENTIFICATION=C attached base packages: [1] tools stats graphics grDevices utils datasets methods [8] base other attached packages: [1] affyPara_0.99.2 affy_1.16.0 preprocessCore_1.0.0 [4] affyio_1.6.1 Biobase_1.16.1 Rmpi_0.5-5 [7] snow_0.2-9 loaded via a namespace (and not attached): [1] rcompgen_0.1-15 Best Markus -- Dipl.-Tech. Math. Markus Schmidberger Ludwig-Maximilians-Universität München IBE - Institut für medizinische Informationsverarbeitung, Biometrie und Epidemiologie Marchioninistr. 15, D-81377 Muenchen URL: http://ibe.web.med.uni-muenchen.de Mail: Markus.Schmidberger [at] ibe.med.uni-muenchen.de Tel: +49 (089) 7095 - 4599 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.