R version 2.7.1 (2008-06-23) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. Natural language support but running in an English locale R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. Loading required package: utils Read 2 items [Previously saved workspace restored] > system("env|sort") AWK=/usr/bin/awk break= CONSOLE=/dev/console cryptopts= DPKG_ARCH=amd64 EDITOR=vi EGREP=/bin/grep -E ENVIRONMENT=BATCH GOTO_NUM_THREADS=1 HOME=/home/nakama init=/sbin/init INIT_VERSION=sysvinit-2.86 LAMJOBID=0:4603 LAMKENYAPID=4595 LAM_MPI_SESSION_PREFIX=/home/nakama LAM_MPI_SESSION_SUFFIX=4589 LAMPARENT=0 LAMRANK=0 LAMRSH=/usr/bin/rsh LAMWORLD=1 LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_CTYPE=en_US LD_LIBRARY_PATH=/usr/local/lib:/usr/lib64/R/lib::/usr/local/lib:/usr/lib64/R/lib: LN_S=ln -s LOGNAME=nakama MAKE=make PAGER=/usr/bin/pager panic= PATH=/usr/local/bin:/usr/bin:/bin:/usr/games PBS_ENVIRONMENT=PBS_BATCH PBS_JOBCOOKIE=D294C4212AEABA7868787625DE44F462 PBS_JOBID=134.r1400a.ismsftwr.ism.ac.jp PBS_JOBNAME=20081023_142151.sh PBS_MOMPORT=15003 PBS_NODEFILE=/var/spool/pbs/aux//134.r1400a.ismsftwr.ism.ac.jp PBS_NODENUM=0 PBS_O_HOME=/ PBS_O_HOST=r1400a.ismsftwr.ism.ac.jp PBS_O_LANG=en_US.UTF-8 PBS_O_PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/rdweb/sbin/../bin PBS_O_QUEUE=q16 PBS_O_TZ=Asia/Tokyo PBS_O_WORKDIR=/home/nakama/Rdweb PBS_QUEUE=q16 PBS_SERVER=r1400a.ismsftwr.ism.ac.jp PBS_TASKNUM=1 PBS_VNODENUM=0 PERLLIB=/usr/share/R/share/perl: PERL=/usr/bin/perl previous=N PREVLEVEL=N PROGRESS_STATE=7 PWD=/home/nakama/Rdweb quiet=n R_ARCH= R_BATCH= R_BROWSER=sensible-browser R_CMD=/usr/lib64/R/bin/Rcmd RD_BASENAME=20081023_142151 RD_BLASNUM=1 RD_CLTYPE=MPI RD_CPUS=8 RD_JOBTYPE=parallel RD_MANAGER_COUNT=0 RD_NODE=1 R_DOC_DIR=/usr/share/R/doc RD_QUEUENAME=q16 RD_RSHCMD=rsh RD_SLAVE=8 RD_TASKS=8 R_DVIPSCMD=/usr/bin/dvips readonly=y resume= R_HOME=/usr/lib64/R R_INCLUDE_DIR=/usr/share/R/include R_LATEXCMD=/usr/bin/latex R_LIBS_SITE=/usr/local/lib/R/site-library:/usr/lib/R/site-library:/usr/lib/R/library R_LIBS_USER=~/R/x86_64-pc-linux-gnu-library/2.7 R_MAKEINDEXCMD=/usr/bin/makeindex ROOTDELAY= ROOT=/dev/md1 rootmnt=/root R_OSTYPE=unix R_PAPERSIZE=letter R_PAPERSIZE_USER=letter R_PDFVIEWER=/usr/bin/evince R_PLATFORM=x86_64-pc-linux-gnu R_PRINTCMD=/usr/bin/lpr R_PROFILE=/usr/local/rdweb/sbin/../R/Rdweb.Rprofile R_RD4DVI=ae R_RD4PDF=times,hyper R_SESSION_TMPDIR=/tmp/Rtmpie8VzH R_SHARE_DIR=/usr/share/R/share runlevel=2 RUNLEVEL=2 R_UNZIPCMD=/usr/bin/unzip R_USE_AQUA_SUBDIRS=no R_ZIPCMD=/usr/bin/zip SED=/bin/sed SELINUX_INIT=YES SHELL=/bin/bash SHLVL=6 TAR=tar TERM=linux TEXINPUTS=.:/usr/share/R/share/texmf: TROLLIUSFD=0:3:4:5 TROLLIUSRTF=364562 TZ=Asia/Tokyo USER=nakama _=/usr/bin/env VERBOSE=no > getClusterOption("spec") [1] 8 > > mycomp<-function(cl,N=1024) + { + A<-array(rnorm(N*N),dim=c(N,N)) + B<-array(rnorm(N*N),dim=c(N,N)) + C<-parMM(cl,A,B) + } > > plot(snow.time({ + cl <- makeCluster(getClusterOption("spec")) + mycomp(cl,1024) + gc() + mycomp(cl,1024) + gc() + mycomp(cl,1024) + gc() + stopCluster(cl) + })) Loading required package: Rmpi Loading required package: utils Loading required package: utils Loading required package: utils Loading required package: utils Read 2 items Read 2 items Read 2 items Read 2 items 8 slaves are spawned successfully. 0 failed. > > > proc.time() user system elapsed 7.676 4.548 15.227