R process slow down after a amount of time
Le 16/04/13 15:52, Chris82 a ?crit :
Hi R users, I have mentioned that R is getting slower if a process with a loop runs for a while. Is that normal? Let's say, I have a code which produce an output file after one loop run. Now after 10, 15 or 20 loop runs the time between the created files is stongly increasing. Is there maybe any data which fill some memory? Chris
I try your idea but I don't find anyt time difference. Could you more
explicit ?
Marc
##### loop time ######
tm <- rep(Sys.time(), 1000)
k <- 1
for (i in 1:1e7) {
if (i%%10000==0) {
tm[k] <- Sys.time()
k <- k+1
}
}
plot(1:999, diff(tm), bty="n", type="l", ylim=c(0, 0.05))
__________________________________________________________ Marc Girondot, Pr Laboratoire Ecologie, Syst?matique et Evolution Equipe de Conservation des Populations et des Communaut?s CNRS, AgroParisTech et Universit? Paris-Sud 11 , UMR 8079 B?timent 362 91405 Orsay Cedex, France Tel: 33 1 (0)1.69.15.72.30 Fax: 33 1 (0)1.69.15.73.53 e-mail: marc.girondot at u-psud.fr Web: http://www.ese.u-psud.fr/epc/conservation/Marc.html Skype: girondot