Full_Name: Alessandra Iacobucci Version: 2.5.1 OS: Mac OS X 10.4.11 Submission from: (NULL) (193.48.71.92)
Hi, I am making some intensive simulations for the testing of a Population Monte Carlo algorithm. This involves also a study of the CPU times in two different case. What I am trying to measure is the "real" CPU time, the one which is independent on the %CPU. I'm using the "system.time" function with gcFirst=TRUE and I realized that all of the output values (user, system and elapsed) depend on the percentage of the CPU, meaning that if your program is the only one running on the machine, system.time() gives you certain values, and if there are many programs running at the same time, for the exact same simulation system.time() gives you much higher values. Thanks for you answer. Best regards, Alessandra Iacobucci ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
