Re: [R] system.time question

2012-10-21 Thread William Dunlap
s/bill/junk.txt", O_WRONLY|O_CREAT|O_APPEND, 0666) = 3 <0.003711> ... The times are shown in <>. Bill Dunlap Spotfire, TIBCO Software wdunlap tibco.com > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Beh

Re: [R] system.time question

2012-10-20 Thread Prof Brian Ripley
On 20/10/2012 17:16, Mark Leeds wrote: Hi : I looked at the help for system.time but I still have the following question. Can someone explain the output following output of system.time : user system elapsed 12399.681 5632.352 56935.647 Yes, the help page can, via ?proc.time.

Re: [R] system.time question

2012-10-20 Thread Jeff Newmiller
You asked several questions. Elapsed: yes User + System = CPU: yes Finally: You have to look at the load and/or cpu core count. Unless you setup your code to take advantage of multiple cores, R runs on a single core. Also: Do you really need to ask that question? -

[R] system.time question

2012-10-20 Thread Mark Leeds
Hi : I looked at the help for system.time but I still have the following question. Can someone explain the output following output of system.time : user system elapsed 12399.681 5632.352 56935.647 Here's my take based on the fact that I was doing ps -aux | grep R off and on and