You probably have hyper threading so even though you only have two physical cores, there are 4 logical cores, hence 25%. Google can lead you to how to adjust this, if possible.
Cheers, Josh On Fri, Aug 17, 2012 at 2:41 PM, Shantanu MULLICK <b00295...@essec.edu> wrote: > Hello Everyone > > I have a dual-core Intel i3-370M processor and Windows 64 operating system. > I have a 3GB RAM and my processor can support a maximum of 8GB RAM. > > I have virtual memory enabled on my computer. > > I am running a program in the 64 bit R which implements a MCMC on a large > dataset and involves around 80000 iterations. > > The processor estimates that it will take around 1000 minutes to complete > running the program. > > However when I check the CPU usage it shows only 25% usage. > > I have read on threads that R runs on only 1 core - and thus was expecting > a CPU usage of around 50%. > > It would be great if anyone can point out a way by which I can make the > processor use 50% of the CPU which I believe would allow the program to be > run quicker. > > Best > Shantanu > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. -- Joshua Wiley Ph.D. Student, Health Psychology Programmer Analyst II, Statistical Consulting Group University of California, Los Angeles https://joshuawiley.com/ ______________________________________________ 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.