Re: [R] multicore, mclapply memory problem

2012-06-29 Thread Fabrice Tourre
Thank you for your reply. I used debian system. I will try parallel. Thanks. uname -a Linux m1000e1-m610-6 2.6.26-2-amd64 #1 SMP Tue Mar 9 22:29:32 UTC 2010 x86_64 GNU/Linux sessionInfo() R version 2.14.2 (2012-02-29) Platform: x86_64-unknown-linux-gnu (64-bit) locale: [1] C attached base pack

Re: [R] multicore, mclapply memory problem

2012-06-29 Thread Prof Brian Ripley
On 29/06/2012 07:59, Fabrice Tourre wrote: Dear list, I am using mclapply(from multicore) to use multiple cores on one server. If I do not use mclapply, just one core, my R problem will use 4G memory. When I use mclapply and set mc.cores =10, each core will use 4G memory. So totally it will use

[R] multicore, mclapply memory problem

2012-06-29 Thread Fabrice Tourre
Dear list, I am using mclapply(from multicore) to use multiple cores on one server. If I do not use mclapply, just one core, my R problem will use 4G memory. When I use mclapply and set mc.cores =10, each core will use 4G memory. So totally it will use 40G memory. Is it possible let each core to s