[Rd] R.home() on windows with localised program files path name

2015-09-02 Thread Hadley Wickham
Unfortunately I can't reproduce this easily, but I have a devtools bug report (https://github.com/hadley/devtools/issues/885#issuecomment-137216148) which appears to be because: R.home("bin") #> [1] C:/Program Files/R/R-32~1.0/bin/x64 even though on this computer "Program Files" is actually "Prog

Re: [Rd] Build R with MKL and ICC

2015-09-02 Thread arnaud gaboury
On Wed, Sep 2, 2015 at 7:35 PM, arnaud gaboury wrote: > After a few days of reading and headache, I finally gave a try at > building R from source with Intel MKL and ICC. Documentation and posts > on this topic are rather incomplete, sometime fantasist et do not give > much explanations about conf

Re: [Rd] mclapply memory leak?

2015-09-02 Thread Gabriel Becker
Well it's only a leak if you don't get the memory back after it returns, right? Anyway, one (untested by me) possibility is the copying of memory pages when the garbage collector touches objects, as pointed out by Radford Neal here: http://r.789695.n4.nabble.com/Re-R-devel-Digest-Vol-149-Issue-22-

[Rd] Build R with MKL and ICC

2015-09-02 Thread arnaud gaboury
After a few days of reading and headache, I finally gave a try at building R from source with Intel MKL and ICC. Documentation and posts on this topic are rather incomplete, sometime fantasist et do not give much explanations about configure options. As I am not sure if mine is correct, I would app

[Rd] mclapply memory leak?

2015-09-02 Thread Toby Hocking
Dear R-devel, I am running mclapply with many iterations over a function that modifies nothing and makes no copies of anything. It is taking up a lot of memory, so it seems to me like this is a bug. Should I post this to bugs.r-project.org? A minimal reproducible example can be obtained by first