Re: [Rd] Cluster: Various GCC, how important is consistency?

2016-10-17 Thread Gabriel Becker
This absolutely causes it's own problems (and they may be bad enough that you shouldnt do it) but you can also install an older version of rcpparmadillo. My switchr package makes this more convenient from within r but grabbing tarballs from the crank Web archive also works (in fact that's what swi

Re: [Rd] Cluster: Various GCC, how important is consistency?

2016-10-17 Thread Simon Urbanek
There are many issues with different gcc versions, but they can at least be minimized by using static linking, i.e. you should at the very least use -static-libstdc++ -static-libgcc to make sure you don't mix runtime versions. We run into the same problem since C++11 compilers are rare on produc

[Rd] Cluster: Various GCC, how important is consistency?

2016-10-17 Thread Paul Johnson
On a cluster that is based on RedHat 6.2, we are updating to R-3.3.1. I have, from time to time, run into problems with various R packages and some older versions of GCC. I wish we had newer Linux in the cluster, but with 1000s of nodes running 1000s of jobs, well, they don't want a restart. Admin