/tmp is usually a local [to the machine filesyste] - or tmpfs [i.e using RAM]. The following command usually shows the filesystem type.
[tmpfs over RAM] $ df -T /tmp Filesystem Type 1K-blocks Used Available Use% Mounted on tmpfs tmpfs 3935432 8784 3926648 1% /tmp [local disk] $ df -T /tmp Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/sda1 ext3 9614116 6642292 2483452 73% / But I suspect Barry is refering to TMPDIR [when he said /tmp] On tital TMPDIR is /tmp. [per configure.log] On hopper - the default is not /tmp balay@hopper01:~/petsc.clone> echo $TMPDIR /scratch/scratchdirs/balay balay@hopper01:~/petsc.clone> df -T /scratch/scratchdirs/balay Filesystem Type 1K-blocks Used Available Use% Mounted on 10.10.10.1@o2ib:10.10.10.2@o2ib:/scratch lustre 1208581506288 77197515368 1070259709628 7% /scratch balay@hopper01:~/petsc.clone> Satish On Thu, 26 Feb 2015, Nathan Collier wrote: > Barry, > > > Do you know where /tmp is on the system? Presumably it is fast? > > I am not sure about that. There is a /tmp but I am not sure what it is or > if/how I can use it. > > Also, I was the only one running anything on the login node when I did the > configure/make. My configure does include the sowing download. > > Nate > > > On Thu, Feb 26, 2015 at 9:53 PM, Satish Balay <[email protected]> wrote: > > > On Thu, 26 Feb 2015, Nathan Collier wrote: > > > > > Ok, so I am not sure I got all that, but here goes some more information > > > (attached log). > > > > > > No packages / master > > > > > > [nate@titan] time python no_packages.py > > > ... > > > real 14m32.169s > > > user 1m51.527s > > > sys 3m40.734s > > > > > > [nate@titan] time make all > > > ... > > > real 15m56.004s > > > user 8m8.971s > > > sys 52m42.734s > > > > BTW: This number for 'make all' looks bizzare [or I don't know how to > > interpret it]. > > > > - 'sys' time is 52m? > > - 'user' time is 8m - but 'real' is 15m - so its not a parallel build? > > But configure sets 'MAKE_NP = 24' (with gnumake build). > > > > Perhaps its all intel compiler license server overhead? :) > > > > Satish > > >
