Computational Cluster Programs

UCLA Physics Saxon Cluster -- CMSSW

Information about CMSSW

CMSSW is installed on the Saxon Cluster. To list the CMSSW versions enter:

scramv1 list CMSSW

To find out about a specific version of CMSSW, for example CMSSW_1_6_8, enter:

scramv1 list | grep CMSSW_1_6_8

One Time Setup for a CMSSW Project

To build the work area for a CMSSW project enter the command:

scramv1 project CMSSW CMSSW_1_6_8

Replace CMSSW_1_6_8 with the version of interest. This will create a CMSSW_1_6_8 subdirectory for you.

Setup your CMSSW RunTime Environmen Each Time you Login

To setup your environment:

cd CMSSW_1_6_8/src
eval `scramv1 ru -sh`

To run cmsRun

Use the cmsRun command to run cmsRun. For example:

cmsRun _pset_config_/pset.cfg

To run Root

To run root enter:

root -l

Root will start running and you can interact with it.

Root has a GUI user interface. If you ssh to the Saxon Cluster with X11 Forwarding enabled root will open its GUI for you when you start it.