Last modified: September 01 2021.
Contact: hpchelp [at] iitd.ac.in

CESM

Load Balancing Reference Links

  • Optimizing processor layout
  • Load balancing a case
  • Setting the case PE layout
  • Changing PE layout (Example)

    • Steps for preparing and submitting your job


    For CESM 1.2.2:


    Step 1: Load the module

    module load apps/CESM/cesm1_2_2/intel

     

    Step 2 : Create the CASE

    e.g.,
    export CASE=Path to create CASE
    create_newcase -case $CASE -res f09_f09 -compset F_2000_CAM5 -mach IITD1 -compiler intel

     

    Note : Set Machine as IITD1 and Compiler intel

     

    Step 3 : Setup and Build the case

  • ./cesm_setup
  • ./$CASE.build

    •  

    Step 4 : Submit the CASE

  • ./$CASE.submit

    •  

    Important Notes :
    1. Make sure a soft link for users scratch is present in your account.
    2. A cesm1_2_2_OUT directory will be created into your scratch, which contains two subdirectories CASES and archives. The directory CASES will contain the CASE wise run and bld directories. The archives directory will contains CASE wise archive data.
    3. By default input directory is set to : /home/cas/faculty/dilipganguly/cesm/inputdata

     

    For CESM 2 :

    Use interactive job to build CESM case.

     

    Step. 1 : Load the module

    For CESM 2.1.1 

    module load apps/CESM/cesm2.1.1/intel

    For CESM 2.2.0 

    module load apps/CESM/cesm2.2.0/intel2020

     

    Step 2 : Environment Setup

    Set the input data path e.g export CESMDATAROOT=/home/cas/faculty/dilipganguly/cesm/inputdata

     

    Step 3 : Create the CASE

    e.g.,
    export CASE=Path to create CASE
    create_newcase --case $CASE --compset FHIST --res f09_f09_mg17 --machine PADUM
    cd $CASE
    ./xmlchange --file env_run.xml --id DIN_LOC_ROOT --val $CESMDATAROOT

     

    Step 4 : Setup and Build the case

  • ./case.setup
  • ./case.build --skip-provenance-check

    •  

    Step 5 : Submit the CASE

  • ./case.submit
    • Important Notes :
    1. Make sure a soft link for users scratch is present in your account
    2. cesm2.1.1_out and cesm2.2.0_out directory will be created into your scratch specific to the version which you are using, which contains two subdirectories CASES and archives. The directory CASES will contain the CASE wise run and bld directories. The archives directory will contains CASE wise archive data.