CESMInstall WIKI CESM - hydra

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Running to get local information
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$ make info >& run_make_info.log
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From which we can construct the required configuration file:
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=== intel compilation ===
  
=== intel compilation ===

Revisión de 12:42 13 mayo 2024


Contenido

Downloading CESM2

Following CESM2 Quick Start Guide and CESM2 github instructions.

Cloning the code: 

git clone -b release-cesm2.2.2 git@github.com:ESCOMP/CESM.git my_cesm_sandbox

This will create a directory my_cesm_sandbox/ in your current working directory.

We got the following 

$ cd my_cesm_sandbox/
$ ls
ChangeLog           CODE_OF_CONDUCT.md  Externals.cfg       manage_externals
ChangeLog_template  describe_version    Externals_cime.cfg  README.rst
cime_config         doc                 LICENSE.txt

Verifying that installation was fine: 

$ ./manage_externals/checkout_externals
$ ls 
ChangeLog           CODE_OF_CONDUCT.md  Externals.cfg       README.rst
ChangeLog_template  components          Externals_cime.cfg
cime                describe_version    LICENSE.txt
cime_config         doc                 manage_externals


Defining the compilation / installation

Machine

We need to create the configuration for hydra. For that purpose we are going to use the exampled configuration for "centos7-linux" from file 
cime/config/cesm/machines/config_machines.xml
. This is its content: 
  <machine MACH="hydra">
    <DESC>
      Example port to CIMA's hydra
    </DESC>
    <NODENAME_REGEX>node</NODENAME_REGEX>
    <OS>LINUX Debian</OS>
    <PROXY> https://howto.get.out </PROXY>
    <COMPILERS>gnu</COMPILERS>
    <MPILIBS>mpich</MPILIBS>
    <PROJECT>none</PROJECT>
    <SAVE_TIMING_DIR> </SAVE_TIMING_DIR>
    <CIME_OUTPUT_ROOT>$ENV{HOME}/cesm/scratch</CIME_OUTPUT_ROOT>
    <DIN_LOC_ROOT>/share/cesm/inputdata</DIN_LOC_ROOT>
    <DIN_LOC_ROOT_CLMFORC>/share/cesm/inputdata/lmwg</DIN_LOC_ROOT_CLMFORC>
    <DOUT_S_ROOT>$ENV{HOME}/cesm/archive/$CASE</DOUT_S_ROOT>
    <BASELINE_ROOT>$ENV{HOME}/cesm/cesm_baselines</BASELINE_ROOT>
    <CCSM_CPRNC>$ENV{HOME}/cesm/tools/cime/tools/cprnc/cprnc</CCSM_CPRNC>
    <GMAKE>make</GMAKE>
    <GMAKE_J>8</GMAKE_J>
    <BATCH_SYSTEM>pbs</BATCH_SYSTEM>
    <SUPPORTED_BY>soporte@cima.fcen.uba.ar</SUPPORTED_BY>
    <MAX_TASKS_PER_NODE>128</MAX_TASKS_PER_NODE>
    <MAX_MPITASKS_PER_NODE>128</MAX_MPITASKS_PER_NODE>
    <PROJECT_REQUIRED>FALSE</PROJECT_REQUIRED>
    <mpirun mpilib="impi">
      <executable>mpiexec</executable>
      <arguments>
        <arg name="ntasks"> -np {{ total_tasks }} </arg>
      </arguments>
    </mpirun>
    <environment_variables>
      <env name="OMP_STACKSIZE">256M</env>
    </environment_variables>
    <resource_limits>
      <resource name="RLIMIT_STACK">-1</resource>
    </resource_limits>
  </machine>

Work-flow

configuration of the work-flow is done via the file 
config_batch.xml


http://esmci.github.io/cime/versions/master/html/users_guide/machine.html

Necessary additional components

ESM

It is necessary the High Performance Modeling Infrastructure (ESM) in May 2024, the latest version was the 8.6.0 and is the one being installed.

Getting the code in hydra in folder ESM 

$ wget https://github.com/esmf-org/esmf/archive/refs/tags/v8.6.0.tar.gz

Compilation is done following these documentation.

GNU compilation

Starting by defining the location of the code

Installation location 

$ mkdir -p v860/gnu
$ cd v860/gnu
$ tar xvfz ../v8.6.0.tar.gz
$ cd esmf-8.6.0/
$ ls
build  build_config  cmake  LICENSE  makefile  README.md  scripts  src

Running to get local information 

$ make info >& run_make_info.log

From which we can construct the required configuration file:

intel compilation

Loading hydra's intel compilation environment 

$ source /opt/load-libs.sh 1

Installation location 

$ mkdir v860/intel
$ cd v860/intel
$ tar xvfz ../v8.6.0.tar.gz
$ cd esmf-8.6.0/
$ ls
build  build_config  cmake  LICENSE  makefile  README.md  scripts  src

Porting and validating CIME on a new platform

http://esmci.github.io/cime/versions/master/html/users_guide/porting-cime.html


Downloading the Input data

All input data will be downloaded in 

/share/cesm

Input datasets are needed to run the model. CESM input data are available through a separate Subversion input data repository.

  • Change check_input_data header so it runs with Python 2.7.x version: 
sed -i -e 's!/usr/bin/env python!/share/anaconda2/bin/python!' ./cime/scripts/Tools/check_input_data
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