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Prescriptions from Chris with my comments.

Login

ssh -Y <username>@cori.nersc.gov

ssh -Ycori05 # other nodes may have different versions of compilers...

Cloning lcls2 repository

Version control with git -describes git initialization.

...

git clone git@github.com:slac-lcls/lcls2.git

Create and activate conda environment

module load python

See available conda environments and create one:

...

Code Block
titleOur version of env_create.yaml has slightly modified content of the file env_create_py2.yaml
collapsetrue
 channels:
  - defaults
  - conda-forge
dependencies:
  - python=3.6
  - cmake
  - h5py
  - ipython
  - numpy
  - cython
  - matplotlib
  - mongodb
  - pymongo
  - mpi4py
  - nose
  - pyzmq
  - versioneer
  - requests

Build

cd lcls2

export CRAYPE_LINK_TYPE=dynamic
export INSTDIR=`pwd`/install

For python2.7

./build_python2_psana.sh
export PYTHONPATH=$INSTDIR/lib/python2.7/site-packages

For python3.6

./build_python3_light.sh
export PYTHONPATH=$INSTDIR/lib/python3.6/site-packages

Useful conda commands

  • conda list
  • conda env list
  • conda env remove --name <ps-0.1.1-...-environment-name>

Run apps etc

python psana/psana/pscalib/calib/MDBWebUtils.py 7
ipython
> import psana

References

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