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Incorrect MPI launcher and compiler wrappers with Conda environments python/2.7-conda5.2 and python/3.6-conda5.2

Resolution: 
Resolved

Users may encounter under-performing MPI jobs or failures of compiling MPI applications if you are using Conda from system. We found pre-installed mpich2 package in some Conda environments overrides default MPI path. The affected Conda packages are python/2.7-conda5.2 and python/3.6-conda5.2. If users experience these issues, please re-load MPI module, e.g. module load mvapich2/2.3.2 after setting up your Conda environment.