When I’m searching OpenMC with conda, there are lots of OpenMC with different information. Regardless of the version number, what’s the meaning of the other message, for example, dagmc_mpi_mpich_py37h73a874b_100?
And will it affect my choice of the python version within the openmc-env and cross-section lib?
The extra information there tells you about the build configuration, namely:
dagmc / nodagmc = whether OpenMC was built with DAGMC support
mpi_nompi / mpi_mpich / mpi_openmpi = whether OpenMC was built with no MPI support, MPI using MPICH, or MPI using OpenMPI
py37h73... = based on Python 3.7 (the rest is just a unique build strings)
100 = the build number from conda-forge (i.e., if we update something in the conda build recipe but don’t update the actual version of OpenMC, this number gets incremented)