Commit 4e415836 authored by Matthieu Dorier's avatar Matthieu Dorier
Browse files

started adding readme for Cori

parent 498f16bb
Programming environment
Cori has many compilers and MPI implementations. We found multiple version of gcc that
work with Mochi, and the provided `spack.yaml` file uses the latest version
(`gcc@9.3.0`) with the `cray-mpich` package. You can work with these packages
by typping:
$ module swap PrgEnv-intel PrgEnv-gnu
$ module swap gcc8/.3.0 gcc/9.3.0
You may also want to `export CRAYPE_LINK_TYPE=dynamic` (e.g. in your
`.bashrc` file) to prevent the compiler from attempting to use static
linking in conjunction with the dynamic libraries produced by Spack.
Cori uses a Cray Aries fabric. The corresponding transport in
Mercury is `ofi+gni`, using the `+gni` variant in `libfabric`.
Job management
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