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Update NERSC instructions in README.md #3

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Update NERSC instructions in README.md
p-slash May 8, 2024
727b101
need to compile libclass.a
p-slash May 16, 2024
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19 changes: 15 additions & 4 deletions README.md
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Expand Up @@ -32,15 +32,26 @@ In the case of NERSC use, this can point to `/global/cfs/cdirs/desi/science/lya/

##### Specific NERSC installation instructions

env MPICC=/opt/cray/pe/mpich/8.1.28/ofi/gnu/12.3/bin/mpicc conda install pip cython numpy scipy mpi4py
rm /global/homes/<firstletter_user_directory>/<your_user_directory>/.conda/envs/TEST/compiler_compat/ld
conda create -n lym1d python=3.11 cython numpy scipy
conda activate lym1d
MPICC="cc -shared" pip install --force-reinstall --no-cache-dir --no-binary=mpi4py mpi4py
git clone [email protected]:schoeneberg/montepython_public_lyadesi.git
git clone [email protected]:lesgourg/class_public.git
cd class_public; make -j

You need to modify class Makefile. Change compiler options to the following:

CC = cc
#CC = icc
#CC = pgcc
CPP = CC --std=c++11 -fpermissive -Wno-write-strings

Compile class first. Then, pip install python interface

cd class_public; make class; make libclass.a
cd python; python3 -m pip install .
cd ../..
git clone [email protected]:schoeneberg/lym1d.git
cd lym1d; python3 -m pip install . ; cd ..
cd lym1d; python3 -m pip install -e . ; cd ..

##### What should my run configuration look like?

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