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hpcpp

Standard C++26 High-Performance Computing (HPC) applications that run on CPUs and GPUs.

Build

git clone https://github.com/NERSC/hpcpp.git
cd hpcpp; mkdir build ; cd build
ml nvhpc/23.7 cmake 3.24

# enable GPU support by setting -DSTDPAR=gpu (default)
cmake .. -DSTDPAR=<gpu/multicore> -DOMP=<gpu/multicore; 
make -j 10

Note: Make sure your localrc file (located at /path/to/nvhpc/bin) is properly configured to GCC >= 11.2.0 paths.

NERSC Users

You can also use the pre-configured localrc file included in this repo. To use it, run:

export GCCLOCALRC=/path/to/hpcpp/scripts/pm-localrc/localrc

Note: Please uncomment the following line in apps/fft/CMakeLists.txt if using nvc++ version < 23.7?

  # uncomment only if using nvc++ earlier than 23.7 to find libcublas
  # target_link_directories(${exec_name} PRIVATE /opt/nvidia/hpc_sdk/Linux_x86_64/23.1/math_libs/lib64)

Run Apps

cd hpcpp/build
srun -n 1 -N 1 -G <> -A <acct> -t 30 -C <cpu/gpu> ./apps/<appname>/<appname> [ARGS]

Use --help to see help with arguments.

Contributors

(in alphabetical order of last name)

License

Copyright (C) The Regents of the University of California, 2023 (See LICENSE for details).