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How to get HiPACE++ running on Glen White's PC

Useful documentation on building/installing HiPACE++: https://hipace.readthedocs.io/en/latest/building/building.html

  1. ssh into Glen's PC (from my laptop, typically I would ssh into centos7 and then ssh into pc95258). 

    1. I set up an ssh hop proxy for ease of access (in .ssh/config):

      Host centos7-proxy
          HostName centos7.slac.stanford.edu
          User mvarvera
          ControlMaster auto
          ControlPath ~/.ssh/master-%r@%h:%p

      Host pc95258-proxy
          HostName pc95258
          User mvarvera
          ControlMaster auto
          ControlPath ~/.ssh/master-%r@%h:%p
          ProxyJump centos7-proxy

  2. Use Spack to create an environment for HiPACE++

    spack env create hipace-dev
spack env activate hipace-dev
spack add ccache % gcc@11.3.0
    spack add cmake % gcc@11.3.0
    spack add fftw % gcc@11.3.0
    spack add hdf5 % gcc@11.3.0
spack add mpi % gcc@11.3.0
    spack add pkgconfig % gcc@11.3.0
    spack add cuda % gcc@11.3.0
spack install % gcc@11.3.0

    It will take a while to install everything...(As per the HiPACE++ documentation: in new terminals, re-activate the environment with spack env activate hipace-dev again)
    Then edit the     spack config and change unify: true to unify: when_possible

    spack config edit


  3. Configure the compiler

    export CC=$(which gcc)
export CXX=$(which g++)
    export CUDACXX=$(which nvcc)
export CUDAHOSTCXX=$(which g++-7)

    For some reason g++ versions above 8 are unsupported with the version of CUDA I used, so you have to manually set CUDAHOSTCXX to your g++-7 path  (version 8 is not on this machine I guess but 7 seems to work for my purposes)

  4. Clone the HiPACE++ GitHub repo: 
    `git clone https://github.com/Hi-PACE/hipace.git $HOME/src/hipace # or choose your preferred path`
  5. configure the program (run this in $HOME/src/hipace directory):
    cmake -S . -B build -DHiPACE_COMPUTE=CUDA
  6. build using n threads (replace n with an integer, 4 for example):
    cmake --build build -j <n>
  7. To run a simulation, you can execute:
    <path>/<to>/hipace/build/bin/hipace <input_file_name> 

GitHub with relevant code: https://github.com/MaxVarverakis/PositronPWFA

Summer internship overview slides: https://docs.google.com/presentation/d/11A7qlPXztxuoElt8Cbj2m_hojxxPuYZjqP9pSMLbxg4/edit?usp=sharing

Slides from meeting with Severin Diederichs, Carl Schroeder, Spencer Gessner, Robert Holtzapple: https://docs.google.com/presentation/d/1VmR9LG82rfL51h9zfaRNk5lMi9Xj31UNgLKcDrwNl9o/edit?usp=sharing

Linear regime analysis notes/comparisons to simulations: Linear_WFA_Notes.pdf

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