README: openPMD-api Install

Document openPMD-api dependencies and install.
Hi-PACE · Jan 12, 2021 · d0b3f56 · d0b3f56
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diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,6 +1,6 @@
 # Preamble ####################################################################
 #
-cmake_minimum_required(VERSION 3.14.0)
+cmake_minimum_required(VERSION 3.15.0)
 project(HiPACE VERSION 0.20.5)
 
 # helper functions

diff --git a/README.md b/README.md
@@ -33,8 +33,11 @@ HiPACE depends on the following popular third party software.
 Please see installation instructions below in the *Developers* section.
 
 - a mature [C++14](https://en.wikipedia.org/wiki/C%2B%2B14) compiler: e.g. GCC 5, Clang 3.6 or newer
-- [CMake 3.14.0+](https://cmake.org/)
+- [CMake 3.15.0+](https://cmake.org/)
 - [AMReX *development*](https://amrex-codes.github.io): we automatically download and compile a copy of AMReX
+- [openPMD-api *dev*](https://github.com/openPMD/openPMD-api): we automatically download and compile a copy of openPMD-api
+  - [HDF5](https://support.hdfgroup.org/HDF5) 1.8.13+ (optional; for `.h5` file support)
+  - [ADIOS2](https://github.com/ornladios/ADIOS2) 2.6.0+ (optional; for `.bp` file support)
 - Nvidia GPU support:
   - [CUDA Toolkit 9.0+](https://developer.nvidia.com/cuda-downloads) (see [matching host-compilers](https://gist.github.com/ax3l/9489132))
 - CPU-only:
@@ -51,9 +54,11 @@ macOS/Linux:
 ```bash
 spack env create hipace-dev
 spack env activate hipace-dev
+spack add adios2  # for .bp file support
 spack add ccache
 spack add cmake
 spack add fftw
+spack add hdf5    # for .h5 file support
 spack add mpi
 spack add pkgconfig  # for fftw
 # optional:
@@ -65,15 +70,17 @@ spack install
 or macOS/Linux:
 ```bash
 brew update
+brew install adios2  # for .bp file support
 brew install ccache
 brew install cmake
 brew install fftw
+brew install hdf5-mpi  # for .h5 file support
 brew install libomp
 brew install pkg-config  # for fftw
 brew install open-mpi
 ```
 
-Now, `cmake --version` should be at version 3.14.0 or newer.
+Now, `cmake --version` should be at version 3.15.0 or newer.
 
 ### Configure your compiler
 
@@ -122,7 +129,7 @@ or by providing arguments to the CMake call: `cmake .. -D<OPTION_A>=<VALUE_A> -D
 | `HiPACE_amrex_repo`          | `https://github.com/AMReX-Codes/amrex.git` | Repository URI to pull and build AMReX from         |
 | `HiPACE_amrex_branch`        | `development`                              | Repository branch for `HiPACE_amrex_repo`           |
 | `HiPACE_amrex_internal`      | **ON**/OFF                                 | Needs a pre-installed AMReX library if set to `OFF` |
-| `HiPACE_OPENPMD`             |  ON/**OFF**                                | openPMD I/O (HDF5, ADIOS)                           |
+| `HiPACE_OPENPMD`             |  **ON**/OFF                                | openPMD I/O (HDF5, ADIOS2)                           |
 
 For example, one can also build against a local AMReX git repo.
 Assuming AMReX' source is located in `$HOME/src/amrex` and changes are committed into a branch such as `my-amrex-branch` then pass to `cmake` the arguments `-DHiPACE_amrex_repo=file://$HOME/src/amrex -DHiPACE_amrex_branch=my-amrex-branch`.

diff --git a/doc/source/building/building.rst b/doc/source/building/building.rst
@@ -10,8 +10,12 @@ HiPACE depends on the following popular third party software.
 Please see installation instructions below in the Developers section.
 
 - a mature `C++14 <https://en.wikipedia.org/wiki/C%2B%2B14>`__ compiler: e.g. GCC 5, Clang 3.6 or newer
-- `CMake 3.14.0+ <https://cmake.org/>`__
+- `CMake 3.15.0+ <https://cmake.org/>`__
 - `AMReX development <https://amrex-codes.github.io>`__: we automatically download and compile a copy of AMReX
+- `openPMD-api dev <https://github.com/openPMD/openPMD-api>`__: we automatically download and compile a copy of openPMD-api
+
+  - `HDF5 <https://support.hdfgroup.org/HDF5>`__ 1.8.13+ (optional; for ``.h5`` file support)
+  - `ADIOS2 <https://github.com/ornladios/ADIOS2>`__ 2.6.0+ (optional; for ``.bp`` file support)
 - Nvidia GPU support: `CUDA Toolkit 9.0+ <https://developer.nvidia.com/cuda-downloads>`__ (see `matching host-compilers <https://gist.github.com/ax3l/9489132>`__)
 - CPU-only: `FFTW3 <http://www.fftw.org/>`__ (only used serially; *not* needed for Nvidia GPUs)
 
@@ -30,9 +34,11 @@ macOS/Linux:
 
    spack env create hipace-dev
    spack env activate hipace-dev
+   spack add adios2  # for .bp file support
    spack add ccache
    spack add cmake
    spack add fftw
+   spack add hdf5    # for .h5 file support
    spack add mpi
    spack add pkgconfig  # for fftw
    # optional:
@@ -46,14 +52,16 @@ or macOS/Linux:
 .. code-block:: bash
 
    brew update
+   brew install adios2  # for .bp file support
    brew install ccache
    brew install cmake
    brew install fftw
+   brew install hdf5-mpi  # for .h5 file support
    brew install libomp
    brew install pkg-config  # for fftw
    brew install open-mpi
 
-Now, ``cmake --version`` should be at version 3.14.0 or newer.
+Now, ``cmake --version`` should be at version 3.15.0 or newer.
 
 Configure your compiler
 -----------------------
@@ -105,18 +113,18 @@ or by providing arguments to the CMake call
 
    cmake .. -D<OPTION_A>=<VALUE_A> -D<OPTION_B>=<VALUE_B>
 
-=============================  ==========================================  ============
+=============================  ========================================  =====================================================
  CMake Option                  Default & Values                            Description
------------------------------  ------------------------------------------  ------------
- ``CMAKE_BUILD_TYPE``            **RelWithDebInfo**/Release/Debug            Type of build, symbols & optimizations
- ``HiPACE_COMPUTE``              **NOACC**/CUDA/SYCL/HIP/OMP                 On-node, accelerated computing backend
- ``HiPACE_MPI``                  **ON**/OFF                                  Multi-node support (message-passing)
- ``HiPACE_PRECISION``            SINGLE/**DOUBLE**                           Floating point precision (single/double)
- ``HiPACE_amrex_repo``           https://github.com/AMReX-Codes/amrex.git  Repository URI to pull and build AMReX from
- ``HiPACE_amrex_branch``         ``development``                               Repository branch for ``HiPACE_amrex_repo``
- ``HiPACE_amrex_internal``       **ON**/OFF                                  Needs a pre-installed AMReX library if set to ``OFF``
- ``HiPACE_OPENPMD``              ON/**OFF**                                  openPMD I/O (HDF5, ADIOS)
-=============================  ==========================================  ============
+-----------------------------  ----------------------------------------  -----------------------------------------------------
+ ``CMAKE_BUILD_TYPE``          **RelWithDebInfo**/Release/Debug          Type of build, symbols & optimizations
+ ``HiPACE_COMPUTE``            **NOACC**/CUDA/SYCL/HIP/OMP               On-node, accelerated computing backend
+ ``HiPACE_MPI``                **ON**/OFF                                Multi-node support (message-passing)
+ ``HiPACE_PRECISION``          SINGLE/**DOUBLE**                         Floating point precision (single/double)
+ ``HiPACE_amrex_repo``         https://github.com/AMReX-Codes/amrex.git  Repository URI to pull and build AMReX from
+ ``HiPACE_amrex_branch``       ``development``                           Repository branch for ``HiPACE_amrex_repo``
+ ``HiPACE_amrex_internal``     **ON**/OFF                                Needs a pre-installed AMReX library if set to ``OFF``
+ ``HiPACE_OPENPMD``            **ON**/OFF                                openPMD I/O (HDF5, ADIOS2)
+=============================  ========================================  =====================================================
 
 For example, one can also build against a local AMReX git repo.
 Assuming AMReX' source is located in ``$HOME/src/amrex`` and changes are committed into a branch such as ``my-amrex-branch`` then pass to ``cmake`` the arguments ``-DHiPACE_amrex_repo=file://$HOME/src/amrex -DHiPACE_amrex_branch=my-amrex-branch``.