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This repository is forked from https://github.com/Iowa-Flood-Center/asynch repository and is focused on making improvement on the develop branch.

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ASYNCH

A numerical library for solving differential equations with a tree structure. Emphasis is given to hillslope-link river basin models.

Requirements

Redhat & Centos

The same as Fedora but make sure you have the epel-release and the PowerTools repositories enabled.

 sudo dnf install epel-release
 sudo dnf config-manager --set-enabled PowerTools
 sudo dnf update

If you get an error when enabling PowerTools because of config-manager, run this:

 sudo dnf install 'dnf-command(config-manager)'

Fedora

Packages

  • autoconf
  • automake
  • openmpi-devel
  • hdf5-devel
  • libpq-devel
  • zlib
  • gcc-gfortran
  • gcc

Optional

  • openblas-devel

If you want openblas support with openmpi, you can install the optional package, but it is not necessary for the app to work.

Run this command after installing the dependencies, this will create symbolic links of all the binaries of openmpi inside the /usr/bin/ directory so the system can detect them:

sudo ln -s /usr/lib64/openmpi/bin/* /usr/bin/

Ubuntu & Debian

Packages

  • autoconf
  • automake
  • gcc
  • make
  • openmpi-bin
  • libopenmpi-dev
  • zlib1g-dev
  • hdf5-tools
  • libhdf5-dev
  • libhdf5-openmpi-dev
  • libhdf5-cpp-103
  • libpq-dev
  • pkg-config

Optional

  • libopenblas64-0-openmp
  • libopenblas64-0-openmp-dev
  • libopenblas64-openmp-dev
  • libopenblas-dev

If you want openblas support with openmpi, you can install the optional package, but it is not necessary for the app to work.

Compiling

Please run the following comands to compile asynch:

This will generate all the configure files and the makefiles.

autoreconf --install
cd build
../configure CFLAGS="-O3 -DNDEBUG -Wno-format-security"
make
make install

The default installation location in /usr/local/, you can find the binaries and libs in /usr/local/bin/ and /usr/local/lib.

If you want a custom location, you can use the --prefix option when running configure:

../configure CFLAGS="-O3 -DNDEBUG -Wno-format-security" --prefix=/custom/location/

Docker

Note/Disclaimer

The decision to use fedora:latest as the default container for docker was mainly because asynch needs GLIBC > 2.29, Fedora 34 uses GLIBC 2.33, while Redhat 8 and Centos 8 uses GLIBC 2.28, I was having a little trouble setting up GLIBC inside the container for centos:latest. The app did compile, but is wasn't reading the GLIBC compilation I did for version 2.29. I think the app should be deployed using Centos, so if anyone wants to work around that issue, know that it is possible to solve and close to be solved.

Also, openblas was not working for docker, so the docker compilation does not have openblas support.

Windows

Windows users need to have wsl2 installed and use a linux distro to run docker inside it. Enable the Windows instructions inside the Dockerfile to be able to use the program correctly.

Running Docker

Make sure you have docker installed in your machine, then follow this instructions:

  1. Clone this repository

  2. Build the docker image, this will take a long time.

    sudo docker build -t asynch-image .
  3. Log in into the image:

    sudo docker run -it asynch-image
  4. By default, the dockerfile leaves you inside the examples/ directory, so just see the Running Example instructions.

  5. If you want to share data between your machine and the docker, run the followiing command:

    sudo docker run -it -v /your/machine/examples:/docker-image/location/examples/ asynch-image

    Change /your/machine/examples/ for the location where you want your data to be located inside your machine, and change /docker-image/location/examples/ to the location where you want your files to be inside the docker image.

    Note: All data is saved inside your machine.

  6. Go to the location where your example files are inside the docker image, and execute them. See Running Example.

Running Example

If everything when correctly, go to the examples/ directory and execute the following command:

mpirun -n 4 asynch clearcreek.gbl

If you are running inside a docker container, add the --allow-run-as-root flag:

mpirun -n 4 --allow-run-as-root asynch clearcreek.gbl

The output should be the following:

Computations complete. Total time for calculations: 1.320425

Results written to file clearcreek.h5.
Peakflows written to file clearcreek.pea.

Inside the clearcreek.pea file, you should see the beginning exactly like this:

6359
254

Documentation

The documentation is available here. Thank you to the people running Read the Docs for such an excellent service.

The source for the documentation is in the docs folder. Here are the instructions to built and read it locally. The documentation is built with Doxygen and Sphinx. The sphinx template is from ReadtheDocs. Breathe provides a bridge between the Sphinx and Doxygen documentation systems.

pip install --user sphinx sphinx-autobuild sphinx_rtd_theme breathe recommonmark
apt-get doxygen

cd docs  
doxygen api.dox
doxygen devel.dox
make html

The html documentation is generated in docs/.build/html.

Testing

Asynch doesn't have a good test covergage at the moment but the unit test framework is in place.

About

This repository is forked from https://github.com/Iowa-Flood-Center/asynch repository and is focused on making improvement on the develop branch.

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