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COEUS Hermes Adios Engine

This work is an adapter which connects ADIOS to Hermes through the use of the ADIOS plugins interface.

Dependencies

  • Hermes: a multi-tiered I/O buffering platform.
  • ADIOS2: an I/O library

ADIOS2

We have found some cases where spack failed to install ADIOS2. Below are instructions on installing ADIOS2 from source. SCSPKG is a system for organizing manually-built software and producing modulefiles for them. Instructions to install are here.

scspkg create adios2
cd $(scspkg pkg src adios2)
git clone https://github.com/ornladios/ADIOS2.git
cd ADIOS2
mkdir build
cd build
cmake ../ \
-DCMAKE_INSTALL_PREFIX=$(scspkg pkg root adios2) \
-DCMAKE_CXX_COMPILER=g++ \
-DCMAKE_C_COMPILER=gcc \
-DADIOS2_USE_SST=OFF \
-DBUILD_DOCS=ON \
-DBUILD_TESTING=ON \
-DADIOS2_BUILD_EXAMPLES=ON \
-DADIOS2_USE_MPI=ON \
-DADIOS2_USE_Derived_Variable=ON
make -j32 install

Install

Load dependencies:

spack load hermes
module load adios2

To compile:

git clone https://github.com/grc-iit/coeus-adapter.git
cd coeus-adapter
mkdir build
cd build
cmake ../
make -j8

Note: To enable the metadata and function trace features, please add the appropriate flags during the CMake configuration.

cmake .. -Dmeta_enabled=ON -Ddebug_mode=ON

Derived Variable

To use the Adios2 derived variable feature, please switch to the derived_merged branch and install the latest version of Adios2 with the derived feature enabled.

Hermes Info log

The Hermes info log is disabled by default. To enable the Hermes log, please set log_verbosity = 1 in hermes_run.