1. Apache Giraph.
http://giraph.apache.org/
2. Barcelona Supercomputing Center (BSC) Marenostrum supercomputer.
http://www.bsc.es/marenostrum-support-services/mn3
3. Extrae instrumentation package.
http://www.bsc.es/computer-sciences/extrae
4. Graph 500 benchmark.
http://www.graph500.org/
5. SPEC MPI2007.
https://www.spec.org/mpi/