VieM - Vienna Mapping and Sparse Quadratic Assignment -- is a family of mapping programs. It includes serveral heuristics to map a task graphs onto a specified processor graph. We provide them here as easy to use open source software.
Main project site: http://viem.taa.univie.ac.at
Before you can start you need to install the following software packages:
- Scons (http://www.scons.org/)
- Argtable (http://argtable.sourceforge.net/)
Once you installed the packages, just type ./compile.sh. Once you did that you can try to run the following commands in the example folder:
//generate a model of communication and computation from an input graph, e.g. for sparse matrix vector multiplication
//creates a file calles model.graph
../deploy/generate_model 3elt.graph --k 128
//map the model onto a specified architecture
//creates a file called permutation (e.g. the mapping)
../deploy/viem model.graph --hierarchy_parameter_string=16:4:2 --distance_parameter_string=1:10:100
//evaluate again (for completeness)
../deploy/evaluator model.graph --input_mapping=permutation --hierarchy_parameter_string=16:4:2 --distance_parameter_string=1:10:100
For a description of the graph format please have look into the manual.
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