A Framework for Deploying Self-predefined MPI Communicators and Attributes

Authors:
Carsten Clauss;Boris Bierbaum;Stefan Lankes;Thomas Bemmerl
Affiliations:
Chair for Operating Systems, RWTH Aachen University, Germany;Chair for Operating Systems, RWTH Aachen University, Germany;Chair for Operating Systems, RWTH Aachen University, Germany;Chair for Operating Systems, RWTH Aachen University, Germany
Venue:
Proceedings of the 15th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
Year:
2008

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Abstract

In this contribution, we present a new library (that can be used in addition to any MPI library) which allows writing optimized applications for heterogeneous environments without the need of relying on intrinsic adaptation features provided by a particular MPI implementation. This is achieved by giving the application programmer the ability to introduce new self-predefined attributes and communicators whose semantics can be adjusted to each respective environment. Furthermore, we have also developed an additional tool set that form a framework around this library in order to simplify such an adjustment for the user.