SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis



SCHEDULE: NOV 12-18, 2011

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eeClust - Energy-Efficient Cluster Computing

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Michael Knobloch, Timo Minartz, Daniel Molka, Stephan Krempel, Thomas Ludwig, Bernd Mohr

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
The eeClust project aims at reducing the energy consumption of applications on a HPC cluster by an integrated approach of analysis, efficient management of hardware power-states and monitoring of the clusters power consumption. The application is traced and the trace file is analyzed - manually with Vampir and automatically with Scalasca - to determine phases in the application with non-optimal hardware utilization. The source-code is then instrumented with API calls to control a daemon which switches hardware power-states at runtime. This daemon is aware of shared resources (e.g. the network interface) and only switches a resource to a lower power-state when all processes sharing that resource do not need it. The ParaStation Grid Monitor is used to monitor and visualize the power consumption and hardware usage of the cluster. This poster gives an overview of the project and presents the analysis, hardware management and monitoring aspects in more detail.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Michael Knobloch - Forschungszentrum Juelich

Timo Minartz - University Hamburg

Daniel Molka - Technical University Dresden

Stephan Krempel - ParTec Cluster Competence Center

Thomas Ludwig - University Hamburg

Bernd Mohr - Forschungzentrum Juelich

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