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» 07471 Abstracts Collection - Equilibrium Computation
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PVM
2009
Springer
14 years 1 months ago
Hierarchical Collectives in MPICH2
Abstract. Most parallel systems on which MPI is used are now hierarchical: some processors are much closer to others in terms of interconnect performance. One of the most common su...
Hao Zhu, David Goodell, William Gropp, Rajeev Thak...
WG
2005
Springer
14 years 5 days ago
Collective Tree 1-Spanners for Interval Graphs
Abstract. In this paper we study the existence of a small set T of spanning trees that collectively “1-span” an interval graph G. In particular, for any pair of vertices u, v w...
Derek G. Corneil, Feodor F. Dragan, Ekkehard K&oum...
ICPP
2009
IEEE
14 years 1 months ago
Group Operation Assembly Language - A Flexible Way to Express Collective Communication
—The implementation and optimization of collective communication operations is an important field of active research. Such operations directly influence application performance...
Torsten Hoefler, Christian Siebert, Andrew Lumsdai...
IPPS
2009
IEEE
14 years 1 months ago
Sparse collective operations for MPI
Abstract—We discuss issues in designing sparse (nearest neighbor) collective operations for communication and reduction operations in small neighborhoods for the Message Passing ...
Torsten Hoefler, Jesper Larsson Träff
EUROPAR
2005
Springer
14 years 7 days ago
PerfMiner: Cluster-Wide Collection, Storage and Presentation of Application Level Hardware Performance Data
Abstract. We present PerfMiner, a system for the transparent collection, storage and presentation of thread-level hardware performance data across an entire cluster. Every sub-proc...
Philip Mucci, Daniel Ahlin, Johan Danielsson, Per ...