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» Optimization of Collective Communication in Intra-cell MPI
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SC
2005
ACM
14 years 1 months ago
Performance Modeling and Tuning Strategies of Mixed Mode Collective Communications
On SMP clusters, mixed mode collective MPI communications, which use shared memory communications within SMP nodes and point-to-point communications between SMP nodes, are more eļ...
Meng-Shiou Wu, Ricky A. Kendall, Kyle Wright, Zhao...
CLUSTER
2006
IEEE
14 years 1 months ago
Designing High Performance and Scalable MPI Intra-node Communication Support for Clusters
As new processor and memory architectures advance, clusters start to be built from larger SMP systems, which makes MPI intra-node communication a critical issue in high performanc...
Lei Chai, Albert Hartono, Dhabaleswar K. Panda
CF
2004
ACM
14 years 1 months ago
Improving the execution time of global communication operations
Many parallel applications from scientiļ¬c computing use MPI global communication operations to collect or distribute data. Since the execution times of these communication opera...
Matthias Kühnemann, Thomas Rauber, Gudula R&u...
SC
2003
ACM
14 years 28 days ago
BCS-MPI: A New Approach in the System Software Design for Large-Scale Parallel Computers
Buffered CoScheduled MPI (BCS-MPI) introduces a new approach to design the communication layer for largescale parallel machines. The emphasis of BCS-MPI is on the global coordinat...
Juan Fernández, Eitan Frachtenberg, Fabrizi...
CLUSTER
2008
IEEE
14 years 2 months ago
Exploiting data compression in collective I/O techniques
This paper presents Two-Phase Compressed I/O (TPC I/O,) an optimization of the Two-Phase collective I/O technique from ROMIO, the most popular MPI-IO implementation. In order to r...
Rosa Filgueira, David E. Singh, Juan Carlos Pichel...