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IJHPCN
2006
116views more  IJHPCN 2006»
13 years 6 months ago
Implications of application usage characteristics for collective communication offload
Abstract-- The performance of collective communication operations is known to have a significant impact on the scalability of some applications. Indeed, the global, synchronous nat...
Ron Brightwell, Sue Goudy, Arun Rodrigues, Keith D...
CLUSTER
2008
IEEE
14 years 15 days 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...
PVM
2007
Springer
14 years 4 days ago
Using CMT in SCTP-Based MPI to Exploit Multiple Interfaces in Cluster Nodes
Many existing clusters use inexpensive Gigabit Ethernet and often have multiple interfaces cards to improve bandwidth and enhance fault tolerance. We investigate the use of Concurr...
Brad Penoff, Mike Tsai, Janardhan R. Iyengar, Alan...
IPPS
2009
IEEE
14 years 20 days ago
Designing multi-leader-based Allgather algorithms for multi-core clusters
The increasing demand for computational cycles is being met by the use of multi-core processors. Having large number of cores per node necessitates multi-core aware designs to ext...
Krishna Chaitanya Kandalla, Hari Subramoni, Gopala...
CCGRID
2007
IEEE
14 years 11 days ago
High-Performance MPI Broadcast Algorithm for Grid Environments Utilizing Multi-lane NICs
The performance of MPI collective operations, such as broadcast and reduction, is heavily affected by network topologies, especially in grid environments. Many techniques to cons...
Tatsuhiro Chiba, Toshio Endo, Satoshi Matsuoka