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» Sparse collective operations for MPI
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2008
IEEE
14 years 1 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...
PVM
2000
Springer
13 years 11 months ago
Runtime Checking of Datatype Signatures in MPI
Abstract. The MPI standard provides a way to send and receive complex combinations of datatypes (e.g., integers and doubles) with a single communication operation. The MPI standard...
William Gropp
CCGRID
2007
IEEE
14 years 1 months 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
PVM
2007
Springer
14 years 1 months 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...
PVM
2007
Springer
14 years 1 months ago
Full Bandwidth Broadcast, Reduction and Scan with Only Two Trees
We present a new, simple algorithmic idea for exploiting the potential for bidirectional communication present in many modern interconnects for the collective MPI operations broadc...
Peter Sanders, Jochen Speck, Jesper Larsson Tr&aum...