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IWCC
1999
IEEE
14 years 24 days ago
Optimizing User-Level Communication Patterns on the Fujitsu AP3000
In this paper, we present techniques and algorithms to improve the performance of various communication patterns on message-passing platforms where, for reasons of safety, user-le...
Jeremy E. Dawson, Peter E. Strazdins
PVM
2009
Springer
14 years 3 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...
HM
2005
Springer
97views Optimization» more  HM 2005»
14 years 2 months ago
Comparing Parallelization of an ACO: Message Passing vs. Shared Memory
We present a shared memory approach to the parallelization of the Ant Colony Optimization (ACO) metaheuristic and a performance comparison with an existing message passing implemen...
Pierre Delisle, Marc Gravel, Michaël Krajecki...
CC
2003
Springer
14 years 1 months ago
Improving Data Locality by Chunking
Cache memories were invented to decouple fast processors from slow memories. However, this decoupling is only partial, and many researchers have attempted to improve cache use by p...
Cédric Bastoul, Paul Feautrier
WOSP
2004
ACM
14 years 1 months ago
Application performance on the Direct Access File System
The Direct Access File System (DAFS) is a distributed file system built on top of direct-access transports (DAT). Direct-access transports are characterized by using remote direct...
Alexandra Fedorova, Margo I. Seltzer, Kostas Magou...