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ICS
1993
Tsinghua U.
15 years 7 months ago
The EM-4 Under Implicit Parallelism
: The EM-4 is a supercomputer that offers very fast inter processor communication and support for multi threading. In this paper we demonstrate that the EM-4, Together with an auto...
Lubomir Bic, Mayez A. Al-Mouhamed
DSN
2007
IEEE
15 years 7 months ago
Performability Models for Multi-Server Systems with High-Variance Repair Durations
We consider cluster systems with multiple nodes where each server is prone to run tasks at a degraded level of service due to some software or hardware fault. The cluster serves t...
Hans-Peter Schwefel, Imad Antonios
DEXA
2004
Springer
91views Database» more  DEXA 2004»
15 years 7 months ago
Efficient Processing of Distributed Iceberg Semi-joins
The Iceberg SemiJoin (ISJ) of two datasets R and S returns the tuples in R which join with at least k tuples of S. The ISJ operator is essential in many practical applications incl...
Mohammed Kasim Imthiyaz, Dong Xiaoan, Panos Kalnis
EUROPAR
2006
Springer
15 years 7 months ago
Specification of Inefficiency Patterns for MPI-2 One-Sided Communication
Abstract. Automatic performance analysis of parallel programs can be accomplished by scanning event traces of program execution for patterns representing inefficient behavior. The ...
Andrej Kühnal, Marc-André Hermanns, Be...
CCGRID
2001
IEEE
15 years 7 months ago
Early Experiences with the EGrid Testbed
The Testbed and Applications working group of the European Grid Forum (EGrid) is actively building and experimenting with a grid infrastructure connecting several research-based s...
Gabrielle Allen, Thomas Dramlitsch, Tom Goodale, G...