Sciweavers

IPPS
2009
IEEE
14 years 6 months ago
A parallel hybrid genetic algorithm-simulated annealing for solving Q3AP on computational grid
In this paper we propose a parallel hybrid genetic method for solving Quadratic 3-dimensional Assignment Problem (Q3AP). This problem is proved to be computationally NP-hard. The ...
Lakhdar Loukil, Malika Mehdi, Nouredine Melab, El-...
IPPS
2009
IEEE
14 years 6 months ago
Unit disk graph and physical interference model: Putting pieces together
Modeling communications in wireless networks is a challenging task since it asks for a simple mathematical object on which efficient algorithms can be designed, but that must also...
Emmanuelle Lebhar, Zvi Lotker
IPPS
2009
IEEE
14 years 6 months ago
Exploring the effect of block shapes on the performance of sparse kernels
In this paper we explore the impact of the block shape on blocked and vectorized versions of the Sparse Matrix-Vector Multiplication (SpMV) kernel and build upon previous work by ...
Vasileios Karakasis, Georgios I. Goumas, Nectarios...
IPPS
2009
IEEE
14 years 6 months ago
Competitive buffer management with packet dependencies
We introduce the problem of managing a FIFO buffer of bounded space, where arriving packets have dependencies among them. Our model is motivated by the scenario where large data f...
Alexander Kesselman, Boaz Patt-Shamir, Gabriel Sca...
IPPS
2009
IEEE
14 years 6 months ago
Performance evaluation of gang scheduling in a two-cluster system with migrations
Gang scheduling is considered to be a highly effective task scheduling policy for distributed systems. In this paper we present a migration scheme which reduces the fragmentation ...
Zafeirios C. Papazachos, Helen D. Karatza
IPPS
2009
IEEE
14 years 6 months ago
Performance modeling in action: Performance prediction of a Cray XT4 system during upgrade
We present predictive performance models of two of the petascale applications, S3D and GTC, from the DOE Office of Science workload. We outline the development of these models and...
Kevin J. Barker, Kei Davis, Darren J. Kerbyson
IPPS
2009
IEEE
14 years 6 months ago
DMTCP: Transparent checkpointing for cluster computations and the desktop
DMTCP (Distributed MultiThreaded CheckPointing) is a transparent user-level checkpointing package for distributed applications. Checkpointing and restart is demonstrated for a wid...
Jason Ansel, Kapil Arya, Gene Cooperman
IPPS
2009
IEEE
14 years 6 months ago
GenWrapper: A generic wrapper for running legacy applications on desktop grids
Desktop Grids represent an alternative trend in Grid computing using the same software infrastructure as Volunteer Computing projects, such as BOINC. Applications to be deployed o...
Csaba Attila Marosi, Zoltán Balaton, P&eacu...
IPPS
2009
IEEE
14 years 6 months ago
Validating Wrekavoc: A tool for heterogeneity emulation
Experimental validation and testing of solutions designed for heterogeneous environment is a challenging issue. Wrekavoc is a tool for performing such validation. It runs unmodiï¬...
Olivier Dubuisson, Jens Gustedt, Emmanuel Jeannot