Sciweavers

5448 search results - page 662 / 1090
» Breakpoints and Time in Distributed Computations
Sort
View
CLUSTER
2008
IEEE
16 years 1 months ago
OpenMP-centric performance analysis of hybrid applications
—Several performance analysis tools support hybrid applications. Most originated as MPI profiling or tracing tools and OpenMP capabilities were added to extend the performance a...
Karl Fürlinger, Shirley Moore
CLUSTER
2008
IEEE
16 years 1 months ago
A comparison of search heuristics for empirical code optimization
—This paper describes the application of various search techniques to the problem of automatic empirical code optimization. The search process is a critical aspect of auto-tuning...
Keith Seymour, Haihang You, Jack Dongarra
CLUSTER
2008
IEEE
16 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...
COLCOM
2008
IEEE
16 years 1 months ago
A Constraint and Attribute Based Security Framework for Dynamic Role Assignment in Collaborative Environments
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
Isabel F. Cruz, Rigel Gjomemo, Benjamin Lin, Mirko...
ICNSC
2008
IEEE
16 years 1 months ago
Facility Location Optimization via Multi-Agent Robotic Systems
— A facility location problem deals with locating the best place for a group of facilities, among distinct demand points, minimizing a certain locational optimization function. I...
Miad Moarref, Hassan Sayyadi