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Displaying 1-8 out of 8 total
New Stream Caching Schemas for Multimedia Systems
Found in: Automated Production of Cross Media Content for Multi-Channel Distribution, International Conference on
By J. Fernandez, J. Carretero, F. Garcia-Carballeira, A. Calderon, J. M. Perez-Menor
Issue Date:December 2005
pp. 77-84
In this paper a new multimedia caching strategy is proposed that includes several optimizations to the state of the art. This algorithm takes its roots from the interval caching algorithms but it evolves towards a more adaptive approaching that could obtai...
A Fault Tolerant MPI-IO Implementation using the Expand Parallel File System
Found in: Parallel, Distributed, and Network-Based Processing, Euromicro Conference on
By A. Calderón, F. García-Carballeira, J. Carretero, J. M. Pérez, L. M. Sánchez
Issue Date:February 2005
pp. 274-281
Parallelism in file systems is obtained by using several independent server nodes supporting one or more secondary storage devices. This approach increases the performance and scalability of the system, but a fault in one single node can stop the whole sys...
A Parallel and Fault Tolerant File System Based on NFS Servers
Found in: Parallel, Distributed, and Network-Based Processing, Euromicro Conference on
By F. García, A. Calderón, J. Carretero, J. M. Pérez, J. Fernández
Issue Date:February 2003
pp. 83
One important piece of system software for clusters is the parallel file system. All current parallel file systems and parallel I/O libraries for cluster do not use standard server, thus it is very difficult to use these systems in heterogeneou environment...
Online error detection and correction of erratic bits in register files
Found in: On-Line Testing Symposium, IEEE International
By X. Vera, J. Abella, J. Carretero, P. Chaparro, A. Gonzalez
Issue Date:June 2009
pp. 81-86
Aggressive voltage scaling needed for low power in each new process generation causes large deviations in the threshold voltage of minimally sized devices of the 6T SRAM cell. Gate oxide scaling can cause large transient gate leakage (a trap in the gate ox...
Cross-layer optimization of Low Power Listening MAC protocols for Wireless Sensor Networks
Found in: Computers and Communications, IEEE Symposium on
By S. Escolar,S. Chessa,J. Carretero
Issue Date:July 2011
pp. 684-691
MAC protocols for Wireless Sensor Networks based on channel checking to detect incoming packets (such as Low Power Listening, LPL) require some form of synchronization among sensors, in order to schedule the times in which the sender and the receiver shoul...
High Availability Considerations for a Distributed Computer-Based Railway Information System
Found in: Database and Expert Systems Applications, International Workshop on
By J. Carretero, J. Fernandez, A. Calderon, F. Garcia-Carballeira
Issue Date:August 2005
pp. 328-332
In this paper we present an implementation of a computer-based railway information system. This system requires a distributed infrastructure that should offer a high availability. The solution proposed is distributed into three kind of nodes: a node that i...
View-Based Collective I/O for MPI-IO
Found in: Cluster Computing and the Grid, IEEE International Symposium on
By Javier García Blas, Florin Isaila, David E. Singh, J. Carretero
Issue Date:May 2008
pp. 409-416
This paper presents the design and implementation of a new file system independent collective I/O optimization based on file views: view-based collective I/O. View-based collective I/O has been implemented and evaluated inside ROMIO implementation of MPI-I...
Design and Implementation of a Parallel I/O Runtime System for Irregular Applications
Found in: Parallel Processing Symposium, International
By J. No, S. Park, J. Carretero, A. Choudhary, P. Chen
Issue Date:April 1998
pp. 0280
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