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Geographical information system application of multiprocessor multidisk image servers

Publications associées (41)

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Load Sharing for Multiprocessor Network Nodes

This thesis discusses techniques for sharing the processing load among multiple processing units within systems that act as nodes in a data communications network. Load-sharing techniques have been explored in the field of computer science for many years a ...

2003

OpenMP for Networks of SMPs

Willy Zwaenepoel

In this paper, we present the first system that implement OpenMP on network of shared-memory multiprocessors. This system enables the program to rely on a single, standard, shared-memory API for parallelization within a multiprocessor and between multiproc ...

2000

Data Replication Strategies for Fault Tolerance and Availability on Commodity Clusters

Willy Zwaenepoel

Recent work has shown the advantages of using persistent memory for transaction processing. In particular, the Vista transaction system uses recoverable memory to avoid disk I/O, thus improving performance by several orders of magnitude. In such a system, ...

2000

Cluster Reserves: A Mechanism for Resource Management in Cluster-based Network Servers

Willy Zwaenepoel

In network (e.g., Web) servers, it is often desirable to isolatethe performance of different classes of requests from each other. That is, one seeks to achieve that a certain minimalproportion of server resources are available for a class ofrequests, indep ...

2000

OpenMP on Networks of SMPs

Willy Zwaenepoel

In this paper, we present the first system that implements OpenMP on a network of shared-memory multiprocessors. This system enables the programmer to rely on a single, standard, shared-memory API for parallelization within a multiprocessor and between mul ...

1999

Distributed run-time visualization and solution steering of parallel flow simulations

Mark Sawley

A run-time visualization and solution-steering tool, TPview, has been developed to overcome difficulties commonly encountered with large-scale numerical simulations on high-performance parallel computer systems. TPview provides the interface between the pa ...

1998

OpenMP on Networks of Workstations

Willy Zwaenepoel

We describe an implementation of a sizable subset of OpenMP on networks of workstations (NOWs). By extending the availability of OpenMP to NOWs, we overcome one of its primary drawbacks compared to MPI, namely lack of portability to environments other than ...

1998

Modeling cost/performance of a parallel computer simulator

Babak Falsafi, David Wood

This article examines the cost/performance of simulating a hypothetical target parallel computer using a commercial host parallel computer. We address the question of whether parallel simulation is simply faster than sequential simulation, or if it is also ...

1997

Introduction to CAP : A language extension for the specification of pipelined parallel applications

Roger Hersch

Programming parallel shared- and distributed-memory architectures remains a difficult task. This contribution proposes a methodology for the hierarchical specification of pipelined parallel applications running on shared- as well as distributed-memory arch ...

Ecole Polytechnique Fédérale de Lausanne1996

Performances of multiprocessor multidisk architectures for continuous media storage

Roger Hersch

Multimedia interfaces increase the need for large image databases, capable of storing and reading streams of data with strict synchronicity and isochronicity requirements. In order to fulfill these requirements, the authors consider a parallel image server ...

SPIE-Int. Soc. Opt. Eng1996