Proceedings 11th IEEE International Symposium on High Performance Distributed Computing
1082-8907
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Adaptive timeout discovery using the Network Weather Service
- Trang 35-41
In this paper we present a novel methodology for improving the performance and dependability of application-level messaging in Grid systems. Based on the Network Weather Service, our system uses nonparametric statistical forecasts of request-response times to automatically determine message timeouts. By choosing a timeout based on predicted network performance, the methodology improves application......
#Application software #Weather forecasting #Computer science #Testing #Dynamic scheduling #Degradation #Programming profession #Grid computing #Processor scheduling #Mesh generation
The GridLab grid application toolkit
- Trang 411
We present a synopsis of the Grid Application Toolkit, under development in the EU GridLab project, along with some of the new application scenarios which it will enable.
#Application software #Portals #Grid computing #Testing #Resource management #Switches #Physics #Parallel machines #Processor scheduling #Computational modeling
GriPhyN and LIGO, building a virtual data Grid for gravitational wave scientists
- Trang 225-234
Many Physics experiments today generate large volumes of data. That data is then processed in a variety of ways in order to achieve the understanding of fundamental physical phenomena. The goal of the NSF-funded GriPhyN project (Grid Physics Network) is to enable scientists to seamlessly access data whether it is raw experimental data or a data product which is a result of further processing. GriP......
#Physics #Linear discriminant analysis #Observatories #Virtual prototyping #Concrete #Marine technology #Laser theory #Large-scale systems #Project management #Astronomy
Using semantic information to guide efficient parallel I/O on clusters
- Trang 135-142
Despite the large I/O capabilities in modern cluster architectures with local disks on each node, applications mostly are not enabled to fully exploit them. This is especially problematic for data intensive applications which often suffer from low I/O performance. As one solution for this problem, a distribution I/O management (DIOM) system has been developed to manage a transparent distribution o......
#Positron emission tomography #Image reconstruction #Biomedical imaging #Image storage #Middleware #Biomedical image processing #Resource management #Personal communication networks #Operating systems #Detectors
Flexibility, manageability, and performance in a Grid storage appliance
- Trang 3-12
We present NeST a flexible software-only storage appliance designed to meet the storage needs of the Grid. NeST has three key features that make it well-suited for deployment in a Grid environment. First, NeST provides a generic data transfer architecture that supports multiple data transfer protocols (including GridFTP and NFS), and allows for the easy addition of new protocols. Second, NeST is d......
#Home appliances #Protocols #Costs #Hardware #Distributed computing #Open source software #Grid computing #Computer architecture #Authentication #Quality of service
Grid-based knowledge discovery services for high throughput informatics
- Trang 416
Discovery Net is an application layer for providing grid-based knowledge discovery services. These services allow scientists to create and manage complex knowledge discovery workflows that integrate data and analysis routines provided as remote services. They also allow scientists to store, share and execute these workflows as well as publish them as new services. Discovery Net provides a higher l......
#Throughput #Data analysis #Knowledge management #Resource management #Remote sensing #Prototypes #Data mining #Computer architecture #Biomedical informatics #Educational institutions
Bringing the grid to the biomedical workbench
- Trang 417
Modem biological research is data intensive and relies on an efficient informatics infrastructure. Research on the genetic control of embryo development involves large volume image data requiring significant computing resources for reconstruction, mapping and analysis. This poster describes a demonstrator for delivering secure and transparent access to high-performance computing to the laboratory ......
#Biology computing #Biomedical computing #Image reconstruction #Modems #Biomedical informatics #Genetics #Embryo #Image analysis #Grid computing #Laboratories
Leveraging run time knowledge about event rates to improve memory utilization in wide area data stream filtering
- Trang 171-178
The dQUOB system conceptualization of data streams as database and its SQL interface to data streams is an intuitive way for users to think about their data needs in a large scale application containing hundreds if not thousands of data streams. Experience with dQUOB has shown the need for more aggressive memory management to achieve the scalability we desire. This paper addresses the problem with......
#Scalability #Scheduling algorithm #Relational databases #Filtering #Computer science #Large-scale systems #Application software #Memory management #Runtime #Wide area measurements
Distributed model coupling framework
- Trang 284-290
An implementation of a distributed model coupling framework is documented. This framework provides the infrastructure for a data-flow approach for solving the problem of distributed numerical models sharing coupling information. There exists a centralized server which stores coupling information such as surface fluxes. This information is then passed to client applications (numerical models) throu......
#Ocean temperature #Sea surface #Atmospheric modeling #Physics #Surface treatment #Atmosphere #Numerical models #Information filtering #Information filters #Frequency
The performance of processor co-allocation in multicluster systems
- Trang 414
In systems consisting of multiple clusters of processors interconnected by relatively slow communication links, co-allocation may be required. We study its performance by means of simulations, depending on the structure and sizes of jobs, and the communication speed ratio. We model a multicluster with C clusters of identical processors. The workload consists of rigid jobs that require fixed number......
#Delay #Information technology #Distributed computing