TY - CONF AU - Groppe, Sven AU - Böttcher, Stefan AU - Heckel, Reiko AU - Birkenheuer, Georg ID - 2417 T2 - Proc. East-European Conf. on Advances in Databases and Information Systems (ADBIS) TI - Using XSLT Stylesheets to Transform XPath Queries ER - TY - CONF AB - Nearly all existing HPC systems are operated by resource management systems based on the queuing approach. With the increasing acceptance of grid middleware like Globus, new requirements for the underlying local resource management systems arise. Features like advanced reservation or quality of service are needed to implement high level functions like co-allocation. However it is difficult to realize these features with a resource management system based on the queuing concept since it considers only the present resource usage. In this paper we present an approach which closes this gap. By assigning start times to each resource request, a complete schedule is planned. Advanced reservations are now easily possible. Based on this planning approach functions like diffuse requests, automatic duration extension, or service level agreements are described. We think they are useful to increase the usability, acceptance and performance of HPC machines. In the second part of this paper we present a planning based resource management system which already covers some of the mentioned features. AU - Hovestadt, Matthias AU - Kao, Odej AU - Keller, Axel AU - Streit, Achim ID - 1998 KW - High Performance Computing KW - Service Level Agreement KW - Grid Resource KW - Resource Management System KW - Advance Reservation T2 - Proc. Workshop on Job Scheduling Strategies for Parallel Processing (JSSPP) TI - Scheduling in HPC Resource Management Systems: Queuing vs. Planning VL - 2862 ER - TY - CONF AU - P. Miller, Barton AU - Labarta, Jesús AU - Schintke, Florian AU - Simon, Jens ID - 2426 SN - 978-3-540-45706-0 T2 - Proc. European Conf. on Parallel Processing (Euro-Par) TI - Performance Evaluation, Analysis and Optimization VL - 2400 ER - TY - CONF AB - The Testbed and Applications working group of the European Grid Forum (EGrid) is actively building and experimenting with a grid infrastructure connecting several research-based supercomputing sites located in Europe. The paper reports on our first feasibility study: running a self-migrating version of the Cactus simulation code across the European grid testbed, including "live" remote data visualization and steering from different demonstration booths at Supercomputing 2000, in Dallas, TX. We report on the problems that had to be resolved for this endeavour and identify open research challenges for building production-grade grid environments. AU - Gehring, Jörn AU - Keller, Axel AU - Reinefeld, Alexander AU - Streit, Achim ID - 2000 T2 - Proc. Int. Symposium on Cluster Computing and the Grid (CCGRID) TI - Early Experiences with the EGrid Testbed ER - TY - CONF AB - The availability of commodity high performance components for workstations and networks made it possible to build up large, PC based compute clusters at modest costs. These clusters seem to be a realistic alternative to proprietary, massively parallel systems with respect to the price/performance ratio. However, from the administration point of view, those systems are still often solely a collection of autonomous nodes, connected by a fast short area network. Therefore, aiming at providing the best possible performance in daily work to all users, a lot of work has to be done before obtaining the expected result. The paper describes the problem areas we had to cope with during the integration of two large SCI clusters (one with 64 and one with 192 processors) in the environment of the Paderborn Center for Parallel Computing. AU - Keller, Axel AU - Krawinkel, Andreas ID - 2002 T2 - Proc. Int. Symposium on Cluster Computing and the Grid (CCGRID) TI - Lessons Learned While Operating Two Large SCI Clusters ER - TY - CONF AU - Schintke, Florian AU - Simon, Jens AU - Reinefeld, Alexander ID - 2431 T2 - Proc. Int. Conf. on Computational Science (ICCS) TI - A Cache Simulator for Shared Memory Systems VL - 2074 ER - TY - CONF AB - RsdEditor is a graphical user interface which produces specifications of computational resources. It is used in the RSD (Resource and Service Description) environment for specifying, registering, requesting and accessing resources and services in a metacomputer. RsdEditor was designed to be used by the administrators and users of metacomputing environments. At the administrator level, the GUI is used to describe the available computing and networking components of a metacomputer. At the user level, RsdEditor can be used to specify which characteristics of the computational resources are needed to execute a meta-application. This paper is organized as follows: it first introduces RsdEditor. It then briefly describes the RSD environment, and finally, it highlights various features and implementation issues of RsdEditor. AU - Baraglia, Ranieri AU - Keller, Axel AU - Laforenza, Domenico AU - Reinefeld, Alexander ID - 2003 T2 - Proc. Heterogenous Computing Workshop HCW at IPDPS TI - RsdEditor: A Graphical User Interface for Specifying Metacomputer Components ER - TY - CONF AB - With the recent availability of cost-effective network cards for the PCI bus, researchers have been tempted to build up large compute clusters with standard PCs. Many of them are operated with workstation cluster management software in high-throughput or single user mode. For very large clusters with more than 100 PEs, however, it becomes necessary to implement a full fledged resource management software that allows to partition the system for multi-user access. In this paper, we present our Computing Center Software (CCS), which was originally designed for managing massively parallel high-performance computers, and now adapted to modern workstation clusters. It provides - partitioning of exclusive and non-exclusive resources, - hardware-independent scheduling of interactive and batch jobs, - open, extensible interfaces to other resource management systems, - a high degree of reliability. AU - Brune, Matthias AU - Keller, Axel AU - Reinefeld, Alexander ID - 2004 T2 - Proc. Int. Conf. on High-Performance Computing and Networking (HPCN) TI - Resource Management for High-Performance PC Clusters ER - TY - CONF AU - Brune, Matthias AU - Reinefeld, Alexander AU - Varnholt, Jörg ID - 2436 T2 - Proc. Int. Symp. High-Performance Distributed Computing (HPDC) TI - A Resource Description Environment for Distributed Computing Systems ER - TY - CONF AB - RSD (Resource and Service Description) is a scheme for specifying resources and services in complex heterogeneous computing systems and metacomputing environments. At the system administrator level, RSD is used to specify the available system components, such as the number of nodes, their interconnection topology, CPU speeds, and available software packages. At the user level, a GUI provides a comfortable, high-level interface for specifying system requests. A textual editor can be used for defining repetitive and recursive structures. This gives service providers the necessary flexibility for fine-grained specification of system topologies, interconnection networks, system and software dependent properties. All these representations are mapped onto a single, coherent internal object-oriented resource representation. Dynamic aspects (like network performance, availability of compute nodes, and compute node loads) are traced at runtime and included in the resource description to allow for optimal process mapping and dynamic task load balancing at runtime at the metacomputer level. This is done in a self-organizing way, with human system operators becoming only involved when new hardware/software components are installed. AU - Brune, Matthias AU - Gehring, Jörn AU - Keller, Axel AU - Reinefeld, Alexander ID - 2009 T2 - Proc. Int. Conf. on High-Performance Computing Systems (HPCS) TI - RSD - Resource and Service Description ER - TY - CONF AB - CCS is a resource management system for parallel high-performance computers. At the user level, CCS provides vendor-independent access to parallel systems. At the system administrator level, CCS offers tools for controlling (i.e, specifying, configuring and scheduling) the system components that are operated in a computing center. Hence the name "Computing Center Software". CCS provides: hardware-independent scheduling of interactive and batch jobs; partitioning of exclusive and non-exclusive resources; open, extensible interfaces to other resource management systems; a high degree of reliability (e.g. automatic restart of crashed daemons); fault tolerance in the case of network breakdowns. The authors describe CCS as one important component for the access, job distribution, and administration of networked HPC systems in a metacomputing environment. AU - Keller, Axel AU - Reinefeld, Alexander ID - 2011 T2 - Proc. Heterogenous Computing Workshop (HCW) at IPPS TI - CCS Resource Management in Networked HPC Systems ER - TY - CONF AU - Brune, Matthias AU - Hellmann, Christian AU - Keller, Axel ID - 2013 T2 - Proc. Workshop Hypercomputing at ITG/GI-Conference Architekur von Rechensystemen TI - A Closer Step towards Management of Metacomputing-Resources ER - TY - CONF AU - Simon, Jens AU - Weicker, Reinhold AU - Vieth, Marco ID - 2438 SN - 978-3-540-69549-3 T2 - Proc. European Conf. on Parallel Processing (Euro-Par) TI - Workload Analysis of Computation Intensive Tasks: Case Study on SPEC CPU95 Benchmarks VL - 1300 ER - TY - CONF AU - Heinz, Oliver AU - Simon, Jens ID - 2439 T2 - Proc. Int. Conf. on Architecture of Computing Systems (ARCS) TI - Experiences with a SCI Multiprocessor Workstation Cluster ER - TY - CONF AU - Simon, Jens AU - Heinz, Oliver ID - 2440 T2 - Proc. Workshops im Rahmen der 14. ITG/GI-Fachtagung Architektur von Rechensystemen TI - SCI multiprocessor PC cluster in a WindowsNT environment ER - TY - CONF AU - Fischer, Markus AU - Simon, Jens ID - 2441 T2 - Proc. European Parallel Virtual Machine / Message Passing Interface Users’ Group Meeting (EuroPVM/MPI) TI - Embedding SCI into PVM VL - 1332 ER - TY - CONF AU - Reinefeld, Alexander AU - Baraglia, Ranieri AU - Decker, Thomas AU - Gehring, Jörn AU - Laforenza, Domenico AU - Ramme, Friedhelm AU - Römke, Thomas AU - Simon, Jens ID - 2442 T2 - Proc. Heterogenous Computing Workshop (HCW) TI - The MOL Project: An Open, Extensible Metacomputer ER - TY - CONF AU - Simon, Jens AU - Wierum, Jens-Michael ID - 2443 SN - 978-3-540-61142-4 T2 - Proc. Int. Conf. on High-Performance Computing and Networking (HPCN-Europe) TI - Sequential Performance versus Scalability: Optimizing Parallel LU-Decomposition VL - 1067 ER - TY - CONF AU - Simon, Jens AU - Wierum, Jens-Michael ID - 2444 T2 - Proc. Annual Int. Conf. on High-Performance Computers (HPCS) TI - Performance Prediction of Benchmark Programs for Massively Parallel Architectures ER - TY - CONF AU - Simon, Jens AU - Wierum, Jens-Michael ID - 2445 T2 - Proc. European Conf. on Parallel Processing (Euro-Par) TI - Accurate Performance Prediction for Massively Parallel Systems and its Applications VL - 1124 ER - TY - CONF AU - Röttger, Markus AU - Schroeder, Ulf-Peter AU - Simon, Jens ID - 2447 T2 - Proc. Int. Conf. on High-Performance Computing and Networking TI - Implementation of a Parallel and Distributed Mapping Kernel for PARIX VL - 919 ER - TY - CONF AU - Römke, Thomas AU - Röttger, Markus AU - Schroeder, Ulf-Peter AU - Simon, Jens ID - 2448 T2 - Proc. ZEUS Workshop on Par. Programming and Computation TI - An Efficient Mapping Library for Parix ER - TY - CONF AU - Römke, Thomas AU - Röttger, Markus AU - Schroeder, Ulf-Peter AU - Simon, Jens ID - 2449 SN - 978-3-540-44769-6 T2 - Proc. European Conf. on Parallel Processing (Euro-Par) TI - On Efficient Embeddings of Grids into Grids in PARIX VL - 966 ER - TY - CONF AU - Simon, Jens ID - 2452 SN - 9051991959 T2 - Parallele Datenverarbeitung aktuell: TAT '94 TI - Leistung eines Parallelrechners auf Basis des PowerPC-Prozessors ER - TY - CONF AU - Diekmann, Ralf AU - Simon, Jens ID - 2457 T2 - Abstraktband des 4. bundesweiten Transputer-Anwender-Treffens (TAT 92) TI - Leistungssteigerung paralleler Systeme durch virtuelle Topologien ER - TY - CONF AU - Diekmann, Ralf AU - Lüling, Reinhard AU - Simon, Jens ID - 2458 T2 - Proc. 13th IMACS World Congress on Computation and Applied Mathematics TI - A General Purpose Distributed Implementation of Simulated Annealing ER - TY - CONF AU - Diekmann, Ralf AU - Lüling, Reinhard AU - Simon, Jens ID - 2459 T2 - Proc. IEEE Symp. on Parallel and Distributed Processing (SPDP) TI - A General Purpose Distributed Implementation of Simulated Annealing ER - TY - CONF AU - Diekmann, Ralf AU - Lüling, Reinhard AU - Monien, Burkhard AU - Simon, Jens ID - 2460 SN - 978-3-642-77447-8 T2 - Parallele Datenverarbeitung mit dem Transputer TI - Implementierung von Simulated Annealing auf Transputer-Systemen ER -