Download Competence in High Performance Computing 2010: Proceedings by Achim Basermann, Hans-Peter Kersken (auth.), Christian PDF

By Achim Basermann, Hans-Peter Kersken (auth.), Christian Bischof, Heinz-Gerd Hegering, Wolfgang E. Nagel, Gabriel Wittum (eds.)

This publication provides the state of the art in simulation on supercomputers. prime researchers current effects accomplished on platforms of the Gauss-Allianz, the organization of High-Performance Computing facilities in Germany. The experiences hide all fields of computational technological know-how and engineering, starting from CFD to Computational Physics and Biology to machine technology, with a unique emphasis on industrially proper purposes. featuring effects for large-scale parallel microprocessor-based platforms and GPU and FPGA-supported structures, the booklet makes it attainable to check the functionality degrees and value of assorted architectures. Its extraordinary ends up in attaining the top functionality for creation codes are of specific curiosity for either scientists and engineers. The e-book contains a wealth of colour illustrations and tables.

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Additional resources for Competence in High Performance Computing 2010: Proceedings of an International Conference on Competence in High Performance Computing, June 2010, Schloss Schwetzingen, Germany

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This issue has already been studied in the research community, but we have to see which of these solutions fits best into J-Cell. Furthermore, we want to study how we can best support applications that use lock-based synchronization. We expect that the fundamental concept of GAOs and GAO versions carries over to lock-based synchronization; but we need to complement our protocols with protocols for obtaining and releasing locks. Most importantly, these protocols need to be robust in face of node failures.

Thereby, DecentSTM can prefer to roll back cheap transactions, rather than the costly ones. When the consensus protocol has settled and global consensus has been reached, the succeeding version is moved into the GAO’s globally consistent version history list. ) The DecentSTM protocol is not only a fully decentralized protocol; it also decouples the transactions from the consensus phases: A transaction can proceed optimistically and read a tentative GAO version, at the risk of having to roll back, if the consensus protocol happens to reject the chosen version.

The following sections describe the mentioned J-Cell technologies in more detail. 3 Object Location and Retrieval Current processor architectures such as IBM’s Cell processor or Intel’s single-chip cloud computer (SCC) indicate that future processors will have to give up cache coherence between the processor’s cores. Both, the Cell and the SCC give up the illusion of a large, flat memory space. They rather treat the core’s fast on-chip memory as individual memory regions. The Cell – and partly also the SCC – use the fast on-chip memory as message passing buffers, which are not part of the slow off-chip main memory address space.

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