Thomas Huth

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QPACE is a novel parallel computer which has been developed to be primarily used for lattice QCD simulations. The compute power is provided by the IBM PowerXCell 8i processor, an enhanced version of the Cell processor that is used in the Playstation 3. The QPACE nodes are interconnected by a custom, application optimized 3-dimensional torus network(More)
Application-driven computers for Lattice Gauge Theory simulations have often been based on system-on-chip designs, but the development costs can be prohibitive for academic project budgets. An alternative approach uses compute nodes based on a commercial processor tightly coupled to a custom-designed network processor. Preliminary analysis shows that this(More)
A simulation tool is developed for evaluation of different policing functions in ATM networks. Simulation results show that it is generally not possible to do source policing of mean values without any restrictions on the measurement period. By introducing a virtual mean, which is a mean value measured over a predefined time interval, it is possible to do(More)
 We introduce a dynamic and stochastic transportation problem consisting of two subproblems. For parcel transportation in hub-and-spoke networks, swap containers are used to carry out hub-to-hub shipments. This constitutes a pickup and delivery problem on the operational level. On the tactical level, empty swap containers are balanced over the hub-network(More)
  • bullet Swisscom, Ag, bullet Belgacom, S A De, Droit Public, Thomas Huth +1 other
  • 1998
Suggested readers: • technical staff personnel of PNOs involved in the network design and dimensioning and in the functional specification of ATM Network Elements. The commercial use of any information contained in this document may require a license from the proprietor of that information. Neither the PARTICIPANTS nor EURESCOM warrant that the information(More)
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