Thomas Fuerle

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Introduction 1 Two factor8 8trongly inftuenced the re8earch in high performance computing in the la8t few year8, the 1/0 bottleneck and clu8ter 8y8tem8. Fir8tly, for many 8upercomputing application8 the limiting factor i8 not the number of available CPU8 anymore, but the bandwidth of the di8k 1/0 8y8tem. Secondly, a 8hift from the cla88ical, co8tly(More)
Due to the shift from CPU-bound to I/O bound problems the performance of the disk I/O accesses of parallel programs is a key factor for the success of solution approaches. The Vienna Parallel Input Output System (ViPIOS) [14] is a clientserver based system to speed up the disk accesses for high performance programs by combining characteristics of parallel(More)
In this paper we present the MPI-IO Interface kernel in the Vienna Parallel Input Output System (ViPIOS), which is a client-server based parallel I/O system. Compared to the already existing parallel I/O systems and libraries the concept of an independent distributed server promises to greatly enhance the usability and acceptance of the I/O system as well(More)
For applications in laser display technology, a polygonal line scanning device based on aerodynamic hemispherical bearings is being developed in our laboratory. The rotor of the device requires precise balancing for reliable performance at rotational speeds >60 000 rpm. We estimate the necessary balancing quality from basic considerations and describe, how(More)
Thomas Fuerle and Erich Schikuta Institute of Applied Computer Science and Information Systems, University of Vienna, Rathausstr. 19/4, A-1010, Vienna, Austria Email:, Abstract This paper describes the speci cation and implementation of PANNS (Parallel Arti cial Neural Network Simulator), a general(More)
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