Knowledge Acquisition, Modeling and Management: 10th by Ghassan Beydoun, Achim Hoffmann (auth.), Enric Plaza,

By Ghassan Beydoun, Achim Hoffmann (auth.), Enric Plaza, Richard Benjamins (eds.)

This quantity constitutes the refereed court cases of the tenth ecu Workshop on wisdom Acquisition, Modelling and administration, EKAW '97, held in Sant Feliu de Guixols, Catalonia, Spain, in October 1997.
The 20 revised complete papers and eleven brief papers offered have been conscientiously chosen from a variety of submissions. additionally integrated is one invited presentation. one of the themes coated are the mainstream wisdom acquisition concerns, but additionally extra leading edge ones, wisdom integration, company modelling, wisdom reuse, ordinary language processing, challenge fixing, wisdom extraction, Web-based wisdom structures, computing device studying, information mining, etc.

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Additional resources for Knowledge Acquisition, Modeling and Management: 10th European Workshop, EKAW '97 Sant Feliu de Guixols, Catalonia, Spain October 15–18, 1997 Proceedings

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1 Experience with a New System One example of the process a major facility must go through in placing a new ultrascale capability into service is demonstrated in Figure 3. In 1997, NERSC at Lawrence Berkeley National Laboratory (LBL) transitioned its primary production computing capability to a massively parallel ultra-scale computer by placing into service a large, early delivery Cray T3E. At the time of introduction, this system was the largest unclassified supercomputer in the US and represented a 20-fold increase in raw computing power to the 2,500 scientists who use NERSC.

Most of the jobs have a low response time (not just most of the jobs, but most of the job weight). Valuation of Ultra-scale Computing Systems Fig. 7. Site B Fig. 8. Site C - C1 is on the top; C2 is on the bottom 51 52 L. H. Smith Fig. 9. Site D But there are high slowdown values at low instantaneous utilization values. The reason for this counterintuitive pattern is that there are a number of job classes that are overlaid in this data. Finally, a yet different phenomenon is observed for Site E. The bubbles appear to have no real pattern.

Are users able to achieve objectives on priority jobs? – Capability: Was enabling capability jobs a reason the platform was purchased in the first place? Can an important task be performed overnight? Can the resources required to accomplish the necessary simulations be reasonably acquired? – Response time: Do the simulations enabled by the resources exhibit a demonstrable decrease in turnaround time, as expected by users? For specific classes of applications or users, is the response time appropriate?

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