Trace-based Simulator
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In computer science, trace-based simulation refers to
system simulation __NOTOC__ System Simulation (SSL) is a software engineering company now specialising in text and multimedia information systems, based in Covent Garden, central London, England, and founded in 1970. Under the chairmanship of John Lansdown, follo ...
performed by looking at traces of program execution or system component access with the purpose of
performance prediction In computer science, performance prediction means to estimate the execution time or other performance factors (such as cache misses) of a program on a given computer. It is being widely used for computer architects to evaluate new computer designs ...
.''Software Technologies for Embedded and Ubiquitous Systems'' edited by Sunggu Lee and Priya Narasimhan 2009 page 28 Trace-based simulation may be used in a variety of applications, from the analysis of solid state disks to the message passing performance on very large
computer cluster A computer cluster is a set of computers that work together so that they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software. The comp ...
s.''Languages and Compilers for Parallel Computing'' edited by Keith Cooper, John Mellor-Crummey and Vivek Sarkar 2011 pages 202-203 Traced-based simulators usually have two components: one that executes actions and stores the results (i.e. traces) and another which reads the log files of traces and interpolates them to new (and often more complex) scenarios. For instance, in the case of large computer cluster design, the execution takes place on a small number of nodes, and traces are left in log files. The simulator reads those log files and simulates performance on a much larger number of nodes, thus providing a view of the performance of very large applications, based on the execution traces on a much smaller number of nodes.''Petascale Computing: Algorithms and Applications'' by David A. Bader 2007 pages 435-435


See also

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BIGSIM BIGSIM is a computer simulation and performance modeling system for parallel computing, typically used for very large computer clusters.''Petascale Computing: Algorithms and Applications'' by David A. Bader 2007 pages 435-435''Languages and Comp ...


References

{{Comp-sci-stub Cluster computing Computer optimization