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Abstract: mc4qcd is a web based collaboration tool for analysis of Lattice QCD data.Lattice QCD computations consists of a large scale Markov Chain Monte Carlo.Multiple measurements are performed at each MC step. Our system acquires thedata by uploading log files, parses them for results of measurements, filtersthe data, mines for required information by aggregating results, represents theresults as plots and histograms, and it further allows refining and interactionby fitting the results. The system computes moving averages andautocorrelations, builds bootstrap samples and bootstrap errors, and allowsmodeling the data using Bayesian correlated constrained linear and non-linearfits. It can be scripted to allow real time visualization of results form anongoing computation. The system is modular and it can be adapted to automatingthe analysis workflow of different types of MC computations.

Autor: Massimo Di Pierro, Yaoqian Zhong, Brian Schinazi



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