Quote: discrepancies in commercial packages for seismic data processing traced to software errors; caused 1% precision loss per 3000 executable source lines; much worse than cross-platform errors

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The [N-version programming] experiment is being carried out in … developed large commercial packages that implement mathematical algorithms … over the last 20 years. The results of … is reported in this paper. … [p. 795] During the feedback exercises, suspicious departures from … significant reductions in disagreement. … From these points, it seems reasonable to infer … [p. 796] The observed mean decay in agreement in … 3000 executable source lines … and is some three orders of magnitude worse …   Google-1   Google-2

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Topic: numerical error (19 items)