Be careful with Intel turbo boost! It can screw your benchmarking! And run slower when dealing with parallel programs!

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I wrote several months ago a little application called (I’ll open the code soon…) which calculates the active, reactive and also the apparent power in machine terminal’s over the time domain, for electromagnetic transients analysis. The files that this program have to crunch often have 1.E6 lines or more. Due to those large files this application was taking long time to finish it’s calculations 1h-3h, hence I started to transcript it into a parallel paradigm using python as well. The problem begins when I tried to benchmark the parallel version and compare with the single threaded one. The single […]