Gnuplot Produced by GNUPLOT 5.3 patchlevel 0 0 2 4 6 8 10 12 14 6.5 7 7.5 8 8.5 0 0.5 1 1.5 2 2.5 3 3.5 Iterations (x 106) Density (a.u.) Average time (ns) sort/Unstable/5 PDF PDF Mean Mean "Clean" sample "Clean" sample Mild outliers Mild outliers Severe outliers Severe outliers gnuplot_plot_6 gnuplot_plot_7 gnuplot_plot_8 gnuplot_plot_9