Commit 4dd623fb authored by Andreas Schmidt's avatar Andreas Schmidt
Browse files

~= improved CDF efficiency

parent 7b509e64

xlap/analyse/cdf.py

+2 −1
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ def multi_cdf(dfs, config, export=False, file_name="CDF.pdf"): 
        for df in dfs:

            cdf(df[duration], grid=True, ax=ax)



        if(idx == 0):

            ax.legend(names)

        ax.set_xlabel("{} [us]".format(duration))

        ax.set_ylabel("CDF")

xlap/analyse/util.py

+6 −9
Original line number Diff line number Diff line
@@ -2,18 +2,15 @@ import matplotlib.pyplot as plt 
import numpy as np

import math





def cdf(values, grid=False, ax=None):

    # empirical CDF

    def F(x,data):

        return float(len(data[data <= x]))/len(data)



    vF = np.vectorize(F, excluded=['data'])



def cdf(values, ax=None, grid=False, **kwargs):

    if ax is None:

        ax = plt



    ax.semilogx(np.sort(values),vF(x=np.sort(values), data=values))

    if not "linestyle" in kwargs:

        kwargs["linestyle"] = "-"



    s = np.sort(values)

    ax.semilogx(s, np.searchsorted(s, s, side='right') / len(s), **kwargs)

    if grid:

        ax.grid()