Timing code

fibonacci.py

import numpy as np
import matplotlib.pyplot as plt
from timeit import *

def collect_results():
    results = []
    for i in range(1000, 2000001, 100000):
        f = "fast_doubling_fibonacci_recursive"
        t1 = Timer(f"{f}({i})",
                   f"from __main__ import {f}")
        st1 = t1.timeit(number=10)

        f = "matrix_fibonacci"
        t2 = Timer(f"{f}({i})",
                   f"from __main__ import {f}")
        st2 = t2.timeit(number=10)

        f = "fibonacci_djikstra"
        t3 = Timer(f"{f}({i})",
                   f"from __main__ import {f}")
        st3 = t3.timeit(number=10)

        results.append((i, st1 / 10, st2 / 10, st3 / 10))

    print(results)
    return results

if __name__ == "__main__":

    matrixDat = np.array(collect_results())
    print (matrixDat)
    plt.plot(matrixDat[:, 0], matrixDat[:, 1], 'o', color='red', label='fast_doubling_fibonacci_recursive');
    plt.plot(matrixDat[:, 0], matrixDat[:, 2], '+', color='blue', label='matrix_fibonacci');
    plt.plot(matrixDat[:, 0], matrixDat[:, 3], 'D', color='black', label='fibonacci_djikstra');
    plt.xlabel("Fibonacci(n)")
    plt.ylabel("Duration(s)")
    leg = plt.legend(numpoints=1)

    plt.savefig('my_plot.png')