CPU Benchmark - single core speed test with Fibonacci Sequence in Python

In this short article, I would like to show Fibonacci Sequence test that is run on a single core. The test source code was converted from C++ to Python - check source article.

Example test.py file:

xxxxxxxxxx

import time

​

def get_current_time():

    return round(1000 * time.time())

​

a, b = 0, 1

​

print('Started!');

t1 = get_current_time();

​

i = 0

while i < 10000:

    j = 0

    while j < 1000000:

        tmp = b

        b = a + b

        a = tmp

        j = j + 1

    i = i + 1

​

t2 = get_current_time();

dt = t2 - t1;

​

print('Finished!');

​

print('Result: ', b);

print('Time: ', 0.001 * dt, 's');

Running with python:

xxxxxxxxxx

py test.py

Example output:

xxxxxxxxxx

Started!

Finished!

Result:  ...

Time:  >199760 s

Conclusion: execution time is very long what is caused by size of integer numbers that are limited by available memory - it is like working with big integer numbers.

Used Python: v3.10.0 (CPython)

Used OS: Windows 10 x64

Used PC:

• Ryzen 9 5900x
• DRR 4 (2x 32GB)
• Samsung SSD M.2 970 EVO (1TB)
• GeForce GTX 970 (4GB RAM)

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