2025-plovdiv-parallel-python/exercises/exerciseA/plot.py
ASPP Student f03b7e7a66 .
2025-09-26 12:54:57 +03:00

34 lines
947 B
Python
Executable file

import os
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd
# IO: This loads the timings for you
threads, timings = [], []
for file in os.listdir('timings'):
with open(f'timings/{file}', 'r') as f:
n, t = f.read().strip().split(',')
threads.append(int(n))
timings.append(float(t))
threads = np.array(threads)
timings = np.array(timings)
dat = {'timings': timings, 'threads': threads}
data = pd.DataFrame(dat)
averages = data.groupby('threads').aggregate(['mean','std'])
averages.to_csv('data.csv')
fig, axs = plt.subplots()
# CREATE YOUR PLOT HERE
# Remember to label your axis
# Feel free to make it pretty
means = averages['timings']['mean']
stds = averages['timings']['std']
axs.plot(averages.index, means)
axs.fill_between(averages.index, means-stds, means+stds, alpha=0.3)
axs.set_xlabel('Num threads')
axs.set_ylabel('Time (s)')
plt.show()
plt.savefig('threads_v_timings.png', dpi=300)