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#!/usr/bin/python
import sys
def parse_table(f):
curr = 0
x = []
y = []
while (True):
line = f.readline()
if line == '#####\n':
if curr == 3:
break
else:
curr += 1
elif curr == 2:
v = [int(i) for i in line.strip().split()]
x += [v[0]]
y += [v[1]]
return x, y
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure()
with open(sys.argv[1]) as f:
for i in range(0, 3):
x, y = parse_table(f)
fit = np.polyfit(x, y, 1)
fit_fn = np.poly1d(fit)
ax = fig.add_subplot(2, 2, i)
ax.plot(x, y, 'b', x, fit_fn(x), 'r')
ax.set_xlabel('bucket')
ax.set_ylabel('entries')
ax.axis('tight')
ax.text(0.03, 0.97,
'mean=%.2f\nstddev=%.2f' % (np.mean(y), np.std(y)),
transform=ax.transAxes,
verticalalignment='top',
horizontalalignment='left'
)
ax.grid(True)
fig.suptitle('Hash distribution on buckets', weight='bold', size='large')
fig.tight_layout()
plt.subplots_adjust(top=0.9)
plt.show()
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