Created
August 30, 2012 18:54
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Creates a graph comparing disk read throughput to Internet speeds over time
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import matplotlib.pyplot as plt | |
import numpy as np | |
from matplotlib import rc | |
rc('text', usetex=True) | |
rc('font', family='sans-serif') | |
rc('font', size='16') | |
# source: http://download.broadband.gov/plan/fcc-omnibus-broadband-initiative-(obi)-technical-paper-broadband-performance.pdf | |
# years | |
broadband_x = [1997, 2000, 2003, 2006, 2009] | |
# megabits/s | |
broadband_y = [0.8, 1.5, 2.4, 4.0, 7.0] | |
# source: http://tylermuth.wordpress.com/2011/11/02/a-little-hard-drive-history-and-the-big-data-problem/ | |
# years | |
disk_x = [1998, 1999, 2001, 2003, 2008, 2011] | |
# megabytes/s -> megabits/s | |
disk_y = np.array([7.6, 9.5, 29, 63.6, 164, 204]) * 8.0 | |
fig = plt.figure(figsize=(11.5, 8)) | |
ax1 = fig.add_subplot(111) | |
ax1.plot(disk_x, disk_y, marker='s') | |
ax1.plot(broadband_x, broadband_y, marker='p') | |
ax1.set_yscale('log') | |
plt.xlabel('Year') | |
plt.ylabel('Megabits/s') | |
plt.legend(['Disk Throughput', 'Median Advertised Consumer Broadband Speed'], loc=2) | |
plt.subplots_adjust(left=0.08, right=0.95, top=0.95, bottom=0.1) | |
plt.savefig('speedgraph.pdf') |
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