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#!/usr/bin/env python
"""
Plotting results of variable ring buffer experiment.
Copyright (C) Sarah Mount, 2009.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have rceeived a copy of the GNU General Public License
along with this program; if not, write to the Free Software
"""
from scipy import *
from pylab import *
__date__ = 'November 2009'
FILENAME = 'token_ring.png'
subplots_adjust(hspace=0.4, wspace=0.6)
# Num of nodes in token ring
t = array([2, 4, 8, 16, 32, 64, 128, 256, 512, 1024])
yvals = {1:{'procs':array([350.057995,
314.430736, 157.215372, 78.607687, 39.303844,
19.651922, 9.825962, 4.912981, 2.456491, None, None]),
'threads':array([314.430851, 157.215429, 78.607716, 39.303859,
19.651930, 9.825965, 4.912983, 2.456492, None, None]),
'jython':array([314.431448, 157.215729, 78.607867, 39.303935,
19.651969, 9.825985, 4.912993, 2.456502, 1.228249, 0.614125])}
}
subplot(111)
title('Variable sized ring buffer \nwith one token')
plot(t, yvals[1]['procs'], 'g^-')
plot(t, yvals[1]['threads'], 'k*--')
plot(t, yvals[1]['jython'], 'rx-.')
legend(['Processes reified as OS processes',
'Processes reified as OS threads',
'Processes reified as Java threads'],
loc='upper left')
xlabel('Number of nodes in token ring')
ylabel(r'Time $(\mu{}s)$')
###
#subplot(222)
#title('16 node ring buffer \nwith three tokens')
#plot(t, yvals[1]['procs'], 'g^-')
#plot(t, yvals[1]['threads'], 'k*--')
#plot(t, yvals[1]['jython'], 'rx-.')
#legend(['Processes reified as OS processes',
# 'Processes reified as OS threads',
# 'Processes reified as Java threads'],
# loc='upper left')
#xlabel('Number of nodes in token ring')
#ylabel(r'Time $(\mu{}s)$')
###
#subplot(223)
#title('32 node ring buffer \nwith three tokens')
#plot(t, yvals[1]['procs'], 'g^-')
#plot(t, yvals[1]['threads'], 'k*--')
#plot(t, yvals[1]['jython'], 'rx-.')
#legend(['Processes reified as OS processes',
# 'Processes reified as OS threads',
# 'Processes reified as Java threads'],
# loc='upper left')
#xlabel('Number of nodes in token ring')
#ylabel(r'Time $(\mu{}s)$')
###
#subplot(224)
#title('64 node ring buffer \nwith three tokens')
#plot(t, yvals[1]['procs'], 'g^-')
#plot(t, yvals[1]['threads'], 'k*--')
#plot(t, yvals[1]['jython'], 'rx-.')
#legend(['Processes reified as OS processes',
# 'Processes reified as OS threads',
# 'Processes reified as Java threads'],
# loc='upper left')
#xlabel('Number of nodes in token ring')
#ylabel(r'Time $(\mu{}s)$')
###
grid(True)
savefig(FILENAME, format='png')
show()