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- """
- Copyright 2011-2014 Mario Mulansky
- Copyright 2011-2014 Karsten Ahnert
- Distributed under the Boost Software License, Version 1.0.
- (See accompanying file LICENSE_1_0.txt or
- copy at http://www.boost.org/LICENSE_1_0.txt)
- """
- import numpy as np
- from matplotlib import pyplot as plt
- plt.rc("font", size=16)
- def get_runtime_from_file(filename):
- gcc_perf_file = open(filename, 'r')
- for line in gcc_perf_file:
- if "Minimal Runtime:" in line:
- return float(line.split(":")[-1])
- t_gcc = [get_runtime_from_file("perf_workbook/odeint_rk4_array_gcc.perf"),
- get_runtime_from_file("perf_ariel/odeint_rk4_array_gcc.perf"),
- get_runtime_from_file("perf_lyra/odeint_rk4_array_gcc.perf")]
- t_intel = [get_runtime_from_file("perf_workbook/odeint_rk4_array_intel.perf"),
- get_runtime_from_file("perf_ariel/odeint_rk4_array_intel.perf"),
- get_runtime_from_file("perf_lyra/odeint_rk4_array_intel.perf")]
- t_gfort = [get_runtime_from_file("perf_workbook/rk4_gfort.perf"),
- get_runtime_from_file("perf_ariel/rk4_gfort.perf"),
- get_runtime_from_file("perf_lyra/rk4_gfort.perf")]
- t_c_intel = [get_runtime_from_file("perf_workbook/rk4_c_intel.perf"),
- get_runtime_from_file("perf_ariel/rk4_c_intel.perf"),
- get_runtime_from_file("perf_lyra/rk4_c_intel.perf")]
- print t_c_intel
- ind = np.arange(3) # the x locations for the groups
- width = 0.15 # the width of the bars
- fig = plt.figure()
- ax = fig.add_subplot(111)
- rects1 = ax.bar(ind, t_gcc, width, color='b', label="odeint gcc")
- rects2 = ax.bar(ind+width, t_intel, width, color='g', label="odeint intel")
- rects3 = ax.bar(ind+2*width, t_c_intel, width, color='y', label="C intel")
- rects4 = ax.bar(ind+3*width, t_gfort, width, color='c', label="gfort")
- ax.axis([-width, 2.0+5*width, 0.0, 0.85])
- ax.set_ylabel('Runtime (s)')
- ax.set_title('Performance for integrating the Lorenz system')
- ax.set_xticks(ind + 1.5*width)
- ax.set_xticklabels(('Core i5-3210M\n3.1 GHz',
- 'Xeon E5-2690\n3.8 GHz',
- 'Opteron 8431\n 2.4 GHz'))
- ax.legend(loc='upper left', prop={'size': 16})
- plt.savefig("perf.pdf")
- plt.savefig("perf.png", dpi=50)
- plt.show()
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