# -- coding: utf-8 -- import cProfile from decimal import Decimal import pstats a = 'Test' b = {'Test': 1} c = 1 d = 0.25 e = Decimal('Infinity') left_column_width = 35 loop_range = range(2000000) def test1(): for i in loop_range: x = '%s' % str(a) def test2(): for i in loop_range: x = '%s' % a def test3(): for i in loop_range: x = '%s' % str(b) def test4(): for i in loop_range: x = '%s' % b def test5(): for i in loop_range: x = '%s' % str(c) def test6(): for i in loop_range: x = '%s' % c def test7(): for i in loop_range: x = '%s' % str(d) def test8(): for i in loop_range: x = '%s' % d def test9(): for i in loop_range: x = '%s' % str(e) def test10(): for i in loop_range: x = '%s' % e test1_profile = cProfile.Profile() test1_profile.runcall(test1) test1_profile.print_stats(sort='cumtime') test2_profile = cProfile.Profile() test2_profile.runcall(test2) test2_profile.print_stats(sort='cumtime') test3_profile = cProfile.Profile() test3_profile.runcall(test3) test3_profile.print_stats(sort='cumtime') test4_profile = cProfile.Profile() test4_profile.runcall(test4) test4_profile.print_stats(sort='cumtime') test5_profile = cProfile.Profile() test5_profile.runcall(test5) test5_profile.print_stats(sort='cumtime') test6_profile = cProfile.Profile() test6_profile.runcall(test6) test6_profile.print_stats(sort='cumtime') test7_profile = cProfile.Profile() test7_profile.runcall(test7) test7_profile.print_stats(sort='cumtime') test8_profile = cProfile.Profile() test8_profile.runcall(test8) test8_profile.print_stats(sort='cumtime') test9_profile = cProfile.Profile() test9_profile.runcall(test9) test9_profile.print_stats(sort='cumtime') test10_profile = cProfile.Profile() test10_profile.runcall(test10) test10_profile.print_stats(sort='cumtime') print('number of loops:'.ljust(left_column_width, ' '), len(loop_range), '\n') print("'%s' % str('Test'):".ljust(left_column_width, ' '), pstats.Stats(test1_profile).total_tt) print("'%s' % 'Test':".ljust(left_column_width, ' '), pstats.Stats(test2_profile).total_tt, '\n') print("'%s' % str({'Test': 1}):".ljust(left_column_width, ' '), pstats.Stats(test3_profile).total_tt) print("'%s' % {'Test': 1}:".ljust(left_column_width, ' '), pstats.Stats(test4_profile).total_tt, '\n') print("'%s' % str(1):".ljust(left_column_width, ' '), pstats.Stats(test5_profile).total_tt) print("'%s' % 1:".ljust(left_column_width, ' '), pstats.Stats(test6_profile).total_tt, '\n') print("'%s' % str(0.25):".ljust(left_column_width, ' '), pstats.Stats(test7_profile).total_tt) print("'%s' % 0.25:".ljust(left_column_width, ' '), pstats.Stats(test8_profile).total_tt, '\n') print("'%s' % str(Decimal('Infinity')):".ljust(left_column_width, ' '), pstats.Stats(test9_profile).total_tt) print("'%s' % Decimal('Infinity'):".ljust(left_column_width, ' '), pstats.Stats(test10_profile).total_tt, '\n')