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Christian Heimes  committed 91d49af

initial import of benchmarks on Linux

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Files changed (34)

+^core
+
+syntax: glob
+*.swp
+*.pyc
+*.pyo
+*~
+__pycache__
+
+Benchmark results for PEP 456
+=============================
+
+http://hg.python.org/features/pep-456/
+http://www.python.org/dev/peps/pep-0456/
+
+

File linux_athlonX2-2/benchmark_x64.csv

+Benchmark,Base,Changed
+2to3,0.692043,0.676043
+call_method,0.444602,0.428345
+call_method_slots,0.433751,0.431798
+call_method_unknown,0.443203,0.473516
+call_simple,0.334694,0.307230
+chaos,0.357991,0.367225
+django_v2,0.823132,0.856096
+etree_generate,0.412588,0.434688
+etree_iterparse,0.628299,0.661535
+etree_parse,0.479998,0.499383
+etree_process,0.319385,0.333254
+fannkuch,1.477698,1.433883
+fastpickle,0.545935,0.544855
+fastunpickle,0.745660,0.749344
+float,0.381727,0.385338
+formatted_logging,0.377780,0.394750
+go,0.730034,0.734027
+iterative_count,0.203411,0.196258
+json_dump,0.607006,0.615865
+json_dump_v2,3.640910,3.738390
+json_load,0.566924,0.609027
+mako,0.062346,0.062661
+mako_v2,0.051311,0.052187
+meteor_contest,0.263494,0.261673
+nbody,0.342679,0.332214
+normal_startup,0.555283,0.569358
+nqueens,0.312308,0.325520
+pathlib,0.121294,0.125272
+pickle_dict,0.553260,0.545517
+pickle_list,0.321702,0.316006
+pidigits,0.379770,0.380385
+raytrace,1.600438,1.826914
+regex_compile,0.483441,0.506853
+regex_effbot,0.076466,0.077268
+regex_v8,0.057571,0.058920
+richards,0.250474,0.241171
+silent_logging,0.108796,0.109667
+simple_logging,0.361158,0.377353
+spectral_norm,0.415080,0.458230
+startup_nosite,0.359247,0.352513
+telco,0.010000,0.010000
+threaded_count,0.210392,0.203759
+tornado_http,0.342839,0.351473
+unpack_sequence,0.000063,0.000063
+unpickle_list,0.401559,0.403907

File linux_athlonX2-2/benchmark_x64.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running tornado_http...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.692043 -> 0.676043: 1.02x faster
+
+### call_method ###
+Min: 0.444602 -> 0.428345: 1.04x faster
+Avg: 0.445859 -> 0.431527: 1.03x faster
+Significant (t=22.29)
+Stddev: 0.00141 -> 0.00205: 1.4571x larger
+
+### call_method_unknown ###
+Min: 0.443203 -> 0.473516: 1.07x slower
+Avg: 0.445712 -> 0.481195: 1.08x slower
+Significant (t=-45.49)
+Stddev: 0.00175 -> 0.00246: 1.4054x larger
+
+### call_simple ###
+Min: 0.334694 -> 0.307230: 1.09x faster
+Avg: 0.334930 -> 0.311084: 1.08x faster
+Significant (t=26.71)
+Stddev: 0.00033 -> 0.00344: 10.3547x larger
+
+### chaos ###
+Min: 0.357991 -> 0.367225: 1.03x slower
+Avg: 0.358698 -> 0.368433: 1.03x slower
+Significant (t=-20.49)
+Stddev: 0.00075 -> 0.00075: 1.0029x larger
+
+### django_v2 ###
+Min: 0.823132 -> 0.856096: 1.04x slower
+Avg: 0.827136 -> 0.858982: 1.04x slower
+Significant (t=-12.40)
+Stddev: 0.00480 -> 0.00316: 1.5191x smaller
+
+### etree_generate ###
+Min: 0.412588 -> 0.434688: 1.05x slower
+Avg: 0.417459 -> 0.438489: 1.05x slower
+Significant (t=-8.26)
+Stddev: 0.00426 -> 0.00377: 1.1308x smaller
+
+### etree_iterparse ###
+Min: 0.628299 -> 0.661535: 1.05x slower
+Avg: 0.636268 -> 0.671584: 1.06x slower
+Significant (t=-9.35)
+Stddev: 0.00558 -> 0.00634: 1.1361x larger
+
+### etree_parse ###
+Min: 0.479998 -> 0.499383: 1.04x slower
+Avg: 0.482486 -> 0.502111: 1.04x slower
+Significant (t=-8.99)
+Stddev: 0.00308 -> 0.00379: 1.2286x larger
+
+### etree_process ###
+Min: 0.319385 -> 0.333254: 1.04x slower
+Avg: 0.323970 -> 0.338864: 1.05x slower
+Significant (t=-4.65)
+Stddev: 0.00402 -> 0.00593: 1.4737x larger
+
+### fannkuch ###
+Min: 1.477698 -> 1.433883: 1.03x faster
+Avg: 1.482909 -> 1.444309: 1.03x faster
+Significant (t=8.76)
+Stddev: 0.00546 -> 0.00820: 1.5020x larger
+
+### formatted_logging ###
+Min: 0.377780 -> 0.394750: 1.04x slower
+Avg: 0.380578 -> 0.396959: 1.04x slower
+Significant (t=-7.74)
+Stddev: 0.00357 -> 0.00311: 1.1458x smaller
+
+### iterative_count ###
+Min: 0.203411 -> 0.196258: 1.04x faster
+Avg: 0.206145 -> 0.201011: 1.03x faster
+Significant (t=3.47)
+Stddev: 0.00181 -> 0.00277: 1.5265x larger
+
+### json_dump_v2 ###
+Min: 3.640910 -> 3.738390: 1.03x slower
+Avg: 3.687295 -> 3.792185: 1.03x slower
+Significant (t=-2.36)
+Stddev: 0.06381 -> 0.07613: 1.1930x larger
+
+### json_load ###
+Min: 0.566924 -> 0.609027: 1.07x slower
+Avg: 0.569237 -> 0.615741: 1.08x slower
+Significant (t=-22.51)
+Stddev: 0.00236 -> 0.00397: 1.6854x larger
+
+### nbody ###
+Min: 0.342679 -> 0.332214: 1.03x faster
+Avg: 0.345815 -> 0.333229: 1.04x faster
+Significant (t=14.46)
+Stddev: 0.00178 -> 0.00080: 2.2273x smaller
+
+### normal_startup ###
+Min: 0.555283 -> 0.569358: 1.03x slower
+Avg: 0.560867 -> 0.580670: 1.04x slower
+Significant (t=-2.89)
+Stddev: 0.00334 -> 0.01494: 4.4747x larger
+
+### nqueens ###
+Min: 0.312308 -> 0.325520: 1.04x slower
+Avg: 0.313814 -> 0.326466: 1.04x slower
+Significant (t=-23.27)
+Stddev: 0.00106 -> 0.00060: 1.7779x smaller
+
+### pathlib ###
+Min: 0.121294 -> 0.125272: 1.03x slower
+Avg: 0.122246 -> 0.126128: 1.03x slower
+Significant (t=-27.20)
+Stddev: 0.00053 -> 0.00048: 1.0884x smaller
+
+### raytrace ###
+Min: 1.600438 -> 1.826914: 1.14x slower
+Avg: 1.614453 -> 1.831301: 1.13x slower
+Significant (t=-42.61)
+Stddev: 0.01058 -> 0.00420: 2.5151x smaller
+
+### regex_compile ###
+Min: 0.483441 -> 0.506853: 1.05x slower
+Avg: 0.485094 -> 0.509189: 1.05x slower
+Significant (t=-19.34)
+Stddev: 0.00193 -> 0.00201: 1.0392x larger
+
+### richards ###
+Min: 0.250474 -> 0.241171: 1.04x faster
+Avg: 0.252653 -> 0.242136: 1.04x faster
+Significant (t=13.87)
+Stddev: 0.00156 -> 0.00068: 2.3021x smaller
+
+### simple_logging ###
+Min: 0.361158 -> 0.377353: 1.04x slower
+Avg: 0.363418 -> 0.378621: 1.04x slower
+Significant (t=-16.86)
+Stddev: 0.00148 -> 0.00136: 1.0882x smaller
+
+### spectral_norm ###
+Min: 0.415080 -> 0.458230: 1.10x slower
+Avg: 0.417200 -> 0.459105: 1.10x slower
+Significant (t=-43.63)
+Stddev: 0.00207 -> 0.00057: 3.6498x smaller
+
+### tornado_http ###
+Min: 0.342839 -> 0.351473: 1.03x slower
+Avg: 0.347535 -> 0.355874: 1.02x slower
+Significant (t=-3.52)
+Stddev: 0.00555 -> 0.00505: 1.0999x smaller
+
+The following not significant results are hidden, use -v to show them:
+call_method_slots, fastpickle, fastunpickle, float, go, json_dump, mako, mako_v2, meteor_contest, pickle_dict, pickle_list, pidigits, regex_effbot, regex_v8, silent_logging, startup_nosite, telco, threaded_count, unpack_sequence, unpickle_list.

File linux_athlonX2-2/benchmark_x64_ss07.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running tornado_http...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.656041 -> 0.692043: 1.05x slower
+
+### call_method ###
+Min: 0.447705 -> 0.484134: 1.08x slower
+Avg: 0.447812 -> 0.485607: 1.08x slower
+Significant (t=-94.88)
+Stddev: 0.00019 -> 0.00153: 7.8806x larger
+
+### call_method_slots ###
+Min: 0.437145 -> 0.487213: 1.11x slower
+Avg: 0.437161 -> 0.487876: 1.12x slower
+Significant (t=-329.25)
+Stddev: 0.00001 -> 0.00060: 46.8394x larger
+
+### call_method_unknown ###
+Min: 0.447723 -> 0.472606: 1.06x slower
+Avg: 0.449571 -> 0.487373: 1.08x slower
+Significant (t=-18.65)
+Stddev: 0.00159 -> 0.00769: 4.8272x larger
+
+### call_simple ###
+Min: 0.350519 -> 0.312155: 1.12x faster
+Avg: 0.350559 -> 0.312388: 1.12x faster
+Significant (t=744.44)
+Stddev: 0.00005 -> 0.00019: 3.5086x larger
+
+### chaos ###
+Min: 0.359596 -> 0.397956: 1.11x slower
+Avg: 0.359914 -> 0.399095: 1.11x slower
+Significant (t=-66.08)
+Stddev: 0.00036 -> 0.00128: 3.5193x larger
+
+### django_v2 ###
+Min: 0.812772 -> 0.835226: 1.03x slower
+Avg: 0.815358 -> 0.839372: 1.03x slower
+Significant (t=-14.87)
+Stddev: 0.00174 -> 0.00316: 1.8185x larger
+
+### etree_generate ###
+Min: 0.402656 -> 0.428539: 1.06x slower
+Avg: 0.407909 -> 0.431293: 1.06x slower
+Significant (t=-9.44)
+Stddev: 0.00421 -> 0.00360: 1.1680x smaller
+
+### etree_iterparse ###
+Min: 0.668992 -> 0.650654: 1.03x faster
+Avg: 0.675091 -> 0.659975: 1.02x faster
+Significant (t=4.68)
+Stddev: 0.00428 -> 0.00581: 1.3578x larger
+
+### etree_process ###
+Min: 0.315093 -> 0.333427: 1.06x slower
+Avg: 0.317519 -> 0.336602: 1.06x slower
+Significant (t=-8.87)
+Stddev: 0.00268 -> 0.00399: 1.4900x larger
+
+### fannkuch ###
+Min: 1.474335 -> 1.435495: 1.03x faster
+Avg: 1.477411 -> 1.439788: 1.03x faster
+Significant (t=15.20)
+Stddev: 0.00336 -> 0.00440: 1.3111x larger
+
+### fastunpickle ###
+Min: 0.723662 -> 0.747689: 1.03x slower
+Avg: 0.727428 -> 0.750499: 1.03x slower
+Significant (t=-11.91)
+Stddev: 0.00311 -> 0.00301: 1.0316x smaller
+
+### float ###
+Min: 0.391767 -> 0.492921: 1.26x slower
+Avg: 0.396912 -> 0.497642: 1.25x slower
+Significant (t=-32.58)
+Stddev: 0.00563 -> 0.00401: 1.4067x smaller
+
+### formatted_logging ###
+Min: 0.382426 -> 0.396458: 1.04x slower
+Avg: 0.386335 -> 0.399534: 1.03x slower
+Significant (t=-6.14)
+Stddev: 0.00307 -> 0.00370: 1.2070x larger
+
+### iterative_count ###
+Min: 0.202221 -> 0.195679: 1.03x faster
+Avg: 0.203815 -> 0.199013: 1.02x faster
+Significant (t=3.38)
+Stddev: 0.00132 -> 0.00289: 2.1860x larger
+
+### json_dump_v2 ###
+Min: 3.581153 -> 3.843814: 1.07x slower
+Avg: 3.609773 -> 3.900080: 1.08x slower
+Significant (t=-8.35)
+Stddev: 0.04469 -> 0.06367: 1.4245x larger
+
+### mako ###
+Min: 0.060175 -> 0.062168: 1.03x slower
+Avg: 0.061276 -> 0.063569: 1.04x slower
+Significant (t=-12.32)
+Stddev: 0.00056 -> 0.00074: 1.3238x larger
+
+### mako_v2 ###
+Min: 0.051116 -> 0.055330: 1.08x slower
+Avg: 0.051903 -> 0.056534: 1.09x slower
+Significant (t=-35.75)
+Stddev: 0.00045 -> 0.00080: 1.7924x larger
+
+### meteor_contest ###
+Min: 0.254597 -> 0.267729: 1.05x slower
+Avg: 0.255453 -> 0.268627: 1.05x slower
+Significant (t=-26.02)
+Stddev: 0.00076 -> 0.00084: 1.1140x larger
+
+### nbody ###
+Min: 0.349260 -> 0.338507: 1.03x faster
+Avg: 0.352812 -> 0.344059: 1.03x faster
+Significant (t=3.37)
+Stddev: 0.00316 -> 0.00486: 1.5398x larger
+
+### normal_startup ###
+Min: 0.551976 -> 0.561950: 1.02x slower
+Avg: 0.554271 -> 0.591860: 1.07x slower
+Significant (t=-3.17)
+Stddev: 0.00379 -> 0.02621: 6.9073x larger
+
+### nqueens ###
+Min: 0.315805 -> 0.331989: 1.05x slower
+Avg: 0.316184 -> 0.332782: 1.05x slower
+Significant (t=-53.28)
+Stddev: 0.00023 -> 0.00066: 2.9102x larger
+
+### raytrace ###
+Min: 1.637615 -> 2.072633: 1.27x slower
+Avg: 1.638693 -> 2.076908: 1.27x slower
+Significant (t=-284.56)
+Stddev: 0.00133 -> 0.00317: 2.3804x larger
+
+### regex_compile ###
+Min: 0.480092 -> 0.508625: 1.06x slower
+Avg: 0.481098 -> 0.509801: 1.06x slower
+Significant (t=-44.83)
+Stddev: 0.00093 -> 0.00109: 1.1732x larger
+
+### richards ###
+Min: 0.242326 -> 0.256718: 1.06x slower
+Avg: 0.242886 -> 0.258306: 1.06x slower
+Significant (t=-20.93)
+Stddev: 0.00051 -> 0.00157: 3.0806x larger
+
+### simple_logging ###
+Min: 0.376698 -> 0.394420: 1.05x slower
+Avg: 0.377686 -> 0.398414: 1.05x slower
+Significant (t=-13.02)
+Stddev: 0.00095 -> 0.00343: 3.6233x larger
+
+### tornado_http ###
+Min: 0.338864 -> 0.352038: 1.04x slower
+Avg: 0.344160 -> 0.356363: 1.04x slower
+Significant (t=-5.42)
+Stddev: 0.00507 -> 0.00501: 1.0111x smaller
+
+### unpack_sequence ###
+Min: 0.000063 -> 0.000064: 1.01x slower
+Avg: 0.000064 -> 0.000067: 1.04x slower
+Significant (t=-122.28)
+Stddev: 0.00000 -> 0.00000: 2.6287x larger
+
+The following not significant results are hidden, use -v to show them:
+etree_parse, fastpickle, go, json_dump, json_load, pathlib, pickle_dict, pickle_list, pidigits, regex_effbot, regex_v8, silent_logging, spectral_norm, startup_nosite, telco, threaded_count, unpickle_list.

File linux_athlonX2-2/benchmark_x64_sso7.csv

+Benchmark,Base,Changed
+2to3,0.656041,0.692043
+call_method,0.447705,0.484134
+call_method_slots,0.437145,0.487213
+call_method_unknown,0.447723,0.472606
+call_simple,0.350519,0.312155
+chaos,0.359596,0.397956
+django_v2,0.812772,0.835226
+etree_generate,0.402656,0.428539
+etree_iterparse,0.668992,0.650654
+etree_parse,0.467887,0.469613
+etree_process,0.315093,0.333427
+fannkuch,1.474335,1.435495
+fastpickle,0.545153,0.536801
+fastunpickle,0.723662,0.747689
+float,0.391767,0.492921
+formatted_logging,0.382426,0.396458
+go,0.740324,0.733000
+iterative_count,0.202221,0.195679
+json_dump,0.614811,0.609623
+json_dump_v2,3.581153,3.843814
+json_load,0.599233,0.612261
+mako,0.060175,0.062168
+mako_v2,0.051116,0.055330
+meteor_contest,0.254597,0.267729
+nbody,0.349260,0.338507
+normal_startup,0.551976,0.561950
+nqueens,0.315805,0.331989
+pathlib,0.122081,0.122488
+pickle_dict,0.559999,0.540559
+pickle_list,0.308273,0.312785
+pidigits,0.385072,0.382668
+raytrace,1.637615,2.072633
+regex_compile,0.480092,0.508625
+regex_effbot,0.078744,0.079258
+regex_v8,0.058383,0.059995
+richards,0.242326,0.256718
+silent_logging,0.112254,0.108420
+simple_logging,0.376698,0.394420
+spectral_norm,0.440247,0.439897
+startup_nosite,0.358653,0.344450
+telco,0.010000,0.010000
+threaded_count,0.209263,0.220179
+tornado_http,0.338864,0.352038
+unpack_sequence,0.000063,0.000064
+unpickle_list,0.398658,0.404310

File linux_athlonX2-2/benchmark_x86.csv

+Benchmark,Base,Changed
+2to3,0.656041,0.668042
+call_method,0.480268,0.480993
+call_method_slots,0.481011,0.479851
+call_method_unknown,0.502473,0.502148
+call_simple,0.353835,0.357234
+chaos,0.395668,0.392210
+django_v2,0.819711,0.824915
+etree_generate,0.405567,0.414735
+etree_iterparse,0.670602,0.649303
+etree_parse,0.511285,0.576051
+etree_process,0.326617,0.330835
+fannkuch,1.593703,1.578425
+fastpickle,0.636175,0.635099
+fastunpickle,0.782065,0.874437
+float,0.419590,0.447601
+formatted_logging,0.368887,0.385675
+go,0.785036,0.777109
+iterative_count,0.218528,0.218821
+json_dump,0.690281,0.694259
+json_dump_v2,3.893664,3.957438
+json_load,0.597144,0.724416
+mako,0.062978,0.068117
+mako_v2,0.052609,0.054266
+meteor_contest,0.260920,0.266782
+nbody,0.380279,0.370536
+normal_startup,0.478223,0.479940
+nqueens,0.349811,0.338597
+pathlib,0.117305,0.120670
+pickle_dict,0.697565,0.700546
+pickle_list,0.383254,0.388620
+pidigits,0.739719,0.719811
+raytrace,1.772347,1.847251
+regex_compile,0.515361,0.513111
+regex_effbot,0.093344,0.079635
+regex_v8,0.063064,0.062874
+richards,0.279246,0.254964
+silent_logging,0.120302,0.122555
+simple_logging,0.353024,0.359151
+spectral_norm,0.493550,0.484782
+startup_nosite,0.311797,0.353818
+telco,0.000000,0.000000
+threaded_count,0.270930,0.270276
+unpack_sequence,0.000067,0.000067
+unpickle_list,0.477436,0.472911

File linux_athlonX2-2/benchmark_x86.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.656041 -> 0.668042: 1.02x slower
+
+### etree_generate ###
+Min: 0.405567 -> 0.414735: 1.02x slower
+Avg: 0.408434 -> 0.417754: 1.02x slower
+Significant (t=-4.17)
+Stddev: 0.00308 -> 0.00394: 1.2766x larger
+
+### etree_iterparse ###
+Min: 0.670602 -> 0.649303: 1.03x faster
+Avg: 0.673545 -> 0.655547: 1.03x faster
+Significant (t=9.95)
+Stddev: 0.00197 -> 0.00353: 1.7964x larger
+
+### etree_parse ###
+Min: 0.511285 -> 0.576051: 1.13x slower
+Avg: 0.514765 -> 0.579560: 1.13x slower
+Significant (t=-29.55)
+Stddev: 0.00298 -> 0.00389: 1.3060x larger
+
+### fastunpickle ###
+Min: 0.782065 -> 0.874437: 1.12x slower
+Avg: 0.783986 -> 0.876221: 1.12x slower
+Significant (t=-68.31)
+Stddev: 0.00227 -> 0.00199: 1.1363x smaller
+
+### float ###
+Min: 0.419590 -> 0.447601: 1.07x slower
+Avg: 0.425316 -> 0.450459: 1.06x slower
+Significant (t=-9.28)
+Stddev: 0.00491 -> 0.00355: 1.3848x smaller
+
+### formatted_logging ###
+Min: 0.368887 -> 0.385675: 1.05x slower
+Avg: 0.370458 -> 0.387488: 1.05x slower
+Significant (t=-10.66)
+Stddev: 0.00216 -> 0.00284: 1.3157x larger
+
+### json_load ###
+Min: 0.597144 -> 0.724416: 1.21x slower
+Avg: 0.600131 -> 0.725364: 1.21x slower
+Significant (t=-74.40)
+Stddev: 0.00371 -> 0.00061: 6.1256x smaller
+
+### mako ###
+Min: 0.062978 -> 0.068117: 1.08x slower
+Avg: 0.064613 -> 0.069256: 1.07x slower
+Significant (t=-20.30)
+Stddev: 0.00106 -> 0.00042: 2.5108x smaller
+
+### mako_v2 ###
+Min: 0.052609 -> 0.054266: 1.03x slower
+Avg: 0.053461 -> 0.054974: 1.03x slower
+Significant (t=-13.69)
+Stddev: 0.00049 -> 0.00061: 1.2397x larger
+
+### meteor_contest ###
+Min: 0.260920 -> 0.266782: 1.02x slower
+Avg: 0.261457 -> 0.267564: 1.02x slower
+Significant (t=-17.98)
+Stddev: 0.00047 -> 0.00060: 1.2837x larger
+
+### nbody ###
+Min: 0.380279 -> 0.370536: 1.03x faster
+Avg: 0.380489 -> 0.371158: 1.03x faster
+Significant (t=28.22)
+Stddev: 0.00025 -> 0.00070: 2.8314x larger
+
+### nqueens ###
+Min: 0.349811 -> 0.338597: 1.03x faster
+Avg: 0.350512 -> 0.340035: 1.03x faster
+Significant (t=14.68)
+Stddev: 0.00047 -> 0.00153: 3.2754x larger
+
+### pathlib ###
+Min: 0.117305 -> 0.120670: 1.03x slower
+Avg: 0.118363 -> 0.121339: 1.03x slower
+Significant (t=-17.98)
+Stddev: 0.00068 -> 0.00047: 1.4337x smaller
+
+### pidigits ###
+Min: 0.739719 -> 0.719811: 1.03x faster
+Avg: 0.740851 -> 0.720029: 1.03x faster
+Significant (t=34.09)
+Stddev: 0.00135 -> 0.00020: 6.6614x smaller
+
+### raytrace ###
+Min: 1.772347 -> 1.847251: 1.04x slower
+Avg: 1.775744 -> 1.850844: 1.04x slower
+Significant (t=-46.14)
+Stddev: 0.00233 -> 0.00280: 1.2041x larger
+
+### regex_effbot ###
+Min: 0.093344 -> 0.079635: 1.17x faster
+Avg: 0.093974 -> 0.080059: 1.17x faster
+Significant (t=26.39)
+Stddev: 0.00114 -> 0.00032: 3.5755x smaller
+
+### richards ###
+Min: 0.279246 -> 0.254964: 1.10x faster
+Avg: 0.280352 -> 0.255422: 1.10x faster
+Significant (t=60.47)
+Stddev: 0.00081 -> 0.00044: 1.8564x smaller
+
+### silent_logging ###
+Min: 0.120302 -> 0.122555: 1.02x slower
+Avg: 0.120664 -> 0.123762: 1.03x slower
+Significant (t=-7.27)
+Stddev: 0.00028 -> 0.00091: 3.2583x larger
+
+### simple_logging ###
+Min: 0.353024 -> 0.359151: 1.02x slower
+Avg: 0.353474 -> 0.361375: 1.02x slower
+Significant (t=-8.77)
+Stddev: 0.00044 -> 0.00197: 4.4927x larger
+
+### startup_nosite ###
+Min: 0.311797 -> 0.353818: 1.13x slower
+Avg: 0.313859 -> 0.360324: 1.15x slower
+Significant (t=-22.47)
+Stddev: 0.00305 -> 0.00578: 1.8968x larger
+
+The following not significant results are hidden, use -v to show them:
+call_method, call_method_slots, call_method_unknown, call_simple, chaos, django_v2, etree_process, fannkuch, fastpickle, go, iterative_count, json_dump, json_dump_v2, normal_startup, pickle_dict, pickle_list, regex_compile, regex_v8, spectral_norm, telco, threaded_count, unpack_sequence, unpickle_list.

File linux_athlonX2-2/benchmark_x86_sso6.csv

+Benchmark,Base,Changed
+2to3,0.664042,0.652041
+call_method,0.478306,0.489256
+call_method_slots,0.477145,0.479781
+call_method_unknown,0.488247,0.488259
+call_simple,0.357453,0.345783
+chaos,0.399273,0.426506
+django_v2,0.820419,0.809741
+etree_generate,0.408176,0.403508
+etree_iterparse,0.665916,0.661784
+etree_parse,0.495201,0.551744
+etree_process,0.329757,0.323042
+fannkuch,1.582225,1.621862
+fastpickle,0.633742,0.633359
+fastunpickle,0.793538,0.868104
+float,0.416503,0.502114
+formatted_logging,0.379143,0.380219
+go,0.825686,0.778873
+iterative_count,0.217059,0.222770
+json_dump,0.694015,0.694005
+json_dump_v2,3.974001,3.963106
+json_load,0.602790,0.694084
+mako,0.061346,0.063266
+mako_v2,0.054240,0.055785
+meteor_contest,0.262000,0.268060
+nbody,0.375517,0.399070
+normal_startup,0.479349,0.479947
+nqueens,0.343868,0.348067
+pathlib,0.120542,0.115976
+pickle_dict,0.688385,0.687690
+pickle_list,0.377777,0.384681
+pidigits,0.728381,0.719980
+raytrace,1.804022,2.046952
+regex_compile,0.511648,0.512244
+regex_effbot,0.090734,0.080005
+regex_v8,0.063215,0.062008
+richards,0.264826,0.253428
+silent_logging,0.115375,0.123490
+simple_logging,0.350934,0.363818
+spectral_norm,0.483988,0.532066
+startup_nosite,0.304746,0.359526
+telco,0.000000,0.000000
+threaded_count,0.266011,0.269976
+unpack_sequence,0.000067,0.000068
+unpickle_list,0.474530,0.474217

File linux_athlonX2-2/benchmark_x86_sso6.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.664042 -> 0.652041: 1.02x faster
+
+### call_method ###
+Min: 0.478306 -> 0.489256: 1.02x slower
+Avg: 0.478636 -> 0.493918: 1.03x slower
+Significant (t=-10.02)
+Stddev: 0.00027 -> 0.00590: 21.8048x larger
+
+### call_simple ###
+Min: 0.357453 -> 0.345783: 1.03x faster
+Avg: 0.357580 -> 0.347039: 1.03x faster
+Significant (t=46.88)
+Stddev: 0.00042 -> 0.00076: 1.8207x larger
+
+### chaos ###
+Min: 0.399273 -> 0.426506: 1.07x slower
+Avg: 0.399789 -> 0.427680: 1.07x slower
+Significant (t=-58.29)
+Stddev: 0.00050 -> 0.00095: 1.9124x larger
+
+### etree_parse ###
+Min: 0.495201 -> 0.551744: 1.11x slower
+Avg: 0.497712 -> 0.554431: 1.11x slower
+Significant (t=-36.33)
+Stddev: 0.00249 -> 0.00244: 1.0210x smaller
+
+### fannkuch ###
+Min: 1.582225 -> 1.621862: 1.03x slower
+Avg: 1.589234 -> 1.627628: 1.02x slower
+Significant (t=-11.56)
+Stddev: 0.00613 -> 0.00419: 1.4619x smaller
+
+### fastunpickle ###
+Min: 0.793538 -> 0.868104: 1.09x slower
+Avg: 0.795858 -> 0.870035: 1.09x slower
+Significant (t=-79.11)
+Stddev: 0.00156 -> 0.00140: 1.1209x smaller
+
+### float ###
+Min: 0.416503 -> 0.502114: 1.21x slower
+Avg: 0.422539 -> 0.509962: 1.21x slower
+Significant (t=-23.35)
+Stddev: 0.00611 -> 0.00573: 1.0663x smaller
+
+### go ###
+Min: 0.825686 -> 0.778873: 1.06x faster
+Avg: 0.827680 -> 0.781635: 1.06x faster
+Significant (t=31.64)
+Stddev: 0.00236 -> 0.00224: 1.0566x smaller
+
+### iterative_count ###
+Min: 0.217059 -> 0.222770: 1.03x slower
+Avg: 0.217232 -> 0.224330: 1.03x slower
+Significant (t=-16.92)
+Stddev: 0.00014 -> 0.00093: 6.3965x larger
+
+### json_load ###
+Min: 0.602790 -> 0.694084: 1.15x slower
+Avg: 0.604986 -> 0.695657: 1.15x slower
+Significant (t=-75.02)
+Stddev: 0.00225 -> 0.00149: 1.5137x smaller
+
+### mako_v2 ###
+Min: 0.054240 -> 0.055785: 1.03x slower
+Avg: 0.055126 -> 0.056671: 1.03x slower
+Significant (t=-12.11)
+Stddev: 0.00080 -> 0.00042: 1.8809x smaller
+
+### meteor_contest ###
+Min: 0.262000 -> 0.268060: 1.02x slower
+Avg: 0.262896 -> 0.268368: 1.02x slower
+Significant (t=-15.42)
+Stddev: 0.00071 -> 0.00035: 2.0688x smaller
+
+### nbody ###
+Min: 0.375517 -> 0.399070: 1.06x slower
+Avg: 0.376343 -> 0.399939: 1.06x slower
+Significant (t=-51.05)
+Stddev: 0.00090 -> 0.00051: 1.7756x smaller
+
+### pathlib ###
+Min: 0.120542 -> 0.115976: 1.04x faster
+Avg: 0.121185 -> 0.116762: 1.04x faster
+Significant (t=32.15)
+Stddev: 0.00038 -> 0.00057: 1.5061x larger
+
+### pickle_list ###
+Min: 0.377777 -> 0.384681: 1.02x slower
+Avg: 0.378945 -> 0.386941: 1.02x slower
+Significant (t=-6.59)
+Stddev: 0.00099 -> 0.00253: 2.5561x larger
+
+### raytrace ###
+Min: 1.804022 -> 2.046952: 1.13x slower
+Avg: 1.806725 -> 2.049464: 1.13x slower
+Significant (t=-152.99)
+Stddev: 0.00315 -> 0.00162: 1.9430x smaller
+
+### regex_effbot ###
+Min: 0.090734 -> 0.080005: 1.13x faster
+Avg: 0.092001 -> 0.080197: 1.15x faster
+Significant (t=19.33)
+Stddev: 0.00133 -> 0.00029: 4.5499x smaller
+
+### richards ###
+Min: 0.264826 -> 0.253428: 1.04x faster
+Avg: 0.266808 -> 0.255333: 1.04x faster
+Significant (t=11.15)
+Stddev: 0.00140 -> 0.00183: 1.3110x larger
+
+### silent_logging ###
+Min: 0.115375 -> 0.123490: 1.07x slower
+Avg: 0.116007 -> 0.124165: 1.07x slower
+Significant (t=-19.71)
+Stddev: 0.00049 -> 0.00078: 1.5874x larger
+
+### simple_logging ###
+Min: 0.350934 -> 0.363818: 1.04x slower
+Avg: 0.353033 -> 0.364501: 1.03x slower
+Significant (t=-13.60)
+Stddev: 0.00172 -> 0.00077: 2.2215x smaller
+
+### spectral_norm ###
+Min: 0.483988 -> 0.532066: 1.10x slower
+Avg: 0.486219 -> 0.533028: 1.10x slower
+Significant (t=-45.22)
+Stddev: 0.00198 -> 0.00120: 1.6471x smaller
+
+### startup_nosite ###
+Min: 0.304746 -> 0.359526: 1.18x slower
+Avg: 0.313785 -> 0.361356: 1.15x slower
+Significant (t=-21.90)
+Stddev: 0.00522 -> 0.00447: 1.1686x smaller
+
+The following not significant results are hidden, use -v to show them:
+call_method_slots, call_method_unknown, django_v2, etree_generate, etree_iterparse, etree_process, fastpickle, formatted_logging, json_dump, json_dump_v2, mako, normal_startup, nqueens, pickle_dict, pidigits, regex_compile, regex_v8, telco, threaded_count, unpack_sequence, unpickle_list.

File linux_athlonX2-2/system

+Dual Core 3.10 GHz
+AMD Athlon(tm) II X2 255 Processor
+
+Linux 3.2.0-54-generic X86_64
+Ubuntu 12.04 64bit
+gcc 4.6.3
+

File linux_athlonX2/benchmark_x64.csv

+Benchmark,Base,Changed
+2to3,0.676042,0.660042
+call_method,0.437875,0.432247
+call_method_slots,0.442780,0.421942
+call_method_unknown,0.449820,0.500432
+call_simple,0.330287,0.320988
+chaos,0.357695,0.382613
+django_v2,0.845741,0.854842
+etree_generate,0.406609,0.422013
+etree_iterparse,0.614263,0.633598
+etree_parse,0.465318,0.503206
+etree_process,0.314859,0.330282
+fannkuch,1.466549,1.466026
+fastpickle,0.544414,0.545584
+fastunpickle,0.730266,0.724785
+float,0.390534,0.398119
+formatted_logging,0.376876,0.392588
+go,0.717876,0.727821
+iterative_count,0.201186,0.199948
+json_dump,0.602667,0.594130
+json_dump_v2,3.546941,3.807433
+json_load,0.582480,0.616477
+mako,0.061187,0.061417
+mako_v2,0.053031,0.055580
+meteor_contest,0.261560,0.261442
+nbody,0.346180,0.337841
+normal_startup,0.718959,0.695804
+nqueens,0.313194,0.324622
+pathlib,0.120584,0.123959
+pickle_dict,0.555006,0.549047
+pickle_list,0.329113,0.325867
+pidigits,0.375947,0.383855
+raytrace,1.617336,1.753720
+regex_compile,0.490336,0.492911
+regex_effbot,0.077135,0.076022
+regex_v8,0.058385,0.058120
+richards,0.239348,0.249165
+silent_logging,0.111327,0.116722
+simple_logging,0.368725,0.375274
+spectral_norm,0.410217,0.457062
+startup_nosite,0.479205,0.455962
+telco,0.010000,0.010000
+threaded_count,0.461271,0.481671
+tornado_http,0.341788,0.353587
+unpack_sequence,0.000063,0.000063
+unpickle_list,0.413656,0.404430

File linux_athlonX2/benchmark_x64.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running tornado_http...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.676042 -> 0.660042: 1.02x faster
+
+### call_method_slots ###
+Min: 0.442780 -> 0.421942: 1.05x faster
+Avg: 0.443051 -> 0.424731: 1.04x faster
+Significant (t=37.98)
+Stddev: 0.00044 -> 0.00182: 4.1450x larger
+
+### call_method_unknown ###
+Min: 0.449820 -> 0.500432: 1.11x slower
+Avg: 0.450058 -> 0.501692: 1.11x slower
+Significant (t=-201.99)
+Stddev: 0.00054 -> 0.00083: 1.5531x larger
+
+### call_simple ###
+Min: 0.330287 -> 0.320988: 1.03x faster
+Avg: 0.330356 -> 0.321084: 1.03x faster
+Significant (t=201.88)
+Stddev: 0.00013 -> 0.00012: 1.0329x smaller
+
+### chaos ###
+Min: 0.357695 -> 0.382613: 1.07x slower
+Avg: 0.358316 -> 0.383254: 1.07x slower
+Significant (t=-46.13)
+Stddev: 0.00103 -> 0.00063: 1.6416x smaller
+
+### etree_generate ###
+Min: 0.406609 -> 0.422013: 1.04x slower
+Avg: 0.410841 -> 0.425935: 1.04x slower
+Significant (t=-6.51)
+Stddev: 0.00408 -> 0.00321: 1.2705x smaller
+
+### etree_iterparse ###
+Min: 0.614263 -> 0.633598: 1.03x slower
+Avg: 0.621942 -> 0.641201: 1.03x slower
+Significant (t=-6.23)
+Stddev: 0.00491 -> 0.00487: 1.0091x smaller
+
+### etree_parse ###
+Min: 0.465318 -> 0.503206: 1.08x slower
+Avg: 0.467894 -> 0.506738: 1.08x slower
+Significant (t=-15.87)
+Stddev: 0.00406 -> 0.00367: 1.1054x smaller
+
+### etree_process ###
+Min: 0.314859 -> 0.330282: 1.05x slower
+Avg: 0.317906 -> 0.333389: 1.05x slower
+Significant (t=-6.87)
+Stddev: 0.00330 -> 0.00381: 1.1555x larger
+
+### formatted_logging ###
+Min: 0.376876 -> 0.392588: 1.04x slower
+Avg: 0.381606 -> 0.396582: 1.04x slower
+Significant (t=-6.75)
+Stddev: 0.00407 -> 0.00284: 1.4297x smaller
+
+### go ###
+Min: 0.717876 -> 0.727821: 1.01x slower
+Avg: 0.719882 -> 0.734940: 1.02x slower
+Significant (t=-4.77)
+Stddev: 0.00250 -> 0.00660: 2.6433x larger
+
+### json_dump_v2 ###
+Min: 3.546941 -> 3.807433: 1.07x slower
+Avg: 3.576361 -> 3.843588: 1.07x slower
+Significant (t=-7.05)
+Stddev: 0.05136 -> 0.06744: 1.3132x larger
+
+### json_load ###
+Min: 0.582480 -> 0.616477: 1.06x slower
+Avg: 0.583317 -> 0.623225: 1.07x slower
+Significant (t=-10.21)
+Stddev: 0.00088 -> 0.00869: 9.8618x larger
+
+### mako_v2 ###
+Min: 0.053031 -> 0.055580: 1.05x slower
+Avg: 0.053704 -> 0.056657: 1.05x slower
+Significant (t=-36.24)
+Stddev: 0.00033 -> 0.00047: 1.4274x larger
+
+### nbody ###
+Min: 0.346180 -> 0.337841: 1.02x faster
+Avg: 0.352154 -> 0.338774: 1.04x faster
+Significant (t=5.19)
+Stddev: 0.00568 -> 0.00096: 5.9363x smaller
+
+### nqueens ###
+Min: 0.313194 -> 0.324622: 1.04x slower
+Avg: 0.314257 -> 0.327216: 1.04x slower
+Significant (t=-9.92)
+Stddev: 0.00102 -> 0.00274: 2.6993x larger
+
+### pathlib ###
+Min: 0.120584 -> 0.123959: 1.03x slower
+Avg: 0.121390 -> 0.124450: 1.03x slower
+Significant (t=-32.92)
+Stddev: 0.00034 -> 0.00032: 1.0553x smaller
+
+### pidigits ###
+Min: 0.375947 -> 0.383855: 1.02x slower
+Avg: 0.376501 -> 0.384571: 1.02x slower
+Significant (t=-17.44)
+Stddev: 0.00057 -> 0.00086: 1.5180x larger
+
+### raytrace ###
+Min: 1.617336 -> 1.753720: 1.08x slower
+Avg: 1.624244 -> 1.759484: 1.08x slower
+Significant (t=-42.31)
+Stddev: 0.00606 -> 0.00379: 1.6015x smaller
+
+### regex_effbot ###
+Min: 0.077135 -> 0.076022: 1.01x faster
+Avg: 0.077992 -> 0.076040: 1.03x faster
+Significant (t=5.44)
+Stddev: 0.00080 -> 0.00002: 52.2114x smaller
+
+### richards ###
+Min: 0.239348 -> 0.249165: 1.04x slower
+Avg: 0.239804 -> 0.250613: 1.05x slower
+Significant (t=-24.69)
+Stddev: 0.00049 -> 0.00085: 1.7348x larger
+
+### silent_logging ###
+Min: 0.111327 -> 0.116722: 1.05x slower
+Avg: 0.112501 -> 0.117466: 1.04x slower
+Significant (t=-10.36)
+Stddev: 0.00069 -> 0.00082: 1.1976x larger
+
+### simple_logging ###
+Min: 0.368725 -> 0.375274: 1.02x slower
+Avg: 0.369679 -> 0.377869: 1.02x slower
+Significant (t=-7.92)
+Stddev: 0.00108 -> 0.00204: 1.8852x larger
+
+### spectral_norm ###
+Min: 0.410217 -> 0.457062: 1.11x slower
+Avg: 0.412048 -> 0.458971: 1.11x slower
+Significant (t=-62.16)
+Stddev: 0.00112 -> 0.00127: 1.1343x larger
+
+### tornado_http ###
+Min: 0.341788 -> 0.353587: 1.03x slower
+Avg: 0.344592 -> 0.357106: 1.04x slower
+Significant (t=-6.11)
+Stddev: 0.00466 -> 0.00450: 1.0365x smaller
+
+### unpack_sequence ###
+Min: 0.000063 -> 0.000063: 1.01x slower
+Avg: 0.000063 -> 0.000066: 1.04x slower
+Significant (t=-134.76)
+Stddev: 0.00000 -> 0.00000: 2.0938x larger
+
+### unpickle_list ###
+Min: 0.413656 -> 0.404430: 1.02x faster
+Avg: 0.415404 -> 0.405669: 1.02x faster
+Significant (t=15.53)
+Stddev: 0.00108 -> 0.00089: 1.2087x smaller
+
+The following not significant results are hidden, use -v to show them:
+call_method, django_v2, fannkuch, fastpickle, fastunpickle, float, iterative_count, json_dump, mako, meteor_contest, normal_startup, pickle_dict, pickle_list, regex_compile, regex_v8, startup_nosite, telco, threaded_count.

File linux_athlonX2/benchmark_x64_ss07.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running tornado_http...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.684043 -> 0.700043: 1.02x slower
+
+### call_method ###
+Min: 0.437201 -> 0.486518: 1.11x slower
+Avg: 0.438989 -> 0.487897: 1.11x slower
+Significant (t=-32.86)
+Stddev: 0.00562 -> 0.00129: 4.3725x smaller
+
+### call_method_slots ###
+Min: 0.460295 -> 0.483795: 1.05x slower
+Avg: 0.460856 -> 0.485885: 1.05x slower
+Significant (t=-65.10)
+Stddev: 0.00054 -> 0.00139: 2.5480x larger
+
+### call_method_unknown ###
+Min: 0.446318 -> 0.463777: 1.04x slower
+Avg: 0.446408 -> 0.465461: 1.04x slower
+Significant (t=-39.57)
+Stddev: 0.00014 -> 0.00186: 13.6904x larger
+
+### call_simple ###
+Min: 0.337324 -> 0.309540: 1.09x faster
+Avg: 0.337418 -> 0.311595: 1.08x faster
+Significant (t=66.37)
+Stddev: 0.00009 -> 0.00150: 16.3678x larger
+
+### chaos ###
+Min: 0.363666 -> 0.408366: 1.12x slower
+Avg: 0.365302 -> 0.409594: 1.12x slower
+Significant (t=-36.57)
+Stddev: 0.00259 -> 0.00080: 3.2452x smaller
+
+### django_v2 ###
+Min: 0.809527 -> 0.827485: 1.02x slower
+Avg: 0.812212 -> 0.828646: 1.02x slower
+Significant (t=-14.02)
+Stddev: 0.00245 -> 0.00092: 2.6652x smaller
+
+### etree_generate ###
+Min: 0.406665 -> 0.425657: 1.05x slower
+Avg: 0.411786 -> 0.429197: 1.04x slower
+Significant (t=-6.17)
+Stddev: 0.00521 -> 0.00357: 1.4565x smaller
+
+### etree_iterparse ###
+Min: 0.620902 -> 0.657612: 1.06x slower
+Avg: 0.627858 -> 0.666876: 1.06x slower
+Significant (t=-11.12)
+Stddev: 0.00497 -> 0.00607: 1.2220x larger
+
+### etree_process ###
+Min: 0.314464 -> 0.337325: 1.07x slower
+Avg: 0.318852 -> 0.340515: 1.07x slower
+Significant (t=-9.09)
+Stddev: 0.00337 -> 0.00413: 1.2253x larger
+
+### fannkuch ###
+Min: 1.470951 -> 1.411771: 1.04x faster
+Avg: 1.476374 -> 1.415846: 1.04x faster
+Significant (t=21.48)
+Stddev: 0.00492 -> 0.00394: 1.2497x smaller
+
+### float ###
+Min: 0.394521 -> 0.482480: 1.22x slower
+Avg: 0.400926 -> 0.489857: 1.22x slower
+Significant (t=-21.55)
+Stddev: 0.00654 -> 0.00651: 1.0056x smaller
+
+### formatted_logging ###
+Min: 0.380949 -> 0.405732: 1.07x slower
+Avg: 0.384278 -> 0.408020: 1.06x slower
+Significant (t=-14.30)
+Stddev: 0.00300 -> 0.00219: 1.3677x smaller
+
+### go ###
+Min: 0.705233 -> 0.762303: 1.08x slower
+Avg: 0.707605 -> 0.768158: 1.09x slower
+Significant (t=-31.45)
+Stddev: 0.00246 -> 0.00353: 1.4332x larger
+
+### json_dump_v2 ###
+Min: 3.599316 -> 3.782498: 1.05x slower
+Avg: 3.630504 -> 3.815111: 1.05x slower
+Significant (t=-4.76)
+Stddev: 0.05765 -> 0.06490: 1.1257x larger
+
+### json_load ###
+Min: 0.578913 -> 0.600114: 1.04x slower
+Avg: 0.580303 -> 0.604874: 1.04x slower
+Significant (t=-14.15)
+Stddev: 0.00090 -> 0.00378: 4.1789x larger
+
+### mako ###
+Min: 0.059546 -> 0.061776: 1.04x slower
+Avg: 0.060874 -> 0.063055: 1.04x slower
+Significant (t=-11.08)
+Stddev: 0.00068 -> 0.00071: 1.0439x larger
+
+### mako_v2 ###
+Min: 0.051867 -> 0.055648: 1.07x slower
+Avg: 0.052751 -> 0.056662: 1.07x slower
+Significant (t=-30.48)
+Stddev: 0.00046 -> 0.00078: 1.7124x larger
+
+### meteor_contest ###
+Min: 0.254090 -> 0.261506: 1.03x slower
+Avg: 0.254376 -> 0.261957: 1.03x slower
+Significant (t=-27.49)
+Stddev: 0.00024 -> 0.00057: 2.3129x larger
+
+### nqueens ###
+Min: 0.317258 -> 0.323097: 1.02x slower
+Avg: 0.318534 -> 0.325188: 1.02x slower
+Significant (t=-7.27)
+Stddev: 0.00150 -> 0.00139: 1.0772x smaller
+
+### pathlib ###
+Min: 0.119555 -> 0.123704: 1.03x slower
+Avg: 0.120209 -> 0.124385: 1.03x slower
+Significant (t=-27.57)
+Stddev: 0.00065 -> 0.00039: 1.6583x smaller
+
+### pickle_list ###
+Min: 0.322014 -> 0.315048: 1.02x faster
+Avg: 0.322693 -> 0.315732: 1.02x faster
+Significant (t=20.48)
+Stddev: 0.00046 -> 0.00061: 1.3344x larger
+
+### raytrace ###
+Min: 1.735895 -> 2.079125: 1.20x slower
+Avg: 1.741947 -> 2.082182: 1.20x slower
+Significant (t=-134.97)
+Stddev: 0.00446 -> 0.00344: 1.2975x smaller
+
+### regex_compile ###
+Min: 0.481894 -> 0.502015: 1.04x slower
+Avg: 0.483873 -> 0.504950: 1.04x slower
+Significant (t=-16.20)
+Stddev: 0.00154 -> 0.00247: 1.6092x larger
+
+### richards ###
+Min: 0.239918 -> 0.246638: 1.03x slower
+Avg: 0.240871 -> 0.248262: 1.03x slower
+Significant (t=-8.24)
+Stddev: 0.00089 -> 0.00180: 2.0234x larger
+
+### silent_logging ###
+Min: 0.108627 -> 0.111940: 1.03x slower
+Avg: 0.109507 -> 0.112951: 1.03x slower
+Significant (t=-7.80)
+Stddev: 0.00072 -> 0.00067: 1.0695x smaller
+
+### spectral_norm ###
+Min: 0.414557 -> 0.434633: 1.05x slower
+Avg: 0.416385 -> 0.436318: 1.05x slower
+Significant (t=-23.38)
+Stddev: 0.00160 -> 0.00103: 1.5503x smaller
+
+### tornado_http ###
+Min: 0.341679 -> 0.351855: 1.03x slower
+Avg: 0.345034 -> 0.355858: 1.03x slower
+Significant (t=-4.74)
+Stddev: 0.00491 -> 0.00530: 1.0782x larger
+
+### unpack_sequence ###
+Min: 0.000062 -> 0.000063: 1.00x slower
+Avg: 0.000063 -> 0.000065: 1.03x slower
+Significant (t=-79.31)
+Stddev: 0.00000 -> 0.00000: 2.1354x larger
+
+The following not significant results are hidden, use -v to show them:
+etree_parse, fastpickle, fastunpickle, iterative_count, json_dump, nbody, normal_startup, pickle_dict, pidigits, regex_effbot, regex_v8, simple_logging, startup_nosite, telco, threaded_count, unpickle_list.

File linux_athlonX2/benchmark_x64_sso7.csv

+Benchmark,Base,Changed
+2to3,0.684043,0.700043
+call_method,0.437201,0.486518
+call_method_slots,0.460295,0.483795
+call_method_unknown,0.446318,0.463777
+call_simple,0.337324,0.309540
+chaos,0.363666,0.408366
+django_v2,0.809527,0.827485
+etree_generate,0.406665,0.425657
+etree_iterparse,0.620902,0.657612
+etree_parse,0.482081,0.482841
+etree_process,0.314464,0.337325
+fannkuch,1.470951,1.411771
+fastpickle,0.542964,0.552130
+fastunpickle,0.730505,0.734267
+float,0.394521,0.482480
+formatted_logging,0.380949,0.405732
+go,0.705233,0.762303
+iterative_count,0.198302,0.201282
+json_dump,0.599696,0.600010
+json_dump_v2,3.599316,3.782498
+json_load,0.578913,0.600114
+mako,0.059546,0.061776
+mako_v2,0.051867,0.055648
+meteor_contest,0.254090,0.261506
+nbody,0.349805,0.344690
+normal_startup,0.706760,0.695923
+nqueens,0.317258,0.323097
+pathlib,0.119555,0.123704
+pickle_dict,0.556080,0.550725
+pickle_list,0.322014,0.315048
+pidigits,0.376521,0.380566
+raytrace,1.735895,2.079125
+regex_compile,0.481894,0.502015
+regex_effbot,0.076726,0.077577
+regex_v8,0.058671,0.060078
+richards,0.239918,0.246638
+silent_logging,0.108627,0.111940
+simple_logging,0.378370,0.379772
+spectral_norm,0.414557,0.434633
+startup_nosite,0.455705,0.467965
+telco,0.010000,0.010000
+threaded_count,0.473781,0.471109
+tornado_http,0.341679,0.351855
+unpack_sequence,0.000062,0.000063
+unpickle_list,0.404933,0.403439

File linux_athlonX2/benchmark_x86.csv

+Benchmark,Base,Changed
+2to3,0.644040,0.676042
+call_method,0.476200,0.480507
+call_method_slots,0.487914,0.484868
+call_method_unknown,0.495662,0.501797
+call_simple,0.355874,0.352873
+chaos,0.391624,0.382065
+django_v2,0.815984,0.836586
+etree_generate,0.419043,0.410289
+etree_iterparse,0.662638,0.679655
+etree_parse,0.512283,0.565828
+etree_process,0.329579,0.323541
+fannkuch,1.594887,1.592551
+fastpickle,0.642362,0.639984
+fastunpickle,0.765248,0.918891
+float,0.421450,0.434114
+formatted_logging,0.371276,0.387269
+go,0.827791,0.814674
+iterative_count,0.218601,0.218891
+json_dump,0.684930,0.697820
+json_dump_v2,3.925692,4.000889
+json_load,0.597499,0.706138
+mako,0.061023,0.065312
+mako_v2,0.052033,0.054366
+meteor_contest,0.269159,0.274779
+nbody,0.377539,0.374923
+normal_startup,0.636871,0.696089
+nqueens,0.346836,0.342310
+pathlib,0.120907,0.118827
+pickle_dict,0.686284,0.692052
+pickle_list,0.385770,0.387597
+pidigits,0.723949,0.719416
+raytrace,1.791310,1.799746
+regex_compile,0.510333,0.518053
+regex_effbot,0.092203,0.077514
+regex_v8,0.061641,0.063589
+richards,0.252730,0.249572
+silent_logging,0.121377,0.123202
+simple_logging,0.360971,0.378673
+spectral_norm,0.496192,0.482341
+startup_nosite,0.466340,0.467873
+telco,0.000000,0.000000
+threaded_count,0.653574,0.644014
+unpack_sequence,0.000067,0.000068
+unpickle_list,0.479265,0.474832

File linux_athlonX2/benchmark_x86.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.644040 -> 0.676042: 1.05x slower
+
+### chaos ###
+Min: 0.391624 -> 0.382065: 1.03x faster
+Avg: 0.392139 -> 0.383807: 1.02x faster
+Significant (t=10.16)
+Stddev: 0.00037 -> 0.00180: 4.9126x larger
+
+### django_v2 ###
+Min: 0.815984 -> 0.836586: 1.03x slower
+Avg: 0.817210 -> 0.838664: 1.03x slower
+Significant (t=-16.65)
+Stddev: 0.00153 -> 0.00244: 1.5983x larger
+
+### etree_iterparse ###
+Min: 0.662638 -> 0.679655: 1.03x slower
+Avg: 0.666165 -> 0.681525: 1.02x slower
+Significant (t=-10.89)
+Stddev: 0.00285 -> 0.00135: 2.1142x smaller
+
+### etree_parse ###
+Min: 0.512283 -> 0.565828: 1.10x slower
+Avg: 0.515114 -> 0.569054: 1.10x slower
+Significant (t=-24.61)
+Stddev: 0.00309 -> 0.00380: 1.2303x larger
+
+### etree_process ###
+Min: 0.329579 -> 0.323541: 1.02x faster
+Avg: 0.335891 -> 0.325840: 1.03x faster
+Significant (t=4.57)
+Stddev: 0.00432 -> 0.00235: 1.8367x smaller
+
+### fastunpickle ###
+Min: 0.765248 -> 0.918891: 1.20x slower
+Avg: 0.768649 -> 0.921166: 1.20x slower
+Significant (t=-110.37)
+Stddev: 0.00199 -> 0.00236: 1.1890x larger
+
+### float ###
+Min: 0.421450 -> 0.434114: 1.03x slower
+Avg: 0.425462 -> 0.439388: 1.03x slower
+Significant (t=-4.33)
+Stddev: 0.00366 -> 0.00619: 1.6945x larger
+
+### formatted_logging ###
+Min: 0.371276 -> 0.387269: 1.04x slower
+Avg: 0.373787 -> 0.390636: 1.05x slower
+Significant (t=-9.23)
+Stddev: 0.00328 -> 0.00243: 1.3476x smaller
+
+### json_load ###
+Min: 0.597499 -> 0.706138: 1.18x slower
+Avg: 0.598897 -> 0.707860: 1.18x slower
+Significant (t=-127.69)
+Stddev: 0.00091 -> 0.00168: 1.8395x larger
+
+### mako ###
+Min: 0.061023 -> 0.065312: 1.07x slower
+Avg: 0.062086 -> 0.066197: 1.07x slower
+Significant (t=-29.66)
+Stddev: 0.00042 -> 0.00055: 1.3313x larger
+
+### mako_v2 ###
+Min: 0.052033 -> 0.054366: 1.04x slower
+Avg: 0.052625 -> 0.054935: 1.04x slower
+Significant (t=-29.76)
+Stddev: 0.00041 -> 0.00036: 1.1489x smaller
+
+### meteor_contest ###
+Min: 0.269159 -> 0.274779: 1.02x slower
+Avg: 0.269453 -> 0.275302: 1.02x slower
+Significant (t=-22.40)
+Stddev: 0.00037 -> 0.00046: 1.2450x larger
+
+### normal_startup ###
+Min: 0.636871 -> 0.696089: 1.09x slower
+Avg: 0.647851 -> 0.720206: 1.11x slower
+Significant (t=-8.54)
+Stddev: 0.00759 -> 0.01736: 2.2860x larger
+
+### regex_effbot ###
+Min: 0.092203 -> 0.077514: 1.19x faster
+Avg: 0.092952 -> 0.077734: 1.20x faster
+Significant (t=39.77)
+Stddev: 0.00082 -> 0.00023: 3.6002x smaller
+
+### simple_logging ###
+Min: 0.360971 -> 0.378673: 1.05x slower
+Avg: 0.363018 -> 0.380259: 1.05x slower
+Significant (t=-16.17)
+Stddev: 0.00164 -> 0.00173: 1.0506x larger
+
+### spectral_norm ###
+Min: 0.496192 -> 0.482341: 1.03x faster
+Avg: 0.496789 -> 0.483244: 1.03x faster
+Significant (t=26.23)
+Stddev: 0.00042 -> 0.00107: 2.5428x larger
+
+The following not significant results are hidden, use -v to show them:
+call_method, call_method_slots, call_method_unknown, call_simple, etree_generate, fannkuch, fastpickle, go, iterative_count, json_dump, json_dump_v2, nbody, nqueens, pathlib, pickle_dict, pickle_list, pidigits, raytrace, regex_compile, regex_v8, richards, silent_logging, startup_nosite, telco, threaded_count, unpack_sequence, unpickle_list.

File linux_athlonX2/benchmark_x86_sso6.csv

+Benchmark,Base,Changed
+2to3,0.664042,0.672042
+call_method,0.486187,0.494203
+call_method_slots,0.481861,0.488221
+call_method_unknown,0.491645,0.482479
+call_simple,0.369158,0.366438
+chaos,0.386734,0.430562
+django_v2,0.811478,0.834151
+etree_generate,0.406218,0.396488
+etree_iterparse,0.652290,0.639830
+etree_parse,0.497794,0.559083
+etree_process,0.330627,0.320175
+fannkuch,1.608450,1.629994
+fastpickle,0.625040,0.639331
+fastunpickle,0.789112,0.876668
+float,0.420976,0.492078
+formatted_logging,0.375080,0.379904
+go,0.775330,0.793382
+iterative_count,0.217836,0.222393
+json_dump,0.685343,0.691880
+json_dump_v2,3.848402,3.905431
+json_load,0.595108,0.682754
+mako,0.063691,0.063665
+mako_v2,0.053339,0.054663
+meteor_contest,0.260731,0.269187
+nbody,0.379732,0.377342
+normal_startup,0.638499,0.696172
+nqueens,0.340643,0.340540
+pathlib,0.123710,0.119468
+pickle_dict,0.701024,0.693104
+pickle_list,0.390377,0.383803
+pidigits,0.734661,0.722194
+raytrace,1.783706,2.083068
+regex_compile,0.512295,0.510381
+regex_effbot,0.091316,0.079599
+regex_v8,0.063100,0.063134
+richards,0.256428,0.254730
+silent_logging,0.122424,0.119146
+simple_logging,0.369539,0.368962
+spectral_norm,0.476478,0.529747
+startup_nosite,0.467957,0.467851
+telco,0.000000,0.000000
+threaded_count,0.637854,0.664880
+unpack_sequence,0.000067,0.000068
+unpickle_list,0.479418,0.475905

File linux_athlonX2/benchmark_x86_sso6.txt

+Running 2to3...
+Running call_method...
+Running call_method_slots...
+Running call_method_unknown...
+Running call_simple...
+Running chaos...
+Running django_v2...
+Running etree_generate...
+Running etree_iterparse...
+Running etree_parse...
+Running etree_process...
+Running fannkuch...
+Running fastpickle...
+Running fastunpickle...
+Running float...
+Running formatted_logging...
+Running go...
+Running iterative_count...
+Running json_dump...
+Running json_dump_v2...
+Running json_load...
+Running mako...
+Running mako_v2...
+Running meteor_contest...
+Running nbody...
+Running normal_startup...
+Running nqueens...
+Running pathlib...
+Running pickle_dict...
+Running pickle_list...
+Running pidigits...
+Running raytrace...
+Running regex_compile...
+Running regex_effbot...
+Running regex_v8...
+Running richards...
+Running silent_logging...
+Running simple_logging...
+Running spectral_norm...
+Running startup_nosite...
+Running telco...
+Running threaded_count...
+Running unpack_sequence...
+Running unpickle_list...
+
+Report on Linux htpc 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10 20:08:42 UTC 2013 x86_64 x86_64
+Total CPU cores: 2
+
+### 2to3 ###
+0.664042 -> 0.672042: 1.01x slower
+
+### call_method ###
+Min: 0.486187 -> 0.494203: 1.02x slower
+Avg: 0.486313 -> 0.496334: 1.02x slower
+Significant (t=-8.57)
+Stddev: 0.00022 -> 0.00453: 20.8819x larger
+
+### chaos ###
+Min: 0.386734 -> 0.430562: 1.11x slower
+Avg: 0.386961 -> 0.431208: 1.11x slower
+Significant (t=-182.19)
+Stddev: 0.00022 -> 0.00050: 2.2480x larger
+
+### django_v2 ###
+Min: 0.811478 -> 0.834151: 1.03x slower
+Avg: 0.813936 -> 0.835990: 1.03x slower
+Significant (t=-17.71)
+Stddev: 0.00205 -> 0.00188: 1.0897x smaller
+
+### etree_generate ###
+Min: 0.406218 -> 0.396488: 1.02x faster
+Avg: 0.409143 -> 0.399421: 1.02x faster
+Significant (t=5.75)
+Stddev: 0.00222 -> 0.00306: 1.3758x larger
+
+### etree_iterparse ###
+Min: 0.652290 -> 0.639830: 1.02x faster
+Avg: 0.656957 -> 0.643212: 1.02x faster
+Significant (t=8.94)
+Stddev: 0.00274 -> 0.00208: 1.3130x smaller
+
+### etree_parse ###
+Min: 0.497794 -> 0.559083: 1.12x slower
+Avg: 0.499217 -> 0.563508: 1.13x slower
+Significant (t=-34.86)
+Stddev: 0.00153 -> 0.00383: 2.5119x larger
+
+### etree_process ###
+Min: 0.330627 -> 0.320175: 1.03x faster
+Avg: 0.332321 -> 0.322902: 1.03x faster
+Significant (t=7.04)
+Stddev: 0.00175 -> 0.00242: 1.3817x larger
+
+### fastunpickle ###
+Min: 0.789112 -> 0.876668: 1.11x slower
+Avg: 0.790867 -> 0.879009: 1.11x slower
+Significant (t=-59.42)
+Stddev: 0.00211 -> 0.00256: 1.2154x larger
+
+### float ###
+Min: 0.420976 -> 0.492078: 1.17x slower
+Avg: 0.426536 -> 0.496409: 1.16x slower
+Significant (t=-29.30)
+Stddev: 0.00385 -> 0.00369: 1.0414x smaller
+
+### go ###
+Min: 0.775330 -> 0.793382: 1.02x slower
+Avg: 0.777473 -> 0.795623: 1.02x slower
+Significant (t=-11.91)
+Stddev: 0.00285 -> 0.00186: 1.5333x smaller
+
+### iterative_count ###
+Min: 0.217836 -> 0.222393: 1.02x slower
+Avg: 0.218529 -> 0.226375: 1.04x slower
+Significant (t=-2.39)
+Stddev: 0.00081 -> 0.00729: 8.9469x larger
+
+### json_load ###
+Min: 0.595108 -> 0.682754: 1.15x slower
+Avg: 0.597275 -> 0.683668: 1.14x slower
+Significant (t=-103.07)
+Stddev: 0.00153 -> 0.00109: 1.4048x smaller
+
+### meteor_contest ###
+Min: 0.260731 -> 0.269187: 1.03x slower
+Avg: 0.261391 -> 0.269807: 1.03x slower
+Significant (t=-20.32)
+Stddev: 0.00085 -> 0.00037: 2.3009x smaller
+
+### normal_startup ###
+Min: 0.638499 -> 0.696172: 1.09x slower
+Avg: 0.643542 -> 0.719120: 1.12x slower
+Significant (t=-10.53)
+Stddev: 0.00440 -> 0.01544: 3.5081x larger
+
+### pathlib ###
+Min: 0.123710 -> 0.119468: 1.04x faster
+Avg: 0.124353 -> 0.120300: 1.03x faster
+Significant (t=33.15)
+Stddev: 0.00029 -> 0.00054: 1.8460x larger
+
+### raytrace ###
+Min: 1.783706 -> 2.083068: 1.17x slower
+Avg: 1.788208 -> 2.090575: 1.17x slower
+Significant (t=-98.89)
+Stddev: 0.00313 -> 0.00608: 1.9446x larger
+
+### regex_effbot ###
+Min: 0.091316 -> 0.079599: 1.15x faster
+Avg: 0.092562 -> 0.079748: 1.16x faster
+Significant (t=21.60)
+Stddev: 0.00132 -> 0.00014: 9.2235x smaller
+
+### silent_logging ###
+Min: 0.122424 -> 0.119146: 1.03x faster
+Avg: 0.123512 -> 0.119876: 1.03x faster
+Significant (t=8.03)
+Stddev: 0.00085 -> 0.00055: 1.5660x smaller
+
+### spectral_norm ###
+Min: 0.476478 -> 0.529747: 1.11x slower
+Avg: 0.478726 -> 0.537018: 1.12x slower
+Significant (t=-21.99)
+Stddev: 0.00182 -> 0.00564: 3.1054x larger
+
+The following not significant results are hidden, use -v to show them:
+call_method_slots, call_method_unknown, call_simple, fannkuch, fastpickle, formatted_logging, json_dump, json_dump_v2, mako, mako_v2, nbody, nqueens, pickle_dict, pickle_list, pidigits, regex_compile, regex_v8, richards, simple_logging, startup_nosite, telco, threaded_count, unpack_sequence, unpickle_list.

File linux_athlonX2/system

+Dual Core 3.10 GHz
+AMD Athlon(tm) II X2 255 Processor
+
+Linux 3.2.0-54-generic X86_64
+Ubuntu 12.04 64bit
+gcc 4.6.3
+

File linux_core_i7/benchmark_x64.csv

+Benchmark,Base,Changed
+2to3,0.448000,0.464000
+call_method,0.288888,0.266433
+call_method_slots,0.287823,0.281869
+call_method_unknown,0.283787,0.276417
+call_simple,0.205536,0.201249
+chaos,0.283032,0.292577
+django_v2,0.640455,0.597856
+etree_generate,0.325001,0.305238
+etree_iterparse,0.463258,0.494223
+etree_parse,0.313879,0.319528
+etree_process,0.263067,0.271001
+fannkuch,1.105197,1.102983
+fastpickle,0.404824,0.409148
+fastunpickle,0.554878,0.595311
+float,0.272864,0.277426
+formatted_logging,0.298699,0.311360
+go,0.541966,0.537946
+iterative_count,0.117657,0.114465
+json_dump,0.458491,0.476522
+json_dump_v2,2.743320,2.804035
+json_load,0.427062,0.453217
+mako,0.044615,0.045640
+mako_v2,0.034730,0.034236
+meteor_contest,0.199672,0.207268
+nbody,0.261206,0.258452
+normal_startup,0.283006,0.287336