Report on Linux vespasian 2.6.24-30-generic #1 SMP i686 Total CPU cores: 1 New dict (doubling) vs. CPython =============================== Speed ----- ### call_simple ### Min: 1.131625 -> 1.216112: 1.07x slower Avg: 1.143615 -> 1.223153: 1.07x slower Significant (t=-95.62) Stddev: 0.00694 -> 0.00745: 1.0734x larger Timeline: b'http://tinyurl.com/7ey5unc' ### fastpickle ### Min: 2.365578 -> 2.315522: 1.02x faster Avg: 2.379824 -> 2.326625: 1.02x faster Significant (t=28.84) Stddev: 0.00984 -> 0.00857: 1.1479x smaller Timeline: b'http://tinyurl.com/75nk6fg' ### fastunpickle ### Min: 2.043093 -> 2.083532: 1.02x slower Avg: 2.056331 -> 2.103432: 1.02x slower Significant (t=-31.72) Stddev: 0.00667 -> 0.00811: 1.2144x larger Timeline: b'http://tinyurl.com/7r24oyr' ### float ### Min: 0.256634 -> 0.242119: 1.06x faster Avg: 0.281768 -> 0.252510: 1.12x faster Significant (t=34.46) Stddev: 0.00985 -> 0.00911: 1.0811x smaller Timeline: b'http://tinyurl.com/72cy3ap' ### formatted_logging ### Min: 1.801701 -> 1.886665: 1.05x slower Avg: 1.825188 -> 1.907127: 1.04x slower Significant (t=-31.16) Stddev: 0.01431 -> 0.01188: 1.2046x smaller Timeline: b'http://tinyurl.com/7yjstcs' ### iterative_count ### Min: 0.531924 -> 0.570944: 1.07x slower Avg: 0.549278 -> 0.586633: 1.07x slower Significant (t=-17.09) Stddev: 0.01287 -> 0.00856: 1.5042x smaller Timeline: b'http://tinyurl.com/7afe77x' ### json_dump ### Min: 1.807933 -> 2.361769: 1.31x slower Avg: 1.833581 -> 2.375774: 1.30x slower Significant (t=-249.39) Stddev: 0.01165 -> 0.01003: 1.1623x smaller Timeline: b'http://tinyurl.com/7nkvfdf' ### json_load ### Min: 1.494502 -> 1.733510: 1.16x slower Avg: 1.513454 -> 1.780639: 1.18x slower Significant (t=-50.91) Stddev: 0.01285 -> 0.03481: 2.7088x larger Timeline: b'http://tinyurl.com/78uex2v' ### nbody ### Min: 1.195176 -> 1.111036: 1.08x faster Avg: 1.205988 -> 1.117919: 1.08x faster Significant (t=64.16) Stddev: 0.00770 -> 0.00591: 1.3028x smaller Timeline: b'http://tinyurl.com/88ylc46' ### nqueens ### Min: 1.205363 -> 1.270263: 1.05x slower Avg: 1.219677 -> 1.286260: 1.05x slower Significant (t=-34.55) Stddev: 0.00992 -> 0.00934: 1.0626x smaller Timeline: b'http://tinyurl.com/6nbjq6y' ### regex_compile ### Min: 2.139500 -> 2.410691: 1.13x slower Avg: 2.150651 -> 2.429258: 1.13x slower Significant (t=-168.69) Stddev: 0.00736 -> 0.00907: 1.2333x larger Timeline: b'http://tinyurl.com/88xr386' ### regex_effbot ### Min: 0.194415 -> 0.200979: 1.03x slower Avg: 0.199182 -> 0.206103: 1.03x slower Significant (t=-4.83) Stddev: 0.00715 -> 0.00717: 1.0028x larger Timeline: b'http://tinyurl.com/6ll7pdv' ### regex_v8 ### Min: 0.233819 -> 0.219033: 1.07x faster Avg: 0.249771 -> 0.227338: 1.10x faster Significant (t=7.69) Stddev: 0.01553 -> 0.01358: 1.1440x smaller Timeline: b'http://tinyurl.com/74dqdsy' ### richards ### Min: 0.698549 -> 0.727000: 1.04x slower Avg: 0.717596 -> 0.750720: 1.05x slower Significant (t=-16.90) Stddev: 0.00896 -> 0.01058: 1.1812x larger Timeline: b'http://tinyurl.com/76cvgyj' ### silent_logging ### Min: 0.282622 -> 0.302598: 1.07x slower Avg: 0.291308 -> 0.313256: 1.08x slower Significant (t=-13.24) Stddev: 0.00791 -> 0.00865: 1.0937x larger Timeline: b'http://tinyurl.com/6vovnav' ### simple_logging ### Min: 1.622786 -> 1.796359: 1.11x slower Avg: 1.660321 -> 1.821784: 1.10x slower Significant (t=-38.86) Stddev: 0.02772 -> 0.00974: 2.8450x smaller Timeline: b'http://tinyurl.com/777y27t' ### threaded_count ### Min: 0.501266 -> 0.532309: 1.06x slower Avg: 0.521384 -> 0.549346: 1.05x slower Significant (t=-13.74) Stddev: 0.01074 -> 0.00957: 1.1228x smaller Timeline: b'http://tinyurl.com/889qegb' ### unpack_sequence ### Min: 0.000212 -> 0.000212: no change Avg: 0.000232 -> 0.000242: 1.04x slower Significant (t=-6.07) Stddev: 0.00026 -> 0.00026: 1.0096x larger Timeline: b'http://tinyurl.com/8yzsnmo' ### 2to3 ### 36.702294 -> 37.234327: 1.01x slower ### mako ### Min: 0.982504 -> 0.887246: 1.11x faster Avg: 1.008269 -> 0.934528: 1.08x faster Significant (t=57.62) Stddev: 0.01178 -> 0.01645: 1.3970x larger Timeline: b'http://tinyurl.com/7p2j9s2' ### mako ### Min: 0.753596 -> 0.874137: 1.16x slower Avg: 0.793711 -> 0.915435: 1.15x slower Significant (t=-85.92) Stddev: 0.01607 -> 0.01561: 1.0293x smaller Timeline: b'http://tinyurl.com/8xu5nh9' The following not significant results are hidden, use -v to show them: call_method, call_method_slots, call_method_unknown, normal_startup, pidigits, startup_nosite. Memory ------ ### call_method ### Mem max: 4164.000 -> 4032.000: 1.0327x smaller Usage over time: b'http://tinyurl.com/7saraes' ### call_method_slots ### Mem max: 4164.000 -> 4028.000: 1.0338x smaller Usage over time: b'http://tinyurl.com/722jr7s' ### call_method_unknown ### Mem max: 4464.000 -> 4068.000: 1.0973x smaller Usage over time: b'http://tinyurl.com/6oayz7q' ### call_simple ### Mem max: 4148.000 -> 4008.000: 1.0349x smaller Usage over time: b'http://tinyurl.com/75v3szx' ### fastpickle ### Mem max: 5108.000 -> 4876.000: 1.0476x smaller Usage over time: b'http://tinyurl.com/6s3q7pt' ### fastunpickle ### Mem max: 5132.000 -> 4896.000: 1.0482x smaller Usage over time: b'http://tinyurl.com/7fjhljq' ### float ### Mem max: 8592.000 -> 6772.000: 1.2688x smaller Usage over time: b'http://tinyurl.com/7ke4acp' ### formatted_logging ### Mem max: 10732.000 -> 10892.000: 1.0149x larger Usage over time: b'http://tinyurl.com/83z4f2a' ### iterative_count ### Mem max: 4200.000 -> 4068.000: 1.0324x smaller Usage over time: b'http://tinyurl.com/77ph38p' ### json_dump ### Mem max: 4944.000 -> 4600.000: 1.0748x smaller Usage over time: b'http://tinyurl.com/896y5he' ### json_load ### Mem max: 4940.000 -> 4596.000: 1.0748x smaller Usage over time: b'http://tinyurl.com/77mw6wz' ### nbody ### Mem max: 4172.000 -> 4024.000: 1.0368x smaller Usage over time: b'http://tinyurl.com/7h2795d' ### normal_startup ### Mem max: 3772.000 -> 3632.000: 1.0385x smaller Usage over time: b'http://tinyurl.com/84nwxz7' ### nqueens ### Mem max: 4272.000 -> 4132.000: 1.0339x smaller Usage over time: b'http://tinyurl.com/7sshb2v' ### pidigits ### Mem max: 4248.000 -> 4108.000: 1.0341x smaller Usage over time: b'http://tinyurl.com/82urnw2' ### regex_compile ### Mem max: 8572.000 -> 8904.000: 1.0387x larger Usage over time: b'http://tinyurl.com/6nukmpu' ### regex_effbot ### Mem max: 4864.000 -> 4736.000: 1.0270x smaller Usage over time: b'http://tinyurl.com/767ge37' ### regex_v8 ### Mem max: 7508.000 -> 7860.000: 1.0469x larger Usage over time: b'http://tinyurl.com/72lxz75' ### richards ### Mem max: 4464.000 -> 4356.000: 1.0248x smaller Usage over time: b'http://tinyurl.com/7794rv7' ### silent_logging ### Mem max: 4844.000 -> 4496.000: 1.0774x smaller Usage over time: b'http://tinyurl.com/8332w2a' ### simple_logging ### Mem max: 6952.000 -> 5352.000: 1.2990x smaller Usage over time: b'http://tinyurl.com/8yk7svt' ### startup_nosite ### Mem max: 2872.000 -> 2748.000: 1.0451x smaller Usage over time: b'http://tinyurl.com/72bbdnp' ### threaded_count ### Mem max: 4232.000 -> 4084.000: 1.0362x smaller Usage over time: b'http://tinyurl.com/8yrshqh' ### unpack_sequence ### Mem max: 5688.000 -> 5416.000: 1.0502x smaller Usage over time: b'http://tinyurl.com/7jy6dpl' ### mako ### Mem max: 9012.000 -> 8580.000: 1.0503x smaller Usage over time: b'http://tinyurl.com/82qzfvo' ### 2to3 ### Mem max: 32684.000 -> 22356.000: 1.4620x smaller Usage over time: b'http://tinyurl.com/77hbok6' ### gc ### Mem max: 92600.000 -> 49000.000: 1.8898x smaller Usage over time: b'http://tinyurl.com/86vswmt' New dict (quadrupling) vs. CPython ================================== Speed ----- ### call_simple ### Min: 1.217095 -> 1.269468: 1.04x slower Avg: 1.228556 -> 1.282715: 1.04x slower Significant (t=-55.48) Stddev: 0.00826 -> 0.00864: 1.0459x larger Timeline: b'http://tinyurl.com/7qtz7hk' ### fastpickle ### Min: 2.421091 -> 2.333122: 1.04x faster Avg: 2.447303 -> 2.348845: 1.04x faster Significant (t=41.67) Stddev: 0.01290 -> 0.01062: 1.2142x smaller Timeline: b'http://tinyurl.com/8634dn3' ### fastunpickle ### Min: 2.069723 -> 2.024058: 1.02x faster Avg: 2.082294 -> 2.039120: 1.02x faster Significant (t=17.92) Stddev: 0.00775 -> 0.01517: 1.9572x larger Timeline: b'http://tinyurl.com/73t6ldd' ### formatted_logging ### Min: 1.839560 -> 1.950483: 1.06x slower Avg: 1.868685 -> 1.973164: 1.06x slower Significant (t=-36.79) Stddev: 0.01822 -> 0.00843: 2.1607x smaller Timeline: b'http://tinyurl.com/6pej9zy' ### iterative_count ### Min: 0.482927 -> 0.564538: 1.17x slower Avg: 0.496796 -> 0.575018: 1.16x slower Significant (t=-41.67) Stddev: 0.00982 -> 0.00893: 1.1002x smaller Timeline: b'http://tinyurl.com/735skdg' ### json_dump ### Min: 1.863940 -> 2.130464: 1.14x slower Avg: 1.905174 -> 2.158846: 1.13x slower Significant (t=-44.83) Stddev: 0.03699 -> 0.01525: 2.4253x smaller Timeline: b'http://tinyurl.com/8yx7oso' ### json_load ### Min: 1.586767 -> 1.761993: 1.11x slower Avg: 1.610569 -> 1.793440: 1.11x slower Significant (t=-80.38) Stddev: 0.01279 -> 0.00976: 1.3097x smaller Timeline: b'http://tinyurl.com/6ny4qr5' ### regex_compile ### Min: 2.163662 -> 2.332177: 1.08x slower Avg: 2.174792 -> 2.349151: 1.08x slower Significant (t=-89.97) Stddev: 0.00824 -> 0.01095: 1.3287x larger Timeline: b'http://tinyurl.com/7htwu63' ### regex_effbot ### Min: 0.203670 -> 0.197273: 1.03x faster Avg: 0.208266 -> 0.202605: 1.03x faster Significant (t=3.74) Stddev: 0.00752 -> 0.00763: 1.0143x larger Timeline: b'http://tinyurl.com/7znmo3r' ### regex_v8 ### Min: 0.226723 -> 0.221915: 1.02x faster Avg: 0.239020 -> 0.230629: 1.04x faster Significant (t=3.22) Stddev: 0.01280 -> 0.01325: 1.0349x larger Timeline: b'http://tinyurl.com/7m99e3s' ### richards ### Min: 0.708626 -> 0.727219: 1.03x slower Avg: 0.729989 -> 0.747773: 1.02x slower Significant (t=-8.71) Stddev: 0.01022 -> 0.01020: 1.0020x smaller Timeline: b'http://tinyurl.com/6ueszbh' ### silent_logging ### Min: 0.272886 -> 0.306478: 1.12x slower Avg: 0.281103 -> 0.314645: 1.12x slower Significant (t=-19.17) Stddev: 0.00832 -> 0.00916: 1.1002x larger Timeline: b'http://tinyurl.com/79koy5q' ### threaded_count ### Min: 0.492332 -> 0.540116: 1.10x slower Avg: 0.518163 -> 0.571137: 1.10x slower Significant (t=-20.88) Stddev: 0.01135 -> 0.01390: 1.2242x larger Timeline: b'http://tinyurl.com/6lsbcvf' ### unpack_sequence ### Min: 0.000208 -> 0.000212: 1.02x slower Avg: 0.000230 -> 0.000243: 1.06x slower Significant (t=-7.71) Stddev: 0.00026 -> 0.00026: 1.0039x larger Timeline: b'http://tinyurl.com/74oeotm' ### mako ### Min: 0.874489 -> 0.823223: 1.06x faster Avg: 0.910595 -> 0.867006: 1.05x faster Significant (t=39.33) Stddev: 0.01187 -> 0.01289: 1.0862x larger Timeline: b'http://tinyurl.com/7zrms7f' ### 2to3 ### 35.266204 -> 35.746234: 1.01x slower ### gc ### 81.385087 -> 72.084505: 1.13x faster The following not significant results are hidden, use -v to show them: call_method, call_method_slots, call_method_unknown, float, nbody, normal_startup, nqueens, pidigits, simple_logging, startup_nosite. Memory ------ ### call_method ### Mem max: 4160.000 -> 4148.000: 1.0029x smaller Usage over time: b'http://tinyurl.com/7vefebw' ### call_method_slots ### Mem max: 4160.000 -> 4144.000: 1.0039x smaller Usage over time: b'http://tinyurl.com/792cyef' ### call_method_unknown ### Mem max: 4460.000 -> 4192.000: 1.0639x smaller Usage over time: b'http://tinyurl.com/6qy28zv' ### call_simple ### Mem max: 4152.000 -> 4124.000: 1.0068x smaller Usage over time: b'http://tinyurl.com/85fjkcd' ### fastpickle ### Mem max: 5112.000 -> 5208.000: 1.0188x larger Usage over time: b'http://tinyurl.com/79fbjo7' ### fastunpickle ### Mem max: 5172.000 -> 5216.000: 1.0085x larger Usage over time: b'http://tinyurl.com/78ux4wb' ### float ### Mem max: 8596.000 -> 6892.000: 1.2472x smaller Usage over time: b'http://tinyurl.com/7m97d7r' ### formatted_logging ### Mem max: 11228.000 -> 11504.000: 1.0246x larger Usage over time: b'http://tinyurl.com/8y8mb64' ### iterative_count ### Mem max: 4208.000 -> 4228.000: 1.0048x larger Usage over time: b'http://tinyurl.com/8834pgs' ### json_dump ### Mem max: 4972.000 -> 4956.000: 1.0032x smaller Usage over time: b'http://tinyurl.com/7y5jlcr' ### json_load ### Mem max: 4984.000 -> 4952.000: 1.0065x smaller Usage over time: b'http://tinyurl.com/87mashx' ### nbody ### Mem max: 4172.000 -> 4160.000: 1.0029x smaller Usage over time: b'http://tinyurl.com/6nlpgr6' ### normal_startup ### Mem max: 3772.000 -> 3744.000: 1.0075x smaller Usage over time: b'http://tinyurl.com/76lbp3j' ### nqueens ### Mem max: 4284.000 -> 4256.000: 1.0066x smaller Usage over time: b'http://tinyurl.com/6lmo2wh' ### pidigits ### Mem max: 4252.000 -> 4236.000: 1.0038x smaller Usage over time: b'http://tinyurl.com/75u5x94' ### regex_compile ### Mem max: 9188.000 -> 8924.000: 1.0296x smaller Usage over time: b'http://tinyurl.com/7zegqhq' ### regex_effbot ### Mem max: 4888.000 -> 4856.000: 1.0066x smaller Usage over time: b'http://tinyurl.com/6trs6gc' ### regex_v8 ### Mem max: 7700.000 -> 8008.000: 1.0400x larger Usage over time: b'http://tinyurl.com/82eole9' ### richards ### Mem max: 4464.000 -> 4492.000: 1.0063x larger Usage over time: b'http://tinyurl.com/6vnhcbo' ### silent_logging ### Mem max: 4844.000 -> 4804.000: 1.0083x smaller Usage over time: b'http://tinyurl.com/7k6l8ty' ### simple_logging ### Mem max: 6860.000 -> 6828.000: 1.0047x smaller Usage over time: b'http://tinyurl.com/7ybn594' ### startup_nosite ### Mem max: 2872.000 -> 2856.000: 1.0056x smaller Usage over time: b'http://tinyurl.com/7z7h3pf' ### threaded_count ### Mem max: 4228.000 -> 4236.000: 1.0019x larger Usage over time: b'http://tinyurl.com/6tdq2mq' ### unpack_sequence ### Mem max: 5704.000 -> 5856.000: 1.0266x larger Usage over time: b'http://tinyurl.com/75sboe3' ### mako ### Mem max: 8796.000 -> 8760.000: 1.0041x smaller Usage over time: b'http://tinyurl.com/6qyt8wm' ### 2to3 ### Mem max: 32676.000 -> 29472.000: 1.1087x smaller Usage over time: b'http://tinyurl.com/7ze4nrv' ### gc ### Mem max: 92460.000 -> 49144.000: 1.8814x smaller Usage over time: b'http://tinyurl.com/7wa9zwg'