| optimized c-u | current c-u | fedora (3.8.2) ------------------------+----------------------+----------------------+------------------- 2to3 | 511 ms +- 25 ms | 617 ms +- 21 ms | 578 ms +- 23 ms chameleon | 13.8 ms +- 0.3 ms | 18.0 ms +- 0.5 ms | 16.1 ms +- 0.6 ms chaos | 162 ms +- 4 ms | 232 ms +- 3 ms | 204 ms +- 4 ms crypto_pyaes | 162 ms +- 3 ms | 205 ms +- 5 ms | 218 ms +- 8 ms deltablue | 10.8 ms +- 0.3 ms | 15.3 ms +- 0.5 ms | 12.8 ms +- 0.3 ms django_template | 75.8 ms +- 1.0 ms | 104 ms +- 3 ms | 88.2 ms +- 1.8 ms dulwich_log | 111 ms +- 4 ms | 133 ms +- 2 ms | 121 ms +- 7 ms fannkuch | 695 ms +- 9 ms | 822 ms +- 8 ms | 874 ms +- 16 ms float | 171 ms +- 8 ms | 209 ms +- 4 ms | 217 ms +- 8 ms genshi_text | 43.8 ms +- 0.8 ms | 55.4 ms +- 0.8 ms | 53.5 ms +- 2.6 ms genshi_xml | 93.8 ms +- 1.5 ms | 113 ms +- 1 ms | 115 ms +- 6 ms go | 372 ms +- 7 ms | 497 ms +- 4 ms | 453 ms +- 8 ms hexiom | 14.4 ms +- 0.5 ms | 18.9 ms +- 0.2 ms | 18.2 ms +- 1.0 ms json_dumps | 19.2 ms +- 0.5 ms | 23.0 ms +- 0.3 ms | 22.7 ms +- 1.0 ms json_loads | 34.9 us +- 0.7 us | 43.5 us +- 0.7 us | 48.1 us +- 2.2 us logging_format | 14.6 us +- 0.8 us | 20.0 us +- 0.5 us | 16.9 us +- 1.0 us logging_silent | 290 ns +- 13 ns | 399 ns +- 10 ns | 343 ns +- 10 ns logging_simple | 13.1 us +- 0.3 us | 18.4 us +- 0.7 us | 15.5 us +- 0.6 us mako | 24.0 ms +- 0.4 ms | 31.2 ms +- 0.7 ms | 29.6 ms +- 1.2 ms meteor_contest | 157 ms +- 4 ms | 179 ms +- 2 ms | 189 ms +- 9 ms nbody | 184 ms +- 4 ms | 251 ms +- 4 ms | 229 ms +- 4 ms nqueens | 145 ms +- 3 ms | 180 ms +- 5 ms | 184 ms +- 5 ms pathlib | 28.4 ms +- 0.7 ms | 36.0 ms +- 1.3 ms | 35.2 ms +- 2.4 ms pickle | 14.6 us +- 0.7 us | 17.3 us +- 0.5 us | 16.4 us +- 0.6 us pickle_dict | 35.1 us +- 0.4 us | 42.3 us +- 0.6 us | 42.8 us +- 2.0 us pickle_list | 5.42 us +- 0.19 us | 6.24 us +- 0.10 us | 6.34 us +- 0.35 us pickle_pure_python | 699 us +- 15 us | 941 us +- 19 us | 800 us +- 16 us pidigits | 252 ms +- 3 ms | 267 ms +- 3 ms | 282 ms +- 4 ms pyflate | 1.01 sec +- 0.02 sec | 1.37 sec +- 0.07 sec | 1.23 sec +- 0.02 sec python_startup | 16.9 ms +- 0.6 ms | 19.6 ms +- 0.4 ms | 17.6 ms +- 0.5 ms python_startup_no_site | 11.2 ms +- 0.6 ms | 12.7 ms +- 0.2 ms | 11.5 ms +- 0.3 ms raytrace | 733 ms +- 11 ms | 1.22 sec +- 0.01 sec | 886 ms +- 10 ms regex_compile | 257 ms +- 2 ms | 353 ms +- 3 ms | 300 ms +- 4 ms regex_dna | 268 ms +- 4 ms | 296 ms +- 7 ms | 293 ms +- 15 ms regex_effbot | 4.35 ms +- 0.07 ms | 5.13 ms +- 0.39 ms | 4.93 ms +- 0.23 ms regex_v8 | 35.9 ms +- 0.7 ms | 43.3 ms +- 2.0 ms | 37.5 ms +- 0.4 ms richards | 100 ms +- 1 ms | 168 ms +- 9 ms | 124 ms +- 4 ms scimark_fft | 538 ms +- 6 ms | 773 ms +- 8 ms | 710 ms +- 33 ms scimark_lu | 235 ms +- 5 ms | 340 ms +- 3 ms | 288 ms +- 5 ms scimark_monte_carlo | 154 ms +- 2 ms | 231 ms +- 4 ms | 191 ms +- 4 ms scimark_sor | 301 ms +- 4 ms | 446 ms +- 8 ms | 363 ms +- 6 ms scimark_sparse_mat_mult | 6.65 ms +- 0.26 ms | 10.3 ms +- 0.2 ms | 8.14 ms +- 0.09 ms spectral_norm | 205 ms +- 5 ms | 296 ms +- 5 ms | 251 ms +- 2 ms sqlalchemy_declarative | 257 ms +- 3 ms | 313 ms +- 4 ms | 289 ms +- 3 ms sqlalchemy_imperative | 51.4 ms +- 1.3 ms | 63.7 ms +- 4.0 ms | 55.5 ms +- 3.3 ms sqlite_synth | 4.23 us +- 0.12 us | 5.77 us +- 0.17 us | 5.24 us +- 0.51 us sympy_expand | 766 ms +- 13 ms | 1.03 sec +- 0.04 sec | 806 ms +- 13 ms sympy_integrate | 38.4 ms +- 0.7 ms | 48.3 ms +- 0.4 ms | 42.0 ms +- 0.6 ms sympy_sum | 348 ms +- 8 ms | 433 ms +- 4 ms | 369 ms +- 6 ms sympy_str | 526 ms +- 8 ms | 676 ms +- 6 ms | 562 ms +- 6 ms telco | 8.56 ms +- 0.13 ms | 13.0 ms +- 0.7 ms | 12.0 ms +- 0.4 ms tornado_http | 293 ms +- 11 ms | 376 ms +- 23 ms | 330 ms +- 13 ms unpack_sequence | 83.8 ns +- 4.0 ns | 92.8 ns +- 5.3 ns | 89.8 ns +- 3.2 ns unpickle | 19.5 us +- 0.3 us | 27.0 us +- 0.5 us | 25.0 us +- 1.1 us unpickle_list | 5.94 us +- 0.12 us | 7.99 us +- 0.38 us | 6.82 us +- 0.53 us unpickle_pure_python | 461 us +- 10 us | 749 us +- 24 us | 566 us +- 26 us xml_etree_parse | 219 ms +- 3 ms | 259 ms +- 2 ms | 261 ms +- 13 ms xml_etree_iterparse | 155 ms +- 4 ms | 192 ms +- 2 ms | 180 ms +- 3 ms xml_etree_generate | 138 ms +- 3 ms | 185 ms +- 3 ms | 175 ms +- 9 ms xml_etree_process | 109 ms +- 4 ms | 148 ms +- 2 ms | 136 ms +- 2 ms