Eric Snow <ericsnowcurren...@gmail.com> added the comment:
Here's what I did (more or less): $ python3 -m pip install --user perf $ python3 -m perf system tune $ git clone g...@github.com:python/performance.git $ git clone g...@github.com:python/cpython.git $ cd cpython $ git checkout ef4ac967e2f3a9a18330cc6abe14adb4bc3d0465 $ ./configure $ make -j8 $ ./python ../performance/pyperformance run --fast --output speed.after $ git checkout HEAD^ $ make -j8 $ ./python ../performance/pyperformance run --fast --output speed.before $ ./python ../performance/pyperformance compare speed.before speed.after -O table Here are my results: speed.before ============ Performance version: 0.7.0 Report on Linux-4.15.0-45-generic-x86_64-with-glibc2.26 Number of logical CPUs: 4 Start date: 2019-02-25 20:39:44.151699 End date: 2019-02-25 20:48:04.817516 speed.after =========== Performance version: 0.7.0 Report on Linux-4.15.0-45-generic-x86_64-with-glibc2.26 Number of logical CPUs: 4 Start date: 2019-02-25 20:29:56.610702 End date: 2019-02-25 20:38:11.667461 +-------------------------+--------------+-------------+--------------+-----------------------+ | Benchmark | speed.before | speed.after | Change | Significance | +=========================+==============+=============+==============+=======================+ | 2to3 | 447 ms | 440 ms | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | chaos | 155 ms | 156 ms | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | crypto_pyaes | 154 ms | 152 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | deltablue | 10.7 ms | 10.5 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | django_template | 177 ms | 172 ms | 1.03x faster | Significant (t=3.66) | +-------------------------+--------------+-------------+--------------+-----------------------+ | dulwich_log | 105 ms | 106 ms | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | fannkuch | 572 ms | 573 ms | 1.00x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | float | 149 ms | 146 ms | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | go | 351 ms | 349 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | hexiom | 14.6 ms | 14.4 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | html5lib | 126 ms | 122 ms | 1.03x faster | Significant (t=3.46) | +-------------------------+--------------+-------------+--------------+-----------------------+ | json_dumps | 17.6 ms | 17.2 ms | 1.02x faster | Significant (t=2.65) | +-------------------------+--------------+-------------+--------------+-----------------------+ | json_loads | 36.4 us | 36.1 us | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | logging_format | 15.2 us | 14.9 us | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | logging_silent | 292 ns | 296 ns | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | logging_simple | 13.7 us | 13.4 us | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | mako | 22.9 ms | 22.5 ms | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | meteor_contest | 134 ms | 134 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | nbody | 157 ms | 161 ms | 1.03x slower | Significant (t=-3.85) | +-------------------------+--------------+-------------+--------------+-----------------------+ | nqueens | 134 ms | 132 ms | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | pathlib | 30.1 ms | 31.0 ms | 1.03x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | pickle | 11.5 us | 11.6 us | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | pickle_dict | 29.5 us | 30.5 us | 1.03x slower | Significant (t=-6.37) | +-------------------------+--------------+-------------+--------------+-----------------------+ | pickle_list | 4.54 us | 4.58 us | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | pickle_pure_python | 652 us | 651 us | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | pidigits | 212 ms | 215 ms | 1.02x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | python_startup | 11.6 ms | 11.5 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | python_startup_no_site | 8.07 ms | 7.95 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | raytrace | 729 ms | 722 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | regex_compile | 249 ms | 247 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | regex_dna | 203 ms | 204 ms | 1.00x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | regex_effbot | 3.55 ms | 3.55 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | regex_v8 | 28.3 ms | 28.3 ms | 1.00x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | richards | 105 ms | 105 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | scimark_fft | 429 ms | 436 ms | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | scimark_lu | 238 ms | 237 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | scimark_monte_carlo | 144 ms | 139 ms | 1.04x faster | Significant (t=3.61) | +-------------------------+--------------+-------------+--------------+-----------------------+ | scimark_sor | 265 ms | 260 ms | 1.02x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | scimark_sparse_mat_mult | 5.41 ms | 5.25 ms | 1.03x faster | Significant (t=4.26) | +-------------------------+--------------+-------------+--------------+-----------------------+ | spectral_norm | 174 ms | 173 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | sqlalchemy_declarative | 216 ms | 214 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | sqlalchemy_imperative | 41.6 ms | 41.2 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | sqlite_synth | 3.99 us | 3.91 us | 1.02x faster | Significant (t=2.49) | +-------------------------+--------------+-------------+--------------+-----------------------+ | sympy_expand | 559 ms | 559 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | sympy_integrate | 25.2 ms | 25.3 ms | 1.00x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | sympy_str | 261 ms | 260 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | sympy_sum | 136 ms | 138 ms | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | telco | 8.36 ms | 8.32 ms | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | tornado_http | 273 ms | 271 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | unpack_sequence | 58.8 ns | 60.0 ns | 1.02x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | unpickle | 21.5 us | 21.5 us | 1.00x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | unpickle_list | 5.60 us | 5.55 us | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | unpickle_pure_python | 497 us | 481 us | 1.03x faster | Significant (t=5.04) | +-------------------------+--------------+-------------+--------------+-----------------------+ | xml_etree_generate | 141 ms | 140 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | xml_etree_iterparse | 131 ms | 133 ms | 1.01x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | xml_etree_parse | 186 ms | 187 ms | 1.00x slower | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ | xml_etree_process | 115 ms | 113 ms | 1.01x faster | Not significant | +-------------------------+--------------+-------------+--------------+-----------------------+ ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue33608> _______________________________________ 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