--enable-optimizations:
$ ~/local/cpython/bin/pyperf compare_to -G default.json patched.json
Slower (12):
- pickle_dict: 42.0 us +- 0.2 us -> 42.9 us +- 0.2 us: 1.02x slower (+2%)
- regex_dna: 228 ms +- 1 ms -> 233 ms +- 2 ms: 1.02x slower (+2%)
- unpickle_list: 4.83 us +- 0.04 us -> 4.93 us +- 0.05 us: 1.02x slower (+2%)
- nbody: 175 ms +- 1 ms -> 178 ms +- 1 ms: 1.02x slower (+2%)
- unpack_sequence: 72.3 ns +- 0.4 ns -> 73.5 ns +- 4.8 ns: 1.02x slower (+2%)
- scimark_sparse_mat_mult: 5.21 ms +- 0.09 ms -> 5.27 ms +- 0.04 ms: 1.01x slower (+1%)
- dulwich_log: 97.2 ms +- 1.2 ms -> 98.2 ms +- 1.4 ms: 1.01x slower (+1%)
- pickle_list: 5.69 us +- 0.04 us -> 5.73 us +- 0.07 us: 1.01x slower (+1%)
- logging_format: 18.4 us +- 0.4 us -> 18.5 us +- 0.4 us: 1.01x slower (+1%)
- meteor_contest: 148 ms +- 2 ms -> 149 ms +- 2 ms: 1.01x slower (+1%)
- sympy_sum: 133 ms +- 4 ms -> 134 ms +- 5 ms: 1.00x slower (+0%)
- python_startup: 12.3 ms +- 0.1 ms -> 12.3 ms +- 0.1 ms: 1.00x slower (+0%)

Faster (42):
- call_method_slots: 9.95 ms +- 0.33 ms -> 9.36 ms +- 0.38 ms: 1.06x faster (-6%)
- call_method: 10.3 ms +- 0.4 ms -> 9.80 ms +- 0.53 ms: 1.05x faster (-5%)
- pickle: 15.0 us +- 0.1 us -> 14.3 us +- 0.2 us: 1.05x faster (-5%)
- call_method_unknown: 11.6 ms +- 0.3 ms -> 11.1 ms +- 0.4 ms: 1.04x faster (-4%)
- spectral_norm: 195 ms +- 2 ms -> 188 ms +- 1 ms: 1.04x faster (-4%)
- pathlib: 24.4 ms +- 0.3 ms -> 23.7 ms +- 0.3 ms: 1.03x faster (-3%)
- json_dumps: 17.5 ms +- 0.5 ms -> 17.0 ms +- 0.3 ms: 1.03x faster (-3%)
- regex_v8: 34.4 ms +- 0.2 ms -> 33.5 ms +- 0.4 ms: 1.03x faster (-3%)
- call_simple: 9.26 ms +- 0.30 ms -> 9.01 ms +- 0.39 ms: 1.03x faster (-3%)
- logging_silent: 456 ns +- 5 ns -> 444 ns +- 6 ns: 1.03x faster (-3%)
- richards: 106 ms +- 2 ms -> 104 ms +- 2 ms: 1.02x faster (-2%)
- django_template: 206 ms +- 8 ms -> 202 ms +- 7 ms: 1.02x faster (-2%)
- sqlite_synth: 4.74 us +- 0.16 us -> 4.64 us +- 0.10 us: 1.02x faster (-2%)
- scimark_fft: 467 ms +- 3 ms -> 457 ms +- 16 ms: 1.02x faster (-2%)
- deltablue: 10.8 ms +- 0.2 ms -> 10.6 ms +- 0.2 ms: 1.02x faster (-2%)
- regex_compile: 269 ms +- 5 ms -> 263 ms +- 2 ms: 1.02x faster (-2%)
- genshi_xml: 98.5 ms +- 1.8 ms -> 96.7 ms +- 1.0 ms: 1.02x faster (-2%)
- sympy_expand: 615 ms +- 9 ms -> 604 ms +- 11 ms: 1.02x faster (-2%)
- tornado_http: 265 ms +- 4 ms -> 261 ms +- 4 ms: 1.02x faster (-2%)
- scimark_sor: 298 ms +- 3 ms -> 294 ms +- 3 ms: 1.02x faster (-2%)
- pickle_pure_python: 704 us +- 16 us -> 693 us +- 8 us: 1.02x faster (-1%)
- crypto_pyaes: 154 ms +- 1 ms -> 152 ms +- 1 ms: 1.02x faster (-1%)
- raytrace: 753 ms +- 8 ms -> 743 ms +- 8 ms: 1.01x faster (-1%)
- nqueens: 140 ms +- 1 ms -> 138 ms +- 1 ms: 1.01x faster (-1%)
- sympy_str: 277 ms +- 6 ms -> 274 ms +- 4 ms: 1.01x faster (-1%)
- regex_effbot: 4.03 ms +- 0.12 ms -> 3.98 ms +- 0.06 ms: 1.01x faster (-1%)
- html5lib: 130 ms +- 4 ms -> 129 ms +- 4 ms: 1.01x faster (-1%)
- sqlalchemy_declarative: 237 ms +- 3 ms -> 234 ms +- 3 ms: 1.01x faster (-1%)
- scimark_monte_carlo: 153 ms +- 2 ms -> 152 ms +- 1 ms: 1.01x faster (-1%)
- hexiom: 14.8 ms +- 0.1 ms -> 14.7 ms +- 0.1 ms: 1.01x faster (-1%)
- 2to3: 446 ms +- 2 ms -> 441 ms +- 2 ms: 1.01x faster (-1%)
- mako: 29.0 ms +- 0.1 ms -> 28.8 ms +- 0.2 ms: 1.01x faster (-1%)
- go: 346 ms +- 3 ms -> 343 ms +- 4 ms: 1.01x faster (-1%)
- float: 184 ms +- 3 ms -> 183 ms +- 2 ms: 1.01x faster (-1%)
- sqlalchemy_imperative: 49.2 ms +- 1.1 ms -> 48.7 ms +- 0.9 ms: 1.01x faster (-1%)
- genshi_text: 46.5 ms +- 0.7 ms -> 46.1 ms +- 0.5 ms: 1.01x faster (-1%)
- telco: 9.82 ms +- 0.38 ms -> 9.74 ms +- 0.17 ms: 1.01x faster (-1%)
- chaos: 162 ms +- 1 ms -> 161 ms +- 1 ms: 1.01x faster (-1%)
- sympy_integrate: 30.0 ms +- 0.2 ms -> 29.8 ms +- 0.2 ms: 1.01x faster (-1%)
- fannkuch: 709 ms +- 2 ms -> 705 ms +- 1 ms: 1.01x faster (-1%)
- scimark_lu: 322 ms +- 8 ms -> 320 ms +- 5 ms: 1.00x faster (-0%)
- json_loads: 36.0 us +- 0.2 us -> 36.0 us +- 0.2 us: 1.00x faster (-0%)

Benchmark hidden because not significant (10): chameleon, logging_simple, pidigits, python_startup_no_site, unpickle, unpickle_pure_python, xml_etree_generate, xml_etree_iterparse, xml_etree_parse, xml_etree_process