gistfile1.txt

+-------------------------+-----------+--------------------------+--------------+------------------------+
| Benchmark               | py37.perf | py37_insert_memmove.perf | Change       | Significance           |
+=========================+===========+==========================+==============+========================+
| 2to3                    | 649 ms    | 613 ms                   | 1.06x faster | Significant (t=26.33)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| chameleon               | 25.4 ms   | 23.9 ms                  | 1.06x faster | Significant (t=20.96)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| chaos                   | 258 ms    | 245 ms                   | 1.05x faster | Significant (t=26.57)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| crypto_pyaes            | 214 ms    | 200 ms                   | 1.07x faster | Significant (t=42.43)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| deltablue               | 15.6 ms   | 14.5 ms                  | 1.08x faster | Significant (t=25.53)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| django_template         | 307 ms    | 312 ms                   | 1.02x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| dulwich_log             | 149 ms    | 140 ms                   | 1.06x faster | Significant (t=9.95)   |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| fannkuch                | 965 ms    | 949 ms                   | 1.02x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| float                   | 232 ms    | 226 ms                   | 1.03x faster | Significant (t=6.01)   |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| genshi_text             | 80.4 ms   | 74.8 ms                  | 1.07x faster | Significant (t=20.85)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| genshi_xml              | 167 ms    | 165 ms                   | 1.02x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| go                      | 529 ms    | 506 ms                   | 1.05x faster | Significant (t=22.74)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| hexiom                  | 19.2 ms   | 18.6 ms                  | 1.04x faster | Significant (t=21.24)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| html5lib                | 195 ms    | 189 ms                   | 1.03x faster | Significant (t=5.47)   |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| json_dumps              | 26.2 ms   | 25.4 ms                  | 1.03x faster | Significant (t=11.07)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| json_loads              | 55.9 us   | 53.7 us                  | 1.04x faster | Significant (t=14.98)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| logging_format          | 25.2 us   | 25.5 us                  | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| logging_silent          | 346 ns    | 331 ns                   | 1.05x faster | Significant (t=13.07)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| logging_simple          | 21.2 us   | 21.4 us                  | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| mako                    | 36.4 ms   | 32.8 ms                  | 1.11x faster | Significant (t=38.83)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| meteor_contest          | 175 ms    | 176 ms                   | 1.00x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| nbody                   | 222 ms    | 211 ms                   | 1.05x faster | Significant (t=15.00)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| nqueens                 | 222 ms    | 219 ms                   | 1.01x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| pathlib                 | 46.9 ms   | 44.5 ms                  | 1.06x faster | Significant (t=10.38)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| pickle                  | 23.2 us   | 22.8 us                  | 1.01x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| pickle_dict             | 62.0 us   | 59.1 us                  | 1.05x faster | Significant (t=17.63)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| pickle_list             | 8.30 us   | 8.18 us                  | 1.01x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| pickle_pure_python      | 1.07 ms   | 1.03 ms                  | 1.04x faster | Significant (t=10.34)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| pidigits                | 284 ms    | 280 ms                   | 1.01x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| python_startup          | 13.6 ms   | 13.4 ms                  | 1.01x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| python_startup_no_site  | 8.75 ms   | 8.58 ms                  | 1.02x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| raytrace                | 1.10 sec  | 1.10 sec                 | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| regex_compile           | 369 ms    | 374 ms                   | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| regex_dna               | 238 ms    | 245 ms                   | 1.03x slower | Significant (t=-6.53)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| regex_effbot            | 4.52 ms   | 4.50 ms                  | 1.00x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| regex_v8                | 45.2 ms   | 37.5 ms                  | 1.21x faster | Significant (t=60.53)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| richards                | 152 ms    | 156 ms                   | 1.03x slower | Significant (t=-6.33)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| scimark_fft             | 626 ms    | 639 ms                   | 1.02x slower | Significant (t=-5.33)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| scimark_lu              | 332 ms    | 324 ms                   | 1.02x faster | Significant (t=4.18)   |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| scimark_monte_carlo     | 215 ms    | 218 ms                   | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| scimark_sor             | 423 ms    | 408 ms                   | 1.04x faster | Significant (t=4.95)   |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| scimark_sparse_mat_mult | 8.10 ms   | 8.64 ms                  | 1.07x slower | Significant (t=-9.03)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| spectral_norm           | 246 ms    | 247 ms                   | 1.00x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sqlalchemy_declarative  | 261 ms    | 276 ms                   | 1.06x slower | Significant (t=-12.61) |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sqlalchemy_imperative   | 49.4 ms   | 52.3 ms                  | 1.06x slower | Significant (t=-8.20)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sqlite_synth            | 7.68 us   | 7.99 us                  | 1.04x slower | Significant (t=-7.17)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sympy_expand            | 838 ms    | 902 ms                   | 1.08x slower | Significant (t=-33.68) |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sympy_integrate         | 40.1 ms   | 40.0 ms                  | 1.00x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sympy_str               | 382 ms    | 401 ms                   | 1.05x slower | Significant (t=-21.69) |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| sympy_sum               | 183 ms    | 182 ms                   | 1.00x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| telco                   | 18.2 ms   | 17.7 ms                  | 1.02x faster | Significant (t=4.52)   |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| tornado_http            | 336 ms    | 340 ms                   | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| unpack_sequence         | 109 ns    | 109 ns                   | 1.00x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| unpickle                | 27.9 us   | 28.1 us                  | 1.01x slower | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| unpickle_list           | 6.80 us   | 7.17 us                  | 1.05x slower | Significant (t=-18.45) |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| unpickle_pure_python    | 777 us    | 770 us                   | 1.01x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| xml_etree_generate      | 257 ms    | 245 ms                   | 1.05x faster | Significant (t=11.45)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| xml_etree_iterparse     | 195 ms    | 194 ms                   | 1.00x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| xml_etree_parse         | 292 ms    | 286 ms                   | 1.02x faster | Not significant        |
+-------------------------+-----------+--------------------------+--------------+------------------------+
| xml_etree_process       | 210 ms    | 216 ms                   | 1.03x slower | Significant (t=-8.06)  |
+-------------------------+-----------+--------------------------+--------------+------------------------+