Message285122
no_small_stack-2.patch has a very bad impact on performances:
haypo@speed-python$ python3 -m perf compare_to 2017-01-04_12-02-default-ee1390c9b585.json no_small_stack-2_refee1390c9b585.json -G --min-speed=5
Slower (59):
- telco: 15.7 ms +- 0.5 ms -> 23.4 ms +- 0.3 ms: 1.49x slower (+49%)
- scimark_sor: 393 ms +- 6 ms -> 579 ms +- 10 ms: 1.47x slower (+47%)
- json_loads: 56.9 us +- 0.9 us -> 83.1 us +- 2.4 us: 1.46x slower (+46%)
- unpickle_pure_python: 698 us +- 10 us -> 984 us +- 10 us: 1.41x slower (+41%)
- scimark_lu: 424 ms +- 22 ms -> 585 ms +- 33 ms: 1.38x slower (+38%)
- chameleon: 22.4 ms +- 0.2 ms -> 30.8 ms +- 0.3 ms: 1.38x slower (+38%)
- xml_etree_generate: 212 ms +- 3 ms -> 291 ms +- 4 ms: 1.37x slower (+37%)
- xml_etree_process: 177 ms +- 3 ms -> 240 ms +- 3 ms: 1.35x slower (+35%)
- raytrace: 1.04 sec +- 0.01 sec -> 1.40 sec +- 0.02 sec: 1.35x slower (+35%)
- logging_simple: 27.9 us +- 0.4 us -> 37.4 us +- 0.5 us: 1.34x slower (+34%)
- pickle_pure_python: 1.02 ms +- 0.01 ms -> 1.37 ms +- 0.02 ms: 1.34x slower (+34%)
- logging_format: 33.3 us +- 0.4 us -> 44.5 us +- 0.7 us: 1.34x slower (+34%)
- xml_etree_iterparse: 195 ms +- 5 ms -> 259 ms +- 7 ms: 1.32x slower (+32%)
- chaos: 236 ms +- 3 ms -> 306 ms +- 3 ms: 1.30x slower (+30%)
- regex_compile: 380 ms +- 3 ms -> 494 ms +- 5 ms: 1.30x slower (+30%)
- pathlib: 42.3 ms +- 0.5 ms -> 55.0 ms +- 0.6 ms: 1.30x slower (+30%)
- django_template: 364 ms +- 5 ms -> 471 ms +- 4 ms: 1.29x slower (+29%)
- call_method: 11.2 ms +- 0.2 ms -> 14.4 ms +- 0.2 ms: 1.29x slower (+29%)
- hexiom: 18.4 ms +- 0.2 ms -> 23.7 ms +- 0.2 ms: 1.29x slower (+29%)
- call_method_slots: 11.0 ms +- 0.3 ms -> 14.1 ms +- 0.1 ms: 1.28x slower (+28%)
- richards: 147 ms +- 4 ms -> 188 ms +- 5 ms: 1.28x slower (+28%)
- html5lib: 207 ms +- 7 ms -> 262 ms +- 6 ms: 1.27x slower (+27%)
- genshi_text: 71.5 ms +- 1.3 ms -> 90.3 ms +- 1.1 ms: 1.26x slower (+26%)
- deltablue: 14.2 ms +- 0.2 ms -> 17.9 ms +- 0.4 ms: 1.26x slower (+26%)
- genshi_xml: 164 ms +- 2 ms -> 207 ms +- 3 ms: 1.26x slower (+26%)
- sympy_str: 429 ms +- 5 ms -> 539 ms +- 4 ms: 1.25x slower (+25%)
- go: 493 ms +- 5 ms -> 619 ms +- 7 ms: 1.25x slower (+25%)
- mako: 35.4 ms +- 1.5 ms -> 44.2 ms +- 1.2 ms: 1.25x slower (+25%)
- sympy_expand: 959 ms +- 10 ms -> 1.19 sec +- 0.01 sec: 1.24x slower (+24%)
- nqueens: 215 ms +- 2 ms -> 268 ms +- 1 ms: 1.24x slower (+24%)
(...)
Benchmark ran on speed-python with PGO+LTO, Linux configured for benchmarks using python3 -m perf system tune. |
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Date |
User |
Action |
Args |
2017-01-10 15:03:59 | vstinner | set | recipients:
+ vstinner, python-dev, serhiy.storchaka, xiang.zhang |
2017-01-10 15:03:59 | vstinner | set | messageid: <1484060639.71.0.672568264809.issue28870@psf.upfronthosting.co.za> |
2017-01-10 15:03:59 | vstinner | link | issue28870 messages |
2017-01-10 15:03:58 | vstinner | create | |
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