On 6/10/2016 12:09 PM, Victor Stinner wrote:
2016-06-10 17:09 GMT+02:00 Paul Moore <p.f.mo...@gmail.com>:Also, the way people commonly use micro-benchmarks ("hey, look, this way of writing the expression goes faster than that way") doesn't really address questions like "is the difference statistically significant".If you use the "python3 -m perf compare method1.json method2.json", perf will checks that the difference is significant using the is_significant() method: http://perf.readthedocs.io/en/latest/api.html#perf.is_significant "This uses a Student’s two-sample, two-tailed t-test with alpha=0.95."
Depending on the sampling design, a matched-pairs t-test may be more appropriate.
-- Terry Jan Reedy _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
