On 14.10.2020 16:14, Antoine Pitrou wrote: > Le 14/10/2020 à 15:16, Pablo Galindo Salgado a écrit : >> Hi! >> >> I have updated the branch benchmarks in the pyperformance server and now >> they include 3.9. There are >> some benchmarks that are faster but on the other hand some benchmarks >> are substantially slower, pointing >> at a possible performance regression in 3.9 in some aspects. In >> particular some tests like "unpack sequence" are >> almost 20% slower. As there are some other tests were 3.9 is faster, is >> not fair to conclude that 3.9 is slower, but >> this is something we should look into in my opinion. >> >> You can check these benchmarks I am talking about by: >> >> * Go here: https://speed.python.org/comparison/ >> * In the left bar, select "lto-pgo latest in branch '3.9'" and "lto-pgo >> latest in branch '3.8'" >> * To better read the plot, I would recommend to select a "Normalization" >> to the 3.8 branch (this is in the top part of the page) >> and to check the "horizontal" checkbox. > Those numbers tell me that it's a wash. I wouldn't worry about a small > regression on a micro- or mini-benchmark while the overall picture is > stable.
Well, there's a trend here: Those two benchmarks were somewhat faster in Py3.7 and got slower in 3.8 and then again in 3.9, so this is more than just an artifact. -- Marc-Andre Lemburg eGenix.com Professional Python Services directly from the Experts (#1, Oct 14 2020) >>> Python Projects, Coaching and Support ... https://www.egenix.com/ >>> Python Product Development ... https://consulting.egenix.com/ ________________________________________________________________________ ::: We implement business ideas - efficiently in both time and costs ::: eGenix.com Software, Skills and Services GmbH Pastor-Loeh-Str.48 D-40764 Langenfeld, Germany. CEO Dipl.-Math. Marc-Andre Lemburg Registered at Amtsgericht Duesseldorf: HRB 46611 https://www.egenix.com/company/contact/ https://www.malemburg.com/
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