That's why I suggested to add new benchmark. 2018年6月19日(火) 22:22 Ivan Levkivskyi <levkivs...@gmail.com>:
> On 19 June 2018 at 13:02, Nick Coghlan <ncogh...@gmail.com> wrote: > >> On 19 June 2018 at 16:12, INADA Naoki <songofaca...@gmail.com> wrote: >> > >> > On Tue, Jun 19, 2018 at 2:56 PM Jeroen Demeyer <j.deme...@ugent.be> >> wrote: >> >> >> >> On 2018-06-18 16:55, INADA Naoki wrote: >> >> > Speeding up most python function and some bultin functions was very >> >> > significant. >> >> > But I doubt making some 3rd party call 20% faster can make real >> >> > applications significant faster. >> >> >> >> These two sentences are almost contradictory. I find it strange to >> claim >> >> that a given optimization was "very significant" in specific cases >> while >> >> saying that the same optimization won't matter in other cases. >> > >> > >> > It's not contradictory because there is basis: >> > >> > In most real world Python application, number of calling Python >> methods or >> > bulitin functions are much more than other calls. >> > >> > For example, optimization for bulitin `tp_init` or `tp_new` by FASTCALL >> was >> > rejected because it's implementation is complex and it's performance >> gain is >> > not significant enough on macro benchmarks. >> > >> > And I doubt number of 3rd party calls are much more than calling builtin >> > tp_init or tp_new. >> >> I don't think this assumption is correct, as scientific Python >> software spends a lot of time calling other components in the >> scientific Python stack, and bypassing the core language runtime >> entirely. >> >> > A recent Python survey by PSF/JetBrains shows that almost half of current > Python > users are using it for data science/ML/etc. For all these people most of > the time is spent > on calling C functions in extensions. > > -- > Ivan > > >
_______________________________________________ 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
