On Tue, Nov 23, 2021 at 3:15 PM Antoine Pitrou <anto...@python.org> wrote:
> On Tue, 23 Nov 2021 18:00:28 +0100 > Victor Stinner <vstin...@python.org> wrote: > > > I didn't run benchmarks on Python built in release mode, since gcc -O3 > > with LTO and PGO should inline all static inline functions and I don't > > expect any difference between macros and static inline functions. > > That would actually be interesting, since there can be surprises > sometimes with compilers... (function inlining depends on heuristics, > for example, and there may be positive or negative interactions with > other optimizations) > Thanks Antoine. We definitely need to push back on such "expectations" and turn them into facts by performing careful measurements. Surprises lurk everywhere. See e.g. https://github.com/faster-cpython/ideas/issues/109#issuecomment-975619113 (and watch the Emery Berger video linked there if you haven't already). -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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