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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/96942] std::pmr::monotonic_buffer_resource causes CPU
 cache misses
Date: Thu, 10 Sep 2020 14:46:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96942

--- Comment #40 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Dmitriy Ovdienko from comment #38)
> Wohoooooo! Accepted:
>=20
> https://benchmarksgame-team.pages.debian.net/benchmarksgame/performance/
> binarytrees.html

Nice.

I've added some __builtin_expect hints and also changed the buffer resource=
 to
allocate multiples of 64 instead of powers of two. I don't think there's mu=
ch
more that be done here right now.=