From: Paul Eggert <eggert@cs.ucla.edu>
To: Andrea Corallo <acorallo@gnu.org>, emacs-devel@gnu.org
Subject: Re: master 8c81818673a 6/7: Tune volatile in read_char
Date: Sat, 17 Aug 2024 11:17:40 -0700 [thread overview]
Message-ID: <ca4b110f-62fe-4d1c-9eb1-1313b653610b@cs.ucla.edu> (raw)
In-Reply-To: <yp1wmkffax9.fsf@fencepost.gnu.org>
On 2024-08-17 08:04, Andrea Corallo wrote:
> Also wanted to ask, is this a performance optimization?
Yes, the idea is to keep the recently-read c in a register rather than
always referring to RAM. Admittedly a minor optimization these days.
next prev parent reply other threads:[~2024-08-17 18:17 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <172386820621.30556.15409337288904485218@vcs2.savannah.gnu.org>
[not found] ` <20240817041648.A6687C2BC66@vcs2.savannah.gnu.org>
2024-08-17 15:04 ` master 8c81818673a 6/7: Tune volatile in read_char Andrea Corallo
2024-08-17 17:03 ` Pip Cet
2024-08-17 18:16 ` Paul Eggert
2024-08-17 18:17 ` Paul Eggert [this message]
2024-08-18 7:39 ` Andrea Corallo
2024-08-18 21:39 ` Paul Eggert
2024-08-18 21:57 ` Sam James
2024-08-18 22:03 ` Paul Eggert
2024-08-19 14:43 ` Andrea Corallo
2024-08-19 15:01 ` Eli Zaretskii
2024-08-19 15:32 ` Pip Cet
2024-08-19 15:44 ` Eli Zaretskii
2024-08-19 16:01 ` Pip Cet
2024-08-19 16:15 ` Eli Zaretskii
2024-08-19 18:59 ` Paul Eggert
2024-08-19 19:27 ` Eli Zaretskii
2024-08-19 19:05 ` Pip Cet
2024-08-19 19:29 ` Eli Zaretskii
2024-08-19 19:43 ` Paul Eggert
2024-08-19 20:08 ` Pip Cet
2024-08-19 22:20 ` Paul Eggert
2024-08-19 23:40 ` Pip Cet
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