From: Eli Zaretskii <eliz@gnu.org>
To: Alex Gramiak <agrambot@gmail.com>
Cc: 35321@debbugs.gnu.org
Subject: bug#35321: [PATCH] * src/bytecode.c (exec_byte_code) Unroll Blist3 and Blist4
Date: Fri, 19 Apr 2019 23:49:13 +0300 [thread overview]
Message-ID: <83v9z9bu0m.fsf@gnu.org> (raw)
In-Reply-To: <877ebp91ro.fsf@gmail.com> (message from Alex Gramiak on Fri, 19 Apr 2019 14:30:03 -0600)
> From: Alex Gramiak <agrambot@gmail.com>
> Cc: 35321@debbugs.gnu.org
> Date: Fri, 19 Apr 2019 14:30:03 -0600
>
> > Does this produce any tangible performance gains?
>
> It seems to be within error. I was just in the byte compiler recently
> and saw that Blist3/4 don't use list3/4 like Blist2 uses list2. If
> you're worried about touching older code for little gain, then I guess
> it's safer to leave it alone.
Is there any reason other than performance to make the change?
Also, are Blist3/4 used frequently enough to justify the change?
next prev parent reply other threads:[~2019-04-19 20:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-19 14:41 bug#35321: [PATCH] * src/bytecode.c (exec_byte_code) Unroll Blist3 and Blist4 Alex Gramiak
2019-04-19 15:08 ` Eli Zaretskii
2019-04-19 20:30 ` Alex Gramiak
2019-04-19 20:49 ` Eli Zaretskii [this message]
2019-04-19 21:31 ` Alex Gramiak
2019-04-20 6:20 ` Eli Zaretskii
2019-04-20 20:05 ` Stefan Monnier
2019-05-03 8:41 ` Eli Zaretskii
2019-06-23 17:36 ` Lars Ingebrigtsen
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