From: Robert Pluim <rpluim@gmail.com>
To: Mark Oteiza <mvoteiza@udel.edu>
Cc: 28302@debbugs.gnu.org
Subject: bug#28302: 26.0.50; [PATCH] Make ucs-names a hash table
Date: Thu, 31 Aug 2017 12:05:46 +0200 [thread overview]
Message-ID: <871snscarp.fsf@gmail.com> (raw)
In-Reply-To: <87r2vsqqeo.fsf@holos> (Mark Oteiza's message of "Thu, 31 Aug 2017 01:04:15 -0400")
Mark Oteiza <mvoteiza@udel.edu> writes:
> Hi,
>
> I seem to remember there having been complaints about ucs-names preview
> being slow. I was curious about how much of that time was spent
> assoc'ing every element of a roughly n = 42k element long alist, and so
> tried making it a hash table instead. The result is a drastic speedup
> of C-x 8 RET TAB, presumably this makes the operation O(n) vs O(n^2).
I haven't timed it exactly, but it makes a *very* noticeable
difference here. Thanks for this.
Regards
Robert
next prev parent reply other threads:[~2017-08-31 10:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-31 5:04 bug#28302: 26.0.50; [PATCH] Make ucs-names a hash table Mark Oteiza
2017-08-31 10:05 ` Robert Pluim [this message]
2017-08-31 14:01 ` Eli Zaretskii
2017-08-31 14:00 ` Eli Zaretskii
2017-08-31 14:46 ` Mark Oteiza
2017-08-31 21:30 ` Mark Oteiza
2017-08-31 22:15 ` Drew Adams
2017-09-01 6:23 ` Eli Zaretskii
2017-09-01 10:43 ` Thien-Thi Nguyen
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