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From: | Lars Ingebrigtsen |
Subject: | bug#57079: 29.0.50; Performance of seq-uniq is not very good |
Date: | Tue, 09 Aug 2022 19:23:10 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes: >> delete-dups is destructive. You can copy the list first, of course, but >> seq-uniq should be much faster than it is. > > How much faster? Using copy-sequence and delete-dups is 7 times > faster here than seq-uniq and twice faster than > gnus-delete-duplicates. I didn't claim that seq-uniq will be faster than copy + delete-dups; I just said that it's unnecessarily slow.
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