From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#57079: 29.0.50; Performance of seq-uniq is not very good Date: Sat, 13 Aug 2022 13:50:44 +0200 Message-ID: <87pmh4jraj.fsf@gnus.org> References: <83tu6ltlcq.fsf@gnu.org> <87y1vxwe0y.fsf@gnus.org> <83k07htjxf.fsf@gnu.org> <87o7wtwcu9.fsf@gnus.org> <83fsi5tj31.fsf@gnu.org> <87k07hwbgs.fsf@gnus.org> <838rnxti1k.fsf@gnu.org> <878rnxwayl.fsf@gnus.org> <837d3hth7r.fsf@gnu.org> <86mtcdnrad.fsf@mail.linkov.net> <878rntr49y.fsf@gnus.org> <87lertnhdc.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5849"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: Eli Zaretskii , 57079@debbugs.gnu.org, stefan@marxist.se, Juri Linkov To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Aug 13 13:51:16 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oMpff-0001Hu-6x for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oMpfA-0007GR-QI; Sat, 13 Aug 2022 13:50:46 +0200 In-Reply-To: <87lertnhdc.fsf@web.de> (Michael Heerdegen's message of "Sat, 13 Aug 2022 01:59:11 +0200") Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAgMAAAAqbBEUAAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAADFBMVEU7MjeVWmXe1cr/ //9HfuA7AAAAAWJLR0QDEQxM8gAAAAd0SU1FB+YIDQssKM4C7ZYAAAFLSURBVCjPTZFBbsIwEEX/ WEmksjJSsiBHyClsqek6SDYL1kUqOUXgBHRB11RKKuJTdmzHgBfWPM/4j/0H4FVc/I467KvhBWr1 Ao0CGS6IAFQ2wREwunsA/cwGRQAH9PNBRWiGvJktdlFzoH5usY9Nod2cUwQg70fSHwvg8wtbSsCZ LsWoL0/IAVIJysxzggLZEmYw4pbAwtC0xNSiFFOq05BikktKE8SYlCmHuD3atCh+8VRY3RJU76jH cMrvq9iMeyjvQNZCzB7eFBtocQovaBU4xjkMQimybLX+jpOoGHK6RG3qWmyyboxftp08Bvd9xpbZ vVI9SxCDovnI1kusQVvF7sLxLGSwyd2Fc4MHRTyExjkvXknQ/to7LpUw/Pv+unJ8SYOHjkPLd/7Y M7/MTvuMiePxMC2ZcqO9GreHQlacQsas2fms2DL8A0kSVvj+DBcIAAAAJXRFWHRkYXRlOmNyZWF0 ZQAyMDIyLTA4LTEzVDExOjQ0OjQwKzAwOjAw+OIotwAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMi0w OC0xM1QxMTo0NDo0MCswMDowMIm/kAsAAAAASUVORK5CYII= X-Now-Playing: Joni Mitchell's _Dog Eat Dog_: "Good Friends" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:239510 Archived-At: Michael Heerdegen writes: > I think a large amount of non-standard test functions is of the form > > (lambda (x y) (TEST (F x) (F y))) > > where TEST is a standard test function (equal or eq) and F some function > that CL calls key function. More importantly, we can use a hash table directly if TESTFN is `eq'/`equal'/`eql' (or other pre-defined hash table tests), but it didn't seem important enough. > This case can still be supported using hash tables. So I think it could > make sense to add support for an additional optional KEY argument. I think we're into cl-lib.el territory then -- seq doesn't do KEY.