From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andrey Orst Newsgroups: gmane.emacs.bugs Subject: bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples Date: Sun, 7 Feb 2021 21:52:22 +0300 Message-ID: References: <83a6shnklg.fsf@gnu.org> <838s81nhoz.fsf@gnu.org> <8335y9neut.fsf@gnu.org> <83h7mnn4y6.fsf@gnu.org> <83czxbn2dy.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="0000000000005f800405bac38e60" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30581"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 46350@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Feb 07 19:53:09 2021 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 1l8pBE-0007qz-Uz for geb-bug-gnu-emacs@m.gmane-mx.org; 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charset="UTF-8" > > I didn't ask how much time it takes Emacs to process the inputs. I > asked how much time did it take you to generate them by moving your > finger on the touchpad. I very much doubt the answer to that is 15 > sec. > Yes I was talking about me inputting scrolling events for about ~15 secs. I've rewatched the video and I'm continuously swiping over touchpad for about ~10 seconds, and Emacs updates position ~5 seconds after I stopped. > There I was talking about progressive speed turned on, as it builds up > > almost instantly with my touchpad producing 30 inputs per swipe. > > Sorry, I don't understand: what builds up? > Scrolling speed. With progressive speed turned on it is impossible to use touchpad because after single swipe the speed builds up so much resulting in point immediately jumping to beginning/end of buffer. > --0000000000005f800405bac38e60 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I didn't ask how much time it takes Emacs to process the inputs.= =C2=A0 I
asked how much time did it take you to generate them by moving your
finger on the touchpad.=C2=A0 I very much doubt the answer to that is 15 sec.

Yes I was talking about me inputting scrolling events for about ~15 sec= s. I've rewatched the video and I'm continuously swiping over touch= pad for about ~10 seconds, and Emacs updates position ~5 seconds after I st= opped.

> There I was talking about pro= gressive speed turned on, as it builds up
> almost instantly with my touchpad producing 30 inputs per swipe.

Sorry, I don't understand: what builds up?
=

Scrolling speed. With progres= sive speed turned on it is impossible to use touchpad because after single = swipe the speed builds up so much resulting in point immediately jumping to= beginning/end of buffer.
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