From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Reitter Newsgroups: gmane.emacs.devel Subject: Re: Low redisplay performance (23 regression) Date: Tue, 21 Apr 2009 16:19:36 -0400 Message-ID: References: <4870CC42-A08E-4BE9-B566-0F4DA7AB0B74@gmail.com> <873ac3arbf.fsf@cyd.mit.edu> <83r5zmhf2q.fsf@gnu.org> <83mya9hm0i.fsf@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v930.3) Content-Type: multipart/signed; boundary=Apple-Mail-34-44972038; micalg=sha1; protocol="application/pkcs7-signature" X-Trace: ger.gmane.org 1240345239 20789 80.91.229.12 (21 Apr 2009 20:20:39 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Apr 2009 20:20:39 +0000 (UTC) Cc: Juanma Barranquero , cyd@stupidchicken.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 21 22:21:56 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LwMTQ-0005GA-Oz for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 22:21:46 +0200 Original-Received: from localhost ([127.0.0.1]:54579 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwMS1-0007fh-Ob for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 16:20:17 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LwMRe-0007MM-AT for emacs-devel@gnu.org; Tue, 21 Apr 2009 16:19:54 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LwMRZ-0007Fw-9e for emacs-devel@gnu.org; Tue, 21 Apr 2009 16:19:53 -0400 Original-Received: from [199.232.76.173] (port=46136 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwMRY-0007Ff-Vh for emacs-devel@gnu.org; Tue, 21 Apr 2009 16:19:49 -0400 Original-Received: from mail-bw0-f209.google.com ([209.85.218.209]:50652) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LwMRW-0005Es-RP; Tue, 21 Apr 2009 16:19:47 -0400 Original-Received: by bwz5 with SMTP id 5so1600731bwz.42 for ; Tue, 21 Apr 2009 13:19:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:cc:message-id:from:to :in-reply-to:content-type:mime-version:subject:date:references :x-mailer; bh=E06EPVVWN+x8i5qDvmHHAyWC52lZjs/jIl81ZYvEBE0=; b=AEJcDPfOwEvzIE7wax+c61nYVez5ho1fShHdC3vHgoR0zAbNDPXpYjgvJvnJQQUSAz m2OgqFXW51NybvZ4Ab+G+8OKbS1a0j8epSI+QBPa6HPm/Q7xFsUEZnOSubXYWl/w03z7 QSx/xK4mqIgyc0qcv99UZAYkskUY9Q+Z3KTXo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=cc:message-id:from:to:in-reply-to:content-type:mime-version:subject :date:references:x-mailer; b=rNcJMrxQFexcNNHNZ45u6g79bHvUONvXeWaTzXfygmtnIYrIgsYCIdm9RgZp7W4nPi sVp17iW9zgVKV989NEqPi9CwZe2XbYjWZDFdCh2e7TVXh89g8k//yoDzlA8lh+WFvLmN BkI1jF0yk7UzlCdpuU5mMsJvP1mPZ6xEPiDCk= Original-Received: by 10.103.173.15 with SMTP id a15mr4042602mup.59.1240345184294; Tue, 21 Apr 2009 13:19:44 -0700 (PDT) Original-Received: from ?192.168.1.42? (pool-72-65-195-138.pitbpa.east.verizon.net [72.65.195.138]) by mx.google.com with ESMTPS id u26sm18387375mug.57.2009.04.21.13.19.41 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 21 Apr 2009 13:19:43 -0700 (PDT) In-Reply-To: <83mya9hm0i.fsf@gnu.org> X-Mailer: Apple Mail (2.930.3) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:110400 Archived-At: --Apple-Mail-34-44972038 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit On Apr 21, 2009, at 2:58 PM, Eli Zaretskii wrote: >> is able to scroll a large file (for example, lisp/ChangeLog) >> keeping up >> with the keyboard typematic rate without breaking a sweat. Emacs 23 >> is >> unable and every now and then resorts to recentering (which I hate). > > Is this in "emacs -Q"? Not in my case, although I'm using the same setup in 22 and 23. > Anyway, is the slow-down you see close to the OP's reported factor of > almost 3? Or is it just slow-down? Note that the most dramatic changes are due to my header line (tabbar) and also face remapping: (setq face-remapping-alist nil header-line-format nil) (NB, I have backported the face remapping functionality to 22, so I believe am comparing like for like.) Without face-remapping and header line, I estimate the slowdown is about 20% for me, a noticeable difference. --Apple-Mail-34-44972038 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIFxDCCAn0w ggHmoAMCAQICED6shx13jEDrq0eL8FRq5ykwDQYJKoZIhvcNAQEFBQAwYjELMAkGA1UEBhMCWkEx JTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAqBgNVBAMTI1RoYXd0ZSBQ ZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMB4XDTA4MTIwOTAyMDgwMVoXDTA5MTIwOTAyMDgw MVowYjEQMA4GA1UEBBMHUmVpdHRlcjEOMAwGA1UEKhMFRGF2aWQxFjAUBgNVBAMTDURhdmlkIFJl aXR0ZXIxJjAkBgkqhkiG9w0BCQEWF2RhdmlkLnJlaXR0ZXJAZ21haWwuY29tMIGfMA0GCSqGSIb3 DQEBAQUAA4GNADCBiQKBgQDOdo6kAwlkBxUb8dj4saMbYg4SVng8CUePFn3cjjWrakBTbUVa4Z0n wlUxr7AitEeKhBy5nGhu96+jKUPrCwYNRCZ0l2ovvuGq4z1m1nZ5/c8WvFlVhieuxXMUfmb/O7D3 IojoX6iS8n5MNNU2IWNNT/AD3vOl6DKgOtOw4J9y+QIDAQABozQwMjAiBgNVHREEGzAZgRdkYXZp ZC5yZWl0dGVyQGdtYWlsLmNvbTAMBgNVHRMBAf8EAjAAMA0GCSqGSIb3DQEBBQUAA4GBAIjI8yEW wkiEfA9PMgpjnD6KyCXT0iZjHhW2PkR53yZZLUoTboHnKgsFwYp/gzzIL8J5cvZaRUyMUzXDufPP dRmxxCs2jXXLDD/8bvdvOuMzqgYoFA73fAfsC8S6qUL1PayZ90J8CZHNhDwqWqOA56T+DdKUegJT sqoHKh6OnypTMIIDPzCCAqigAwIBAgIBDTANBgkqhkiG9w0BAQUFADCB0TELMAkGA1UEBhMCWkEx FTATBgNVBAgTDFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3duMRowGAYDVQQKExFUaGF3 dGUgQ29uc3VsdGluZzEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjEk MCIGA1UEAxMbVGhhd3RlIFBlcnNvbmFsIEZyZWVtYWlsIENBMSswKQYJKoZIhvcNAQkBFhxwZXJz b25hbC1mcmVlbWFpbEB0aGF3dGUuY29tMB4XDTAzMDcxNzAwMDAwMFoXDTEzMDcxNjIzNTk1OVow YjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4xLDAq BgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBMIGfMA0GCSqGSIb3DQEB AQUAA4GNADCBiQKBgQDEpjxVc1X7TrnKmVoeaMB1BHCd3+n/ox7svc31W/Iadr1/DDph8r9RzgHU 5VAKMNcCY1osiRVwjt3J8CuFWqo/cVbLrzwLB+fxH5E2JCoTzyvV84J3PQO+K/67GD4Hv0CAAmTX p6a7n2XRxSpUhQ9IBH+nttE8YQRAHmQZcmC3+wIDAQABo4GUMIGRMBIGA1UdEwEB/wQIMAYBAf8C AQAwQwYDVR0fBDwwOjA4oDagNIYyaHR0cDovL2NybC50aGF3dGUuY29tL1RoYXd0ZVBlcnNvbmFs RnJlZW1haWxDQS5jcmwwCwYDVR0PBAQDAgEGMCkGA1UdEQQiMCCkHjAcMRowGAYDVQQDExFQcml2 YXRlTGFiZWwyLTEzODANBgkqhkiG9w0BAQUFAAOBgQBIjNFQg+oLLswNo2asZw9/r6y+whehQ5aU nX9MIbj4Nh+qLZ82L8D0HFAgk3A8/a3hYWLD2ToZfoSxmRsAxRoLgnSeJVCUYsfbJ3FXJY3dqZw5 jowgT2Vfldr394fWxghOrvbqNOUQGls1TXfjViF4gtwhGTXeJLHTHUb/XV9lTzGCAo8wggKLAgEB MHYwYjELMAkGA1UEBhMCWkExJTAjBgNVBAoTHFRoYXd0ZSBDb25zdWx0aW5nIChQdHkpIEx0ZC4x LDAqBgNVBAMTI1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBJc3N1aW5nIENBAhA+rIcdd4xA66tH i/BUaucpMAkGBSsOAwIaBQCgggFvMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcN AQkFMQ8XDTA5MDQyMTIwMTkzNlowIwYJKoZIhvcNAQkEMRYEFBjrNI/dA2RebwAX84bOYDe9CxET MIGFBgkrBgEEAYI3EAQxeDB2MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3Vs dGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWlu ZyBDQQIQPqyHHXeMQOurR4vwVGrnKTCBhwYLKoZIhvcNAQkQAgsxeKB2MGIxCzAJBgNVBAYTAlpB MSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUg UGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQIQPqyHHXeMQOurR4vwVGrnKTANBgkqhkiG9w0B AQEFAASBgKN91gzTvE4guqYGYOKgbE3v+RAijXqjreSPJzTRJYxdh7hp/mUk2R2wtl2Q77PeMJi/ C8jVOBJVr/6N+0Xo3NTBFiLupZlDmAct6dHrinQJ5e9NccuSFQCa4nLu8cSOmxDv++rkwF+ZMj96 /mA38fG7XOg+LOWLIZkAg0YmX45bAAAAAAAA --Apple-Mail-34-44972038--