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 09:51:10 -0400 Message-ID: <5040B08A-9843-4BC2-B112-B74EE3072614@gmail.com> References: <4870CC42-A08E-4BE9-B566-0F4DA7AB0B74@gmail.com> <873ac3arbf.fsf@cyd.mit.edu> <83r5zmhf2q.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-27-21665209; micalg=sha1; protocol="application/pkcs7-signature" X-Trace: ger.gmane.org 1240321900 30021 80.91.229.12 (21 Apr 2009 13:51:40 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Apr 2009 13:51:40 +0000 (UTC) Cc: Eli Zaretskii , Chong Yidong , emacs-devel@gnu.org To: Juanma Barranquero Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 21 15:52:59 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 1LwGP3-0002oF-KJ for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 15:52:50 +0200 Original-Received: from localhost ([127.0.0.1]:38502 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwGNe-00064j-L3 for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 09:51:22 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LwGNa-00064e-0x for emacs-devel@gnu.org; Tue, 21 Apr 2009 09:51:18 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LwGNZ-00064S-GS for emacs-devel@gnu.org; Tue, 21 Apr 2009 09:51:17 -0400 Original-Received: from [199.232.76.173] (port=33190 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwGNZ-00064P-AY for emacs-devel@gnu.org; Tue, 21 Apr 2009 09:51:17 -0400 Original-Received: from yx-out-1718.google.com ([74.125.44.157]:48334) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LwGNW-0007DR-S5; Tue, 21 Apr 2009 09:51:15 -0400 Original-Received: by yx-out-1718.google.com with SMTP id 3so989360yxi.66 for ; Tue, 21 Apr 2009 06:51:14 -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=CueYLj3xCq9PNNpbX8giEnsHov20eOXasUYo6QCz5IM=; b=XZaoNt05jmT1ZOvkc2rwkudamfX4q9ZokaW6G9VAcQ0yUV/B7z8MvbbDVAyb5pphs7 b9IgbBs/RY0h+PXqAohNHisnNFOh2AP4MhziemLSFTXKXp5N2XSL09JzcrZ/0yjTdP+A HSpE1MdUTvgomzQLD9KZO05v8a1Z/+VPCnVo4= 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=V6DFBnvLUyHUI7572OT4VJD1Ckr/JHNiqeuqTzzl/9urvlYY19hLGeibp8GrtTZv3K qKNvr5oOJBZf1d81/lB+YH+REdQXru2f0+QO9hQsrBlZ3J0rICWSpz8aFnJrLXdLMvgM Xb6x3rtJr+lZtRWcVXAmizY3yTXQqj8BgdNHw= Original-Received: by 10.90.94.12 with SMTP id r12mr8936570agb.13.1240321874052; Tue, 21 Apr 2009 06:51:14 -0700 (PDT) Original-Received: from scarlett.local (pool-72-65-195-138.pitbpa.east.verizon.net [72.65.195.138]) by mx.google.com with ESMTPS id 6sm12475826agd.72.2009.04.21.06.51.11 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 21 Apr 2009 06:51:12 -0700 (PDT) In-Reply-To: X-Mailer: Apple Mail (2.930.3) X-detected-operating-system: by monty-python.gnu.org: Genre and OS details not recognized. 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:110389 Archived-At: --Apple-Mail-27-21665209 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit On Apr 21, 2009, at 8:36 AM, Juanma Barranquero wrote: > instead of once every two or three screenfuls; I just witnessed it > five or six times scrolling up to line 2,000 of lisp/ChangeLog. > Fortunately, it's not every day that I scroll hundreds of lines > line-by-line, so it is bearable. But there's no doubt there is a > performance regression with respect to Emacs 22 Is this correlated for you with font locking? Does it happen during page-wise scrolling as well? (Without redisplay-dont-pause set, it skips a lot of pages for me.) Let's say the page-wise scrolling performance under NS on my up-to- date machine is IMHO unbearable, with font-locking and tabbar enabled. --Apple-Mail-27-21665209 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 AQkFMQ8XDTA5MDQyMTEzNTExMFowIwYJKoZIhvcNAQkEMRYEFB1dLUNQ3YXciAG+T1iK2lDo8HuQ MIGFBgkrBgEEAYI3EAQxeDB2MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3Vs dGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWlu ZyBDQQIQPqyHHXeMQOurR4vwVGrnKTCBhwYLKoZIhvcNAQkQAgsxeKB2MGIxCzAJBgNVBAYTAlpB MSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUg UGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQIQPqyHHXeMQOurR4vwVGrnKTANBgkqhkiG9w0B AQEFAASBgF/ZhSWsLjYsi0ANUzJ34dpcJKUf+CcVqGBemwIllLyxp3+omSgV+LZHvHV2hP0XO110 zyWpAwKcnU1HrrY2pj56vTO5a7GwNO6gVZDk8ivlrcxAfhF183RpY8e/PF9lq8KT2jfcdyTobWM4 kdBJ7YPv7xmCLeO6yCsArWRYn0AQAAAAAAAA --Apple-Mail-27-21665209--