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: NextStep port is in bad shape Date: Mon, 4 May 2009 17:58:32 -0400 Message-ID: <5C2B30D1-59E7-40D1-866B-3EA70CC0B568@gmail.com> References: <005B7935-3DF1-4827-A507-6F83D8615626@digg.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v930.3) Content-Type: multipart/signed; boundary=Apple-Mail-42--973375825; micalg=sha1; protocol="application/pkcs7-signature" X-Trace: ger.gmane.org 1241474371 17447 80.91.229.12 (4 May 2009 21:59:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 4 May 2009 21:59:31 +0000 (UTC) Cc: 2530@emacsbugs.donarmstrong.com, Emacs-Devel devel To: Ian Eure Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon May 04 23:59:20 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 1M16Bw-00025g-10 for ged-emacs-devel@m.gmane.org; Mon, 04 May 2009 23:59:16 +0200 Original-Received: from localhost ([127.0.0.1]:44877 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M16Bv-00057O-Lf for ged-emacs-devel@m.gmane.org; Mon, 04 May 2009 17:59:15 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M16BM-0004tW-FK for emacs-devel@gnu.org; Mon, 04 May 2009 17:58:40 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M16BL-0004sV-17 for emacs-devel@gnu.org; Mon, 04 May 2009 17:58:39 -0400 Original-Received: from [199.232.76.173] (port=51931 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M16BK-0004rz-88 for emacs-devel@gnu.org; Mon, 04 May 2009 17:58:38 -0400 Original-Received: from qw-out-1920.google.com ([74.125.92.147]:19816) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1M16BJ-0005eb-PX for emacs-devel@gnu.org; Mon, 04 May 2009 17:58:37 -0400 Original-Received: by qw-out-1920.google.com with SMTP id 4so3097260qwk.24 for ; Mon, 04 May 2009 14:58:37 -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=HAguLaAc+RPtuZV38lyawZ9+y8itHIQa1m6nKilROok=; b=upC+3saykPCGSgY8256JH03PaJ3xq+BF16Z5Wf9lPHAi6jtq7U0vizUnEpjYnwC0Xc kigAtz1ph3r52g7xJ286SHk+ha96dcQ40o77SXe5g74OIiIF2RACcSsPZPfC9GZOde// etNvEAk7Y1UihgaVePdPNcmKAizdevmmYKLbs= 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=hQjYkmB77hI6VaxzftYeORHJf+I5xfb4kQj5vHti3c7MjKWlm8HY9Sr9mFk7xU3Rek 7OXhaIywD3KEB4EVFPn0fqHYNNeWbjDC8Iw0EVO7EE45ZLmnQ9ibIebHUiKiRn5AsPUj 1vI1wWw7poM3ImfNaEaM6ReJudp2CbN0TjHD0= Original-Received: by 10.224.54.75 with SMTP id p11mr6436301qag.207.1241474317156; Mon, 04 May 2009 14:58:37 -0700 (PDT) Original-Received: from scarlett.local (pool-71-162-19-47.pitbpa.east.verizon.net [71.162.19.47]) by mx.google.com with ESMTPS id 34sm1215007yxl.35.2009.05.04.14.58.34 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 04 May 2009 14:58:36 -0700 (PDT) In-Reply-To: <005B7935-3DF1-4827-A507-6F83D8615626@digg.com> 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:110652 Archived-At: --Apple-Mail-42--973375825 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Hi Ian, On May 4, 2009, at 4:06 PM, Ian Eure wrote: > The main issue is performance. It's _really_ slow. In particular, > using Flyspell makes it really horrible to use (#2056). There also > seem to be problems with slow redrawing. If you highlight a URL in > ERC with the mouse, then move point across it, you can see it lag > and redraw the entire highlighted region. Drawing a highlight over a > multi-line area is so slow that you can watch it draw. > > In general, it just doesn't feel like it's ready for a stable > release. Are these issues known and is someone working on them? Yes, the issue has been known for a long time. http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=2530 To reproduce: Emacs -Q type: load-history C-j move mouse cursor over output. The last message about this come from Adrian Roberts, on Apr 23: >> On Apr 20, 2009, at 11:46 PM, David Reitter wrote: > >> Does anyone have an idea how to fix issue 2530? I think this >> slowness is quite painful. In my case, it is the tabbar.el variant >> that I'm using that causes this - I'm using several overlays (for a >> tab-close button, for instance) that get redrawn one by one. I >> would imagine that this will annoy users in other use cases as well. > > Or to ask it another way, is there any reason anyone can think of > that redisplay would force calls through the x_draw_glyph_string > pathway once for every character when overlays are present? --Apple-Mail-42--973375825 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 AQkFMQ8XDTA5MDUwNDIxNTgzM1owIwYJKoZIhvcNAQkEMRYEFCZXARBA+YvBRgo7nsAG/JaQDRrg MIGFBgkrBgEEAYI3EAQxeDB2MGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3Vs dGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWlu ZyBDQQIQPqyHHXeMQOurR4vwVGrnKTCBhwYLKoZIhvcNAQkQAgsxeKB2MGIxCzAJBgNVBAYTAlpB MSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMSwwKgYDVQQDEyNUaGF3dGUg UGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQQIQPqyHHXeMQOurR4vwVGrnKTANBgkqhkiG9w0B AQEFAASBgC/p05Ir8AkIe+2rPIXyzYkUIr6QCt6eEEoXWfqmJvd9vuPhdgukLyeCAhNwIr2DRsA1 3ZDuBTEOG5Twx5jY+P2vrNocxXGWdC20lQSq0Uz6fEDT/s7W2qF2IjOqKGb2+qHuvrd4dMa+FLVR paqRuQ7SPuUqlYTh5gYxD89bpvc2AAAAAAAA --Apple-Mail-42--973375825--