Cover Letter Detail
Show a cover letter.
GET /api/covers/2217837/?format=api
{ "id": 2217837, "url": "http://patchwork.ozlabs.org/api/covers/2217837/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/cover/PAWPR08MB8982628586B8885115063E7B8352A@PAWPR08MB8982.eurprd08.prod.outlook.com/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<PAWPR08MB8982628586B8885115063E7B8352A@PAWPR08MB8982.eurprd08.prod.outlook.com>", "list_archive_url": null, "date": "2026-03-30T17:41:05", "name": "[0/8] Add sinf/cosf/sincosf CORE-MATH implementations", "submitter": { "id": 67598, "url": "http://patchwork.ozlabs.org/api/people/67598/?format=api", "name": "Wilco Dijkstra", "email": "Wilco.Dijkstra@arm.com" }, "mbox": "http://patchwork.ozlabs.org/project/glibc/cover/PAWPR08MB8982628586B8885115063E7B8352A@PAWPR08MB8982.eurprd08.prod.outlook.com/mbox/", "series": [ { "id": 498072, "url": "http://patchwork.ozlabs.org/api/series/498072/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=498072", "date": "2026-03-30T17:41:05", "name": "Add sinf/cosf/sincosf CORE-MATH implementations", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498072/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2217837/comments/", "headers": { "Return-Path": "<libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "libc-alpha@sourceware.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "libc-alpha@sourceware.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256\n header.s=selector1 header.b=nBhTXYKA;\n\tdkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com\n header.a=rsa-sha256 header.s=selector1 header.b=nBhTXYKA;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=38.145.34.32; helo=vm01.sourceware.org;\n envelope-from=libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org;\n receiver=patchwork.ozlabs.org)", "sourceware.org;\n\tdkim=pass (1024-bit key,\n unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256\n header.s=selector1 header.b=nBhTXYKA;\n\tdkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com\n header.a=rsa-sha256 header.s=selector1 header.b=nBhTXYKA", "sourceware.org;\n dmarc=pass (p=none dis=none) header.from=arm.com", "sourceware.org; spf=pass smtp.mailfrom=arm.com", "server2.sourceware.org;\n arc=pass smtp.remote-ip=52.101.72.1" ], "Received": [ "from vm01.sourceware.org (vm01.sourceware.org [38.145.34.32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fkz9L5p0Pz1xrn\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 31 Mar 2026 04:42:46 +1100 (AEDT)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id F1A0E4BB591B\n\tfor <incoming@patchwork.ozlabs.org>; Mon, 30 Mar 2026 17:42:44 +0000 (GMT)", "from AM0PR02CU008.outbound.protection.outlook.com\n (mail-westeuropeazon11013001.outbound.protection.outlook.com [52.101.72.1])\n by sourceware.org (Postfix) with ESMTPS id F2D504BA23EC\n for <libc-alpha@sourceware.org>; Mon, 30 Mar 2026 17:42:15 +0000 (GMT)", "from AS4P191CA0032.EURP191.PROD.OUTLOOK.COM (2603:10a6:20b:657::21)\n by AS2PR08MB9499.eurprd08.prod.outlook.com (2603:10a6:20b:60d::10)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.28; Mon, 30 Mar\n 2026 17:42:10 +0000", "from AM3PEPF0000A791.eurprd04.prod.outlook.com\n (2603:10a6:20b:657:cafe::e2) by AS4P191CA0032.outlook.office365.com\n (2603:10a6:20b:657::21) with Microsoft SMTP Server (version=TLS1_3,\n cipher=TLS_AES_256_GCM_SHA384) id 15.20.9745.28 via Frontend Transport; Mon,\n 30 Mar 2026 17:42:02 +0000", "from outbound-uk1.az.dlp.m.darktrace.com (4.158.2.129) by\n AM3PEPF0000A791.mail.protection.outlook.com (10.167.16.120) with Microsoft\n SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9745.21\n via Frontend Transport; Mon, 30 Mar 2026 17:42:09 +0000", "from PAWPR08MB8982.eurprd08.prod.outlook.com (2603:10a6:102:33f::20)\n by DU0PR08MB8346.eurprd08.prod.outlook.com (2603:10a6:10:40a::21)\n with Microsoft SMTP Server (version=TLS1_2,\n cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.28; Mon, 30 Mar\n 2026 17:41:05 +0000", "from PAWPR08MB8982.eurprd08.prod.outlook.com\n ([fe80::5821:707a:c30b:dd9a]) by PAWPR08MB8982.eurprd08.prod.outlook.com\n ([fe80::5821:707a:c30b:dd9a%5]) with mapi id 15.20.9745.027; Mon, 30 Mar 2026\n 17:41:05 +0000" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org F1A0E4BB591B", "OpenDKIM Filter v2.11.0 sourceware.org F2D504BA23EC" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org F2D504BA23EC", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org F2D504BA23EC", "ARC-Seal": [ "i=3; a=rsa-sha256; d=sourceware.org; s=key; t=1774892536; cv=pass;\n b=iX8WtE+nez5q/ZjgfaaY8yN25RdUS+CBaLQ7Oa06/B/ARsA2KkWxFLrnWl8Cj/G+YZTx2a5E3XTHcfWGcUvJmo4yjg/E/HsjnG+Ih7Z/itsjtPCTclVmm5nkfdBfOosyAHK1lTxbZu9wsa9ap3OPvgGG26Ld2TQRQnbw5psoOBs=", "i=2; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=pass;\n b=T6keLVtflCEebzHp+UAvXuuTeuhSsLJ79FCqBBiMKre8nuIRk+skcWfV+rREfi3SQm+4eWFEv5msq/VEJP0oxut0uANPYb4fEt5DcFGxupkZCXlii/pRnqZqnZYjuJjSqZ+tzqBOgmmnIBr3I3JqXqVUhsLj/DxiIOi+mchxhBqvj5Btd6Q8kpFK7+Jv2hHQwuuqvdiaAFyAplVcFu5FdkRg/poBH1ZMLQ3YycgtFK5bggr4ULjs+oAVGmGdPcGue3oerOqow1R+vHCIc+Kp/fsivGtARJ7WPhYZaPXptg06FtTjNhrs4whbltgY/3Jmn0BIrNNW5rRot10IgBqdTw==", "i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none;\n b=lCw3PGfUExnlsQDoIHcX5FwLNXLmK6A7HL+qSqwcYk5Ty6LDswQlTuk5h27WD2EYbiFZrTMAsm975mAR1rqSKI88+nyY/kxf25iX8pcBMSng64T60OKK3IforUdKrwVrqL+uyJHn7/A7fb2+06pS1Z6HZ9NDre3vkJDk5MIv8tfeQaL6x8eLjRVBXjahxDVraWYOt3PDMTo4YTGLtiEqBr2BFmWhLyAqkcKPH8eE+pqQ1wLFi2WenGnAO9VS7s7bLVGefKWOiu7SfQCFa9hGd1SoBcBFXOsp9giAA+77IwlXokdtcCK9qn5pjhM1SZUCQgWAXH37NwvrLKhMQttKmA==" ], "ARC-Message-Signature": [ "i=3; a=rsa-sha256; d=sourceware.org; s=key;\n t=1774892536; c=relaxed/simple;\n bh=v0dx1/oJ0UuV80zTmPiWLIc5nFLvfQLrdOGYRBXv5I4=;\n h=DKIM-Signature:DKIM-Signature:From:To:Subject:Date:Message-ID:\n MIME-Version;\n b=EMtIKzZEud1fWgr9SyrKblAcRkSc2mTIX5lsrYZJ8p0L/a6pnQHwrKC23BaxPojP1S2a5ckYtwekCPUtY2Qp5C8k6ICZAnm5eQv2ydMWAyVQ/t1QGqB8LUyvBe3iGetjIGRarc/qXHRprlMPzbT/0a7S2IRmELF0PU2Z2yarjwQ=", "i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=1/zMovUGEvzbrvOa4vqmQ7hxfSJFRGOBDs0VQ9H7nyM=;\n b=T1fmUIV+dJiIrajDhT7Jsx7yc8RhmNWt6vzxbO2kfFWTpA+iBI7WiUoDJl+yAkpIdHImcbmbRlky0YwEud0a2DNnX/b36VJRgd0TS0NzA25dcXIljblnY88L506/HqDydzW3oUxAQYU+NnuMI6inTVMqJxYEqhxT4IhTViZnB6Sub/XDnhNutlE7+QOWMeAU4+Yk3zorTVl4JoqjKY+pknTP/1UOgjcQNkplfGA0SdhNj192tEvs8w+0bbQG3uPnCRoTz/Wj8h439wOzFSPFxYNqLPR0ngdSLrQhViZxVHfTeDO9BPqSps+ZV2ArzHrCldT4xFO7JDOYV77ROutBiw==", "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=1/zMovUGEvzbrvOa4vqmQ7hxfSJFRGOBDs0VQ9H7nyM=;\n b=hb7Zk+402lbKg0txYu7AFfHtHmgdxvgaEdpURVAS3pfL2kFp+tIWp1c8apeQf+vW8RMDgN9wNwAT6h55b43rNfHVoIxZPpBUKqCFghAetpcz6/Lxp7k8BC6RJc4K4HkOjmjpfxhMo0kztv5QbbYPbuvMcEzGc4reTU3Ay+4/yVM3QZWoshOhER0mkUlEICMm5Dw6CSb9P/NrtWk9u2u96TTbX4HB5/RF9wsEpnK6WlrTBQsLC7dynaryjbPRKT/cwbqCxOIjirrZu5DzeF7L1/JG480gUQgZbxPyvPAtCsHLCJrdF+9ao7Ohls1pvqC9nkhxed+oflz2UQAOTdZmVw==" ], "ARC-Authentication-Results": [ "i=3; server2.sourceware.org", "i=2; mx.microsoft.com 1; spf=pass (sender ip is\n 4.158.2.129) smtp.rcpttodomain=linaro.org smtp.mailfrom=arm.com; dmarc=pass\n (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass\n (signature was verified) header.d=arm.com; arc=pass (0 oda=1 ltdi=1\n spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com]\n dmarc=[1,1,header.from=arm.com])", "i=1; mx.microsoft.com 1; spf=pass\n smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass\n header.d=arm.com; arc=none" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=1/zMovUGEvzbrvOa4vqmQ7hxfSJFRGOBDs0VQ9H7nyM=;\n b=nBhTXYKAAsG1choQCehyDWvHy7O/4rcYUtBkNgGnHMqQq6+qUp6JuxIYz+RlHBYv8V1i+4Rot2qqEeI2j24rpgFg/5ZuCSQj9wRlfDYCo8pe962UqCxEIYIRYbgQtHoZeQTwk8n9tZZfWtOpJdA8XhRPW4y2HU2c7y0gpm1f9mc=", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=1/zMovUGEvzbrvOa4vqmQ7hxfSJFRGOBDs0VQ9H7nyM=;\n b=nBhTXYKAAsG1choQCehyDWvHy7O/4rcYUtBkNgGnHMqQq6+qUp6JuxIYz+RlHBYv8V1i+4Rot2qqEeI2j24rpgFg/5ZuCSQj9wRlfDYCo8pe962UqCxEIYIRYbgQtHoZeQTwk8n9tZZfWtOpJdA8XhRPW4y2HU2c7y0gpm1f9mc=" ], "X-MS-Exchange-Authentication-Results": "spf=pass (sender IP is 4.158.2.129)\n smtp.mailfrom=arm.com; dkim=pass (signature was verified)\n header.d=arm.com;dmarc=pass action=none header.from=arm.com;", "Received-SPF": "Pass (protection.outlook.com: domain of arm.com designates\n 4.158.2.129 as permitted sender) receiver=protection.outlook.com;\n client-ip=4.158.2.129; helo=outbound-uk1.az.dlp.m.darktrace.com; pr=C", "From": "Wilco Dijkstra <Wilco.Dijkstra@arm.com>", "To": "Adhemerval Zanella <adhemerval.zanella@linaro.org>", "CC": "glibc developers <libc-alpha@sourceware.org>", "Subject": "[PATCH 0/8] Add sinf/cosf/sincosf CORE-MATH implementations", "Thread-Topic": "[PATCH 0/8] Add sinf/cosf/sincosf CORE-MATH implementations", "Thread-Index": "AQHcwGZ58Sr536JH0UiUTfrvJUxy+g==", "Date": "Mon, 30 Mar 2026 17:41:05 +0000", "Message-ID": "\n <PAWPR08MB8982628586B8885115063E7B8352A@PAWPR08MB8982.eurprd08.prod.outlook.com>", "Accept-Language": "en-GB, en-US", "Content-Language": "en-GB", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "msip_labels": "", "Authentication-Results-Original": "dkim=none (message not signed)\n header.d=none;dmarc=none action=none header.from=arm.com;", "x-ms-traffictypediagnostic": "\n PAWPR08MB8982:EE_|DU0PR08MB8346:EE_|AM3PEPF0000A791:EE_|AS2PR08MB9499:EE_", "X-MS-Office365-Filtering-Correlation-Id": "4c07e723-fc66-467c-0836-08de8e83ab04", "x-checkrecipientrouted": "true", "nodisclaimer": "true", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam-Untrusted": "BCL:0;\n ARA:13230040|1800799024|366016|376014|38070700021|18002099003|56012099003;", "X-Microsoft-Antispam-Message-Info-Original": "\n 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", "X-Forefront-Antispam-Report-Untrusted": "CIP:255.255.255.255; CTRY:; LANG:en;\n SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:PAWPR08MB8982.eurprd08.prod.outlook.com;\n PTR:; CAT:NONE;\n SFS:(13230040)(1800799024)(366016)(376014)(38070700021)(18002099003)(56012099003);\n DIR:OUT; SFP:1101;", "Content-Type": "text/plain; charset=\"iso-8859-1\"", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-Exchange-RoutingPolicyChecked": "\n pXCXuVKi3oge130PZ/w5Ncl+nu0f/GCStOEWg+1VzkLdP4/Sida0+CmYaeyjbCnjCMNIp9r2JMZh5UhuRoEvGiJ02+IqxNNakO86m9gmbJXZ1OUJhCmV9ec6bbh43NhO90O/c1P2/vXPC+qKTZneqngwiY4mTvF2YqHabGnrvxxo0z/iRxE4E9XiUehLTR9jeLejBnKpqBk+PSCDSkz0983yPCM3OiVQ5BBEBnxssKhnGnKlmAJFPCuzHfy+6rpPSSm7eK0YIbLvWrNqcIrfIcDPDDpF8ZZ6fToPN9kKN6U8BxbEfheGSpnox9X4GpfW/LKIg1iJ7uYAzO/GQ+M44Q==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": [ "DU0PR08MB8346", "AS2PR08MB9499" ], "X-EOPAttributedMessage": "0", "X-MS-Exchange-Transport-CrossTenantHeadersStripped": "\n AM3PEPF0000A791.eurprd04.prod.outlook.com", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id-Prvs": "\n 2ce577c3-9b5b-4030-e596-08de8e8384ff", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|14060799003|36860700016|376014|35042699022|1800799024|82310400026|56012099003|18002099003;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:4.158.2.129; CTRY:GB; LANG:en; SCL:1; SRV:;\n IPV:NLI; SFV:NSPM; H:outbound-uk1.az.dlp.m.darktrace.com;\n PTR:InfoDomainNonexistent; CAT:NONE;\n SFS:(13230040)(14060799003)(36860700016)(376014)(35042699022)(1800799024)(82310400026)(56012099003)(18002099003);\n DIR:OUT; SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n OlFhHdpZDIOduwkGjGnECWFlQbXSDdtKIm/+AcBYB2nqoZbLRCNa1jC2k4ckdTVEXIQjhnvAAsJbSjlUPWu4etdrxKH9q+P7XMVbk1S4UsX2clxHQjt+qnCWeo0WiFf6GRT3OU4ibpBjur0VyPJrHzfprNGVX5ZK0nh5lnX4c3Ng0gP6+S4J5ut6Xrj4yVjNOq7omcogfseFtOmQxy6RjShT8Tf+Q2Yt6yETMen9qBcyiDd9QudS8qOuYM+FHUi/AzHAUfUgTQRj8/vfZ/xEcecNt54dA+MqUhJAjjD3Kxe/D9+NHbrbcqMOL/fyLYzExkcJUvJH5aFiiHgN4Nf/yXv6wJ69UPJEn0bji+X0QH+wL8Kjrna0xWo1A1g6xFvUJN/69OwPf6Ay5UL3he84+YFHvx2wkE1bVuJP1ww5yj43P69iVm7SQs6D/vraTiZ5", "X-OriginatorOrg": "arm.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "30 Mar 2026 17:42:09.3705 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 4c07e723-fc66-467c-0836-08de8e83ab04", "X-MS-Exchange-CrossTenant-Id": "f34e5979-57d9-4aaa-ad4d-b122a662184d", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[4.158.2.129];\n Helo=[outbound-uk1.az.dlp.m.darktrace.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n AM3PEPF0000A791.eurprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-BeenThere": "libc-alpha@sourceware.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Libc-alpha mailing list <libc-alpha.sourceware.org>", "List-Unsubscribe": "<https://sourceware.org/mailman/options/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe>", "List-Archive": "<https://sourceware.org/pipermail/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-request@sourceware.org?subject=help>", "List-Subscribe": "<https://sourceware.org/mailman/listinfo/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=subscribe>", "Errors-To": "libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org" }, "content": "Hi Adhemerval,\n\nI ran these on Neoverse V2 and added my old patches with traces from a game engine.\nI'm seeing major slowdowns:\n\n sinf\tcosf\n random 45.4%\t45.2%\n large 68.0%\t53.4%\n huge 19.4%\t9.8%\nbox2d-small 58.2%\t100.2%\n box2d-hard 56.7%\t72.7%\nbox2d-mixed 52.5%\t54.4%\n\nThe box2d results are far worse since they are traces rather than randomized,\nso they run much faster due to fewer mispredictions. Latency is 2-3x lower for the\nsame reason.\n\nSo improving the benchtests with traces would be a good idea, however it seems\nthe CORE-MATH sinf/cosf implementation is significantly slower on modern cores\neven with random inputs.\n\nCheers,\nWilco" }