From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on20700.outbound.protection.outlook.com [IPv6:2a01:111:f400:7eae::700]) by sourceware.org (Postfix) with ESMTPS id 0024B384FB5C for ; Mon, 20 Feb 2023 19:45:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0024B384FB5C Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=cornell.edu Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=cornell.edu ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Yh7O2HwZk1fB0so24Uh+YlEpuIV06vGqpHUktjdpdJc4cVN8QbK3zdaXErUIgilip2zxH7U7qHfzojTjo9z83kWgdMWtNgvDZtWhOoR+ZHN7yUIaukDKdFubElsCzohC3pwz5uTrRmJEu3Fbu62DsPNcuDaXVFnRdtHZDP8wO9gjuiKsGDaYPNZbWjl7u+wKmVMRq8t6eoB02ilNqnfGT2dfH0GvnT3Tq51oBIPv6NDBUeHOw1C4RbDdSb7ZnBRipeYFDiUrK31HjOBiCCq+jiulZDeWOmlLAlCSu4SYqms3o3jcw3XCurON73B8R+PN7jNSDnQcEPndrwRYC7i3Dw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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; bh=wZfzmVDt8OCj6t8237b/9iUM3HiXs44DnCC0Yzy8Peg=; b=KVjlcR7n/tgvyKcXp+FgkRX/XQHT72J4Mj0HFqeOKZovbJitvRyT+a39OuWSV6U6SPONTRqZ1IejXXQhZphWpd30eM6pcvmV/RHRqxBdpnBQXR0W4ThykypjUpATn8IkyQyVAHnvDLdo+bDkdnd57/hEUE9Tp8e8G7ctYJ3hf10fwybO04CsJdeq6uZJhU/Not1P9ChjM7TZmKTPejWMH+zu3YxSr7WqYblMZEJy8CXF67x9KjcFEGlIhAD+/s1Mh10y5gEfMkdrwZnW9/+DiiQi39+/2BZsC72seVpO5xnf3OyNJgHKeZpYME4vAvaOyFVsLfRoWfDTpmWcR7V4TQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cornell.edu; dmarc=pass action=none header.from=cornell.edu; dkim=pass header.d=cornell.edu; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cornell.edu; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wZfzmVDt8OCj6t8237b/9iUM3HiXs44DnCC0Yzy8Peg=; b=MhBAmfzY4l0284mSqwzc/0vGGsGcDeoSEff39GdZ+onex+4WQyu9t/bFegbKVrArqmRLi23yQ+RvYN9Uw0x8HjMkkDOG6UQZfS50BhT0W1fDpNBFLxrygY6PbUEWgA1glDrOVP1LAQyEA9u6yPg+VNeipw9PXX6d07xJF0OXWCg= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=cornell.edu; Received: from SA0PR04MB7322.namprd04.prod.outlook.com (2603:10b6:806:e2::7) by BL3PR04MB7979.namprd04.prod.outlook.com (2603:10b6:208:346::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.20; Mon, 20 Feb 2023 19:45:08 +0000 Received: from SA0PR04MB7322.namprd04.prod.outlook.com ([fe80::317b:fc3c:1a1b:db7]) by SA0PR04MB7322.namprd04.prod.outlook.com ([fe80::317b:fc3c:1a1b:db7%9]) with mapi id 15.20.6111.020; Mon, 20 Feb 2023 19:45:07 +0000 Message-ID: Date: Mon, 20 Feb 2023 14:45:04 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 From: Ken Brown Subject: Re: Heads up: Problems with parallel make To: cygwin-apps@cygwin.com References: <9c9fb865-5f11-67ec-81a5-9c1ee37b5ee1@cornell.edu> <871214fe-aa00-5c51-7145-82737e830fcc@Shaw.ca> <6c9c801e-7ec6-5093-afd7-8111fc4692a3@Shaw.ca> <6876bcc9-3747-1a7e-bab8-c89ba7a39cc8@cornell.edu> <4891b215-8bbc-431a-db83-f2c980538ffd@gmail.com> <87o7poxof0.fsf@Rainer.invalid> <39257fa6-df12-41d0-57fa-e26113a8efc6@cornell.edu> <02cfd113-9e50-7ac9-29f2-0e09eba50f84@gmail.com> <6558e650-14af-0590-f941-abe1ae22b8aa@gmail.com> Content-Language: en-US In-Reply-To: <6558e650-14af-0590-f941-abe1ae22b8aa@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: MN2PR10CA0024.namprd10.prod.outlook.com (2603:10b6:208:120::37) To SA0PR04MB7322.namprd04.prod.outlook.com (2603:10b6:806:e2::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA0PR04MB7322:EE_|BL3PR04MB7979:EE_ X-MS-Office365-Filtering-Correlation-Id: a774f605-5046-4849-811b-08db137af827 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA0PR04MB7322.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(4636009)(396003)(346002)(366004)(376002)(136003)(39860400002)(451199018)(38100700002)(2906002)(186003)(6512007)(26005)(41300700001)(6666004)(31686004)(6506007)(53546011)(2616005)(5660300002)(8936002)(478600001)(786003)(75432002)(316002)(6486002)(86362001)(66946007)(8676002)(66556008)(6916009)(31696002)(66476007)(36756003)(83380400001)(41320700001)(43740500002)(45980500001);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?cEdxY3JvK1NFR1R1aURnM3ZZMWlJeXBlQzlCaGRWNEN3eHB3dlRzOEpVZVc5?= =?utf-8?B?Z2o0QVVCTDlFSnF3ZDV6OVhpZUFYdHZpdmlFQTJDTTlhQXVyWUxMMWhVTHFD?= =?utf-8?B?enBpRzlaaGZxT0xaRzZBdGVCY1RzN3o1dzBCckk4bktZdnZRZXFTZm9WbXZF?= =?utf-8?B?OE83bGVvOXphUGRkOThzM01mMUY4UEt3Q2ZLTmRSYVUzRmMxbUhSQWRtN2c1?= =?utf-8?B?QkhvajVIRFo5TmUySnF4a1Q2NVNLZmNNUWhaNE52N0ZhQ2VJUXE3ZXdJRnNq?= =?utf-8?B?SFU4bm1zZ0ppQlR6b3BlaFRMTjB5YWY4SVorWWpwa2RTQXVzV2gra0hEVmd4?= =?utf-8?B?dm5GR2d3VjFaNG5FTlRWTGkzYk56d0ZoN2JpYmVRNXFJTTNGUXUybEFzbjdo?= =?utf-8?B?RTh6Y0lpOVFMTmlxTEFLV0J1V0ZWeEY2ZFQ0bEdDMW5ob0hVbjVYci9OYkFM?= =?utf-8?B?RiswYi9LYkpUa0daMkFPV2lyYjhnSkhsOEV3R3Z1V3g4RllVWTVKaU0rZ0Zo?= =?utf-8?B?b3VUTEVPSVFRS2xab2sxKzlabkkzQUU1akFzdjdGS1ZBNFRiWXhKdFdJTTFO?= =?utf-8?B?TVJDTVhOSVkzbWRYRkVkSnl6MXR0YXBsVmRwMSs1MWdMRnY1Nm9rVG51dlRw?= =?utf-8?B?NHh2OVExUEFWUlFRdmtBZUJTWGJJbU12c0VocnduNE8vRVNxcC9NN3QrUTVH?= =?utf-8?B?aHFiMEZwNW9NRnJocnhhdFp6U05XVHUwZlFzbVk4RXNuRVI5Nm5Zd21QalIy?= =?utf-8?B?c1JFcEJadWxlQ1ZYejNPS2JwR1FjYW1NUCt2L1EvZ3IwTjFQTGw5SkQ5TzVX?= =?utf-8?B?YVdTTXRoYi9HcmMrTkc3eng3NnptMWxVc1FCbHJLL0tOUHdZZFJyMXJCTXJC?= =?utf-8?B?SFZVNHVMUS9vYnNXVzNELzkycHJJZVdCejIzUGdROGY4WGI1UGNvOGRrQjlx?= =?utf-8?B?SHYxTzhpUjQrelczT2RIRjZocG5lcFNTSzh4R0kyWVJYWmkzaFZjQUtEZUps?= =?utf-8?B?a3JLMXVLT01UMlh2cXJjWjBFL1hVamcyVGpGM2ZHcGpuOWY4NFBiL2UwZjlY?= =?utf-8?B?TUFLalZsZStBTjdmU3BlNU1TbDJjZk4xU1RXajcyZDVpVkM1WmJoWnQvajBS?= =?utf-8?B?aTl0MjlhZmF0QWhJamZ2bGIwSzB3K1BGOEUvK3M5LzdlQ282NGJydzN3YUJJ?= =?utf-8?B?T0lqdjhRc2MxUTFVOVRXWVhFRThDM3k3WUNsaG80NnhQVmpXNUdkSDlVTStT?= =?utf-8?B?a3VaQ3ltNDN4QzF3ZWlCUnZKbUtvaTlQNWZWakRPczdSemVoanRJRjRtUUQ5?= =?utf-8?B?VHd2dC9VYnovNDRJZE9nU3VkaUZjdUFmUVphdlV2clV1TVBPb3pHbUNTWHVn?= =?utf-8?B?S0huVjI2elU3cTBic01MWi9LYzFocnhmbjRWcTdPWis5VWJIRm9zQWlyTjQw?= =?utf-8?B?Y09ma3V4MWFLbFJ1TS9MeUtiTjgrYTNlbisxbnJQMUdEOVIwZUJNMThjQjI2?= =?utf-8?B?Nk1wODN3d2RyYWpZMlI3WXA5NTFmeXhDTzNGampjUUZ6TzB1R1Ztdk5qZWlJ?= =?utf-8?B?YzdXVjlzR1JPdGVCTzNYeW50ZDJ5ZjYrVlBHeWJBTFpSQyt6aWpTZ2RVdXVF?= =?utf-8?B?aFpQRi9QMlpHVEw1N2dHRm9vc25QWmpNSHJEY1hDbW5EQWJVbS9Vczd3ZTNP?= =?utf-8?B?cEtZc2FFYVE5dmVJQVo1dTE5TVl1dmdZTHVyTVBMVWYxQzlDSThZVlBSRTMw?= =?utf-8?B?ZTRCOHVBM29LcnZ5eldDVm9XU1dBYWQ0YWFWM1RpaXRTdHNYd0kySk5Ec2pU?= =?utf-8?B?eDA5NzlDS1RHMVdoSElhTHh1M3J3bW12cDJhMHlwSU43OHhsdE1aMnlyVDNl?= =?utf-8?B?dlY0VXFZWjZ0ZDNpOEZiVy9PdTZsRHJQLzZIekV3cDF2YU54Rm0rdTBuV1Q5?= =?utf-8?B?Z3dmWnI5MlFHbFE2Qml6MTNYb093d3FWVTdqVlVWY0g1Ylk4VGE4b0ZrakF1?= =?utf-8?B?b3lIemJ6eEUvRlZmRnR3QkxnNGdoNjlHOGVERHNOYVdsUkJZaWVzWlhTMFVx?= =?utf-8?B?TEpFS3BUdUlISDBLU1o0bGdLMUU0TENjUzZIaHdSOG1sMEdpK1Z2a3hoWVpv?= =?utf-8?Q?uYAsNZ66XDJG4ODX+r4pcp/6i?= X-OriginatorOrg: cornell.edu X-MS-Exchange-CrossTenant-Network-Message-Id: a774f605-5046-4849-811b-08db137af827 X-MS-Exchange-CrossTenant-AuthSource: SA0PR04MB7322.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Feb 2023 19:45:07.7082 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5d7e4366-1b9b-45cf-8e79-b14b27df46e1 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: CVgn2roD84TxjMaWuoXVnjoUMU/WNbL2mkOWLb63mp+3itCLbOiES3r3nlzIFaCXFfHywUXXMg4VmjIq4XOALA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR04MB7979 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,JMQ_SPF_NEUTRAL,NICE_REPLY_A,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 2/20/2023 2:12 PM, Marco Atzeri via Cygwin-apps wrote: > > > On 20.02.2023 18:34, Marco Atzeri wrote: >> On 20.02.2023 18:14, Ken Brown via Cygwin-apps wrote: >>> On 2/20/2023 12:00 PM, Achim Gratz via Cygwin-apps wrote: >>>> Ken Brown via Cygwin-apps writes: >>>>> Thanks, Marco.  As expected, that fixes the problem for my test case >>>>> (building TeX Live).  Obviously it would be better if the make >>>>> developers would provide a configure option to use a pipe for the >>>>> jobserver, but this is a good workaround if they don't. >>>> >>>> Does it actually do a parallel build?  I've quickly tested a cmake >>>> based >>>> project with it and it completely serializes the build.  Reverting to >>>> 4.4 resolves that problem. >> > > uploaded as test 4.4.0.91-1 > > > following message is still present while missing in 4.4-1 > >> make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent >> make rule. >> > > and I do not see clear evidence of parallelism like in 4.4-1 > >>> >>> It does for my build of TeX Live.  I just tried 'make -j13 check', >>> and I saw many make processes and many sh processes running at once. >>> [But I'm currently testing a self-built make 4.4.0.91.] >>> >>> Ken >> > > How are you configuring your build ? Just a plain vanilla build, no configure options. Ken