Date: Sun, 25 Dec 2016 19:28:49 +0100 From: David Chisnall <theraven@FreeBSD.org> To: Nikolai Lifanov <lifanov@FreeBSD.org> Cc: freebsd-toolchain@freebsd.org Subject: Re: status of WITH_SHARED_TOOLCHAIN Message-ID: <0CE94850-0B5C-4270-94C7-F7F83BB0552B@FreeBSD.org> In-Reply-To: <73e81366-b932-053e-aebf-f8eaebd8ab5a@FreeBSD.org> References: <73e81366-b932-053e-aebf-f8eaebd8ab5a@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
--Apple-Mail=_9F59DD42-FEE5-45BD-87CF-283D7D5C919D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On 25 Dec 2016, at 19:21, Nikolai Lifanov <lifanov@FreeBSD.org> wrote: >=20 > Hi list, >=20 > I would like to understand why WITH_SHARED_TOOLCHAIN is not the = default. > My Raspberry Pi 3 is self-hosting with -j4 and doesn't run out of = memory > if the toolchain is shared. Is there a downside to this option? Yes, there is a noticeable performance hit. Buildworld takes 20-50% = longer with a shared toolchain. I don=E2=80=99t know if anyone has done = any profiling of rtld to see if there=E2=80=99s any space for = optimisation there (I suspect very little). David --Apple-Mail=_9F59DD42-FEE5-45BD-87CF-283D7D5C919D Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIK5jCCBPww ggPkoAMCAQICECJrrb9nBol9MHok/UZg/AYwDQYJKoZIhvcNAQELBQAwdTELMAkGA1UEBhMCSUwx FjAUBgNVBAoTDVN0YXJ0Q29tIEx0ZC4xKTAnBgNVBAsTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24g QXV0aG9yaXR5MSMwIQYDVQQDExpTdGFydENvbSBDbGFzcyAxIENsaWVudCBDQTAeFw0xNjA0MTkw OTI3NDJaFw0xNzA0MTkwOTI3NDJaMEQxHTAbBgNVBAMMFHRoZXJhdmVuQGZyZWVic2Qub3JnMSMw IQYJKoZIhvcNAQkBFhR0aGVyYXZlbkBmcmVlYnNkLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBALsL5pEhrGjrswHVdMHWhgxb8ARKDYRePSqpDLmjJ40bpx+n1zrvIwjC2Vk2IpoD 04rg5Pog2IrhnX+Qk2NSXzBXWj2JAaTc9OtSeAY0BtgJYXONGONQbRKVy97QBdzd1SbMEzDrOgH5 UDI+5sF1PboOTmLyTAPI9273XdfZ0BnstUXs8NXr/7p9E5CWJOsO1iQcINbm4XiwC1PLNMeWUknE Nji/hFKwcE8IFtaUe1ymbw6yA3rBpDu3KewIRD1T66FPTZJeIzvUoBIqWd+GAOfCBG2QYmbc3y/x K2hCtcXThcB1uVFA2q39koLKA8wHyqv4Jhm3wzhAqKDsWK4bGW0CAwEAAaOCAbcwggGzMA4GA1Ud DwEB/wQEAwIEsDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwQwCQYDVR0TBAIwADAdBgNV HQ4EFgQU5J3Kc8GeW8pEGxBkcMoA7eUOPRwwHwYDVR0jBBgwFoAUJIFsOWG+SQ+PtxtGK8kotSdI bWgwbwYIKwYBBQUHAQEEYzBhMCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5zdGFydHNzbC5jb20w OQYIKwYBBQUHMAKGLWh0dHA6Ly9haWEuc3RhcnRzc2wuY29tL2NlcnRzL3NjYS5jbGllbnQxLmNy dDA4BgNVHR8EMTAvMC2gK6AphidodHRwOi8vY3JsLnN0YXJ0c3NsLmNvbS9zY2EtY2xpZW50MS5j cmwwHwYDVR0RBBgwFoEUdGhlcmF2ZW5AZnJlZWJzZC5vcmcwIwYDVR0SBBwwGoYYaHR0cDovL3d3 dy5zdGFydHNzbC5jb20vMEYGA1UdIAQ/MD0wOwYLKwYBBAGBtTcBAgUwLDAqBggrBgEFBQcCARYe aHR0cDovL3d3dy5zdGFydHNzbC5jb20vcG9saWN5MA0GCSqGSIb3DQEBCwUAA4IBAQBSBDH+kZf5 bZkNFcMSPdfnGC7F8utBIxs2bi3JQjsBoQTm1vnXdwgINSfO9At6iQZHoEyj8ZE6PcMFuEU0+bk0 aE8aYcW59WnxfWx943upZoMhX0YVaJcFK01EHFrddRAP44sh7Eu6JtdFuAG+6btDReMcg35Qm65X 7/280aVm7awadJ+IQs8r9qBVk2NFqkvHCETtJjNWXd7M6mcsfXstvykbubPQH/VNW/zrX6yzIcI4 aoz+Sn8RJmHNkk6cImqe1KvsdDLXmqCoeoMwos62pT18RaI//jwTdmnf5EHFMlevnxOr7rzA++71 OSZfdYf6+nvHOod1F721rNuy6lxFMIIF4jCCA8qgAwIBAgIQa6eKfQrXiNZRCvlZ5Oe04TANBgkq hkiG9w0BAQsFADB9MQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UE CxMiU2VjdXJlIERpZ2l0YWwgQ2VydGlmaWNhdGUgU2lnbmluZzEpMCcGA1UEAxMgU3RhcnRDb20g Q2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTUxMjE2MDEwMDA1WhcNMzAxMjE2MDEwMDA1WjB1 MQswCQYDVQQGEwJJTDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjEpMCcGA1UECxMgU3RhcnRDb20g Q2VydGlmaWNhdGlvbiBBdXRob3JpdHkxIzAhBgNVBAMTGlN0YXJ0Q29tIENsYXNzIDEgQ2xpZW50 IENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvX3a98OifYP2W4L921tfrh4bdcC1 Ga+YJKy7V3nYNewJHnzMlBsK0Hb8Dm4Wo3FZpylcYa1MJGT10QMGWaLER3xCIuRR+8eklf/EqeZW RLojJ7zBRtjMywPOCelrOU+DX12dKp+Ez4J6919rz1UudTO1GvZyCYJ/I7062uHsskM8b7gPxmcC oO1UHwwpgkvpCArJWGFoFzjLdsZbErJcS3HtAhlkbE/BKTMrdYg35Uo12SLBO5tbk8h2imbKTC8i Ms+pskrvI/AVlh6QoTTXk6xboVX6zgMgzxSVVLymQiygYYm0y5aMsvi2raFhC643SOGvErWWPPnS EfbeAD1xswIDAQABo4IBZDCCAWAwDgYDVR0PAQH/BAQDAgEGMB0GA1UdJQQWMBQGCCsGAQUFBwMC BggrBgEFBQcDBDASBgNVHRMBAf8ECDAGAQH/AgEAMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9j cmwuc3RhcnRzc2wuY29tL3Nmc2NhLmNybDBmBggrBgEFBQcBAQRaMFgwJAYIKwYBBQUHMAGGGGh0 dHA6Ly9vY3NwLnN0YXJ0c3NsLmNvbTAwBggrBgEFBQcwAoYkaHR0cDovL2FpYS5zdGFydHNzbC5j b20vY2VydHMvY2EuY3J0MB0GA1UdDgQWBBQkgWw5Yb5JD4+3G0YrySi1J0htaDAfBgNVHSMEGDAW gBROC+8apEBbpRdphzDKNGhD0EGu8jA/BgNVHSAEODA2MDQGBFUdIAAwLDAqBggrBgEFBQcCARYe aHR0cDovL3d3dy5zdGFydHNzbC5jb20vcG9saWN5MA0GCSqGSIb3DQEBCwUAA4ICAQCL4/eH7AGL hK0PAQJbnOEjJyMEvTTwcAJuUh/bodjQl06u4putYOxdSyIjSP/sKt+31LmjG8+IO1WqykE4H/Lm 7NKezWVnCHuwb3ptgFmlwbMbGkU2MOZBtwzfKXdYUhFLhaE2uw5jXhXvLYitQay962wP5uPI6eAI hV4L8aaya1u4s7MnrTq0Rz25FuGNO79vTHYWj797tSRC8rM16js4yGKOLFpQvIg0F8IElv57b1st p+C7omqM5Qn15dePbSnqr8Jb65WtmJJbnv6rlqfY/aLuE/zmNAlzLmPgfMDStKIXdg+EoYBZTEo8 wBUaBxihfNbJ069ndQOxMNNqBelEMgpAtmjTbCuXFjqIwWq+XOx6ZV/Wh2FAmaLsSHlNvEjjSQMZ wE4EeHCdo66ZmEs/5JYlCeOkulKVQ6P3m5/XOj2jP17Q2AgmjP+11+sHN7PvrG0OwrQp9QMe3X+r n0G8MjtFfqBWvR9CgLIxzM3MJNxFdgdjS2rYnShP5uxvqwfZvhZVYCIkqdJhpYON0DvSodfiar0w iM79mySZJjzC0CTbiisBzS/BeBhqeo2wFfli/iw3hn1XKvAx0ty6w/scmBF0AYqmRHYj1TjMSw0l Al7AztLglqWjUPI+sukvadMRPxmtKXlS2nVR4an/Z16imsZ69+fFYH68c1CK7zmjozGCA04wggNK AgEBMIGJMHUxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSkwJwYDVQQLEyBT dGFydENvbSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEjMCEGA1UEAxMaU3RhcnRDb20gQ2xhc3Mg MSBDbGllbnQgQ0ECECJrrb9nBol9MHok/UZg/AYwCQYFKw4DAhoFAKCCAZkwGAYJKoZIhvcNAQkD MQsGCSqGSIb3DQEHATAcBgkqhkiG9w0BCQUxDxcNMTYxMjI1MTgyODQ5WjAjBgkqhkiG9w0BCQQx FgQUXrZpCP+pTd3h4kbLjY9D4nzYQC8wgZoGCSsGAQQBgjcQBDGBjDCBiTB1MQswCQYDVQQGEwJJ TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjEpMCcGA1UECxMgU3RhcnRDb20gQ2VydGlmaWNhdGlv biBBdXRob3JpdHkxIzAhBgNVBAMTGlN0YXJ0Q29tIENsYXNzIDEgQ2xpZW50IENBAhAia62/ZwaJ fTB6JP1GYPwGMIGcBgsqhkiG9w0BCRACCzGBjKCBiTB1MQswCQYDVQQGEwJJTDEWMBQGA1UEChMN U3RhcnRDb20gTHRkLjEpMCcGA1UECxMgU3RhcnRDb20gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkx IzAhBgNVBAMTGlN0YXJ0Q29tIENsYXNzIDEgQ2xpZW50IENBAhAia62/ZwaJfTB6JP1GYPwGMA0G CSqGSIb3DQEBAQUABIIBAKwiSTSKh9Sq+WtTnuPTPty9tmjRdSuq4Urn/2n62JDXTmz+l5ynrACy Jlm1G1KFKVQKQ8MUvaS344cAZoiY6HsClZC4J+IcFUjyE/MvG1ERsIePNK9qsgdOoHvEnyL2nWA0 uDPJGqZrCleADWcxHplblXV+GKhzU6BjpeFdEESBXLMWzD/VPA/HaK2u8NCw6qTq9X33y0D1LegF LqgmpWCzVMj4kqKheSOlw/aGukWM7brFzsY8vt/TUtirOg3xPlSJoIP+lJbSbUim4vjlQnKJngF2 oXECs9s8Bf4GnHQKPiNFL9u3DlR7VkD4LMlAuy0GWjeCk7aS9Y6ILi/RNtYAAAAAAAA= --Apple-Mail=_9F59DD42-FEE5-45BD-87CF-283D7D5C919D--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?0CE94850-0B5C-4270-94C7-F7F83BB0552B>