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b=C8xEE7skYa30xxqnf3wx2sJWEBeMCAmV4Er8vFLuIDNGvfXAQ5KQboc1s670dIU3Qd9jGm3G1wh4VVeZfr5CAzG08M6HOe7sUub57JIgYjwcVno426KA5OpyftV82T26x2OUGshuuK80TvIJgGZmMjCGXyq4GceYUCmT/KlpWe8= Received: from DB6PR0701MB2742.eurprd07.prod.outlook.com (2603:10a6:4:22::18) by DBAPR07MB6662.eurprd07.prod.outlook.com (2603:10a6:10:180::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.10; Mon, 7 Dec 2020 11:49:49 +0000 Received: from DB6PR0701MB2742.eurprd07.prod.outlook.com ([fe80::9167:306f:8659:61b1]) by DB6PR0701MB2742.eurprd07.prod.outlook.com ([fe80::9167:306f:8659:61b1%2]) with mapi id 15.20.3654.012; Mon, 7 Dec 2020 11:49:49 +0000 From: Valerio Besozzi To: "freebsd-questions@freebsd.org" Subject: Jemalloc and FreeBSD question Thread-Topic: Jemalloc and FreeBSD question Thread-Index: AQHWzI73jErtidqnBEq/NXqZYbPd5g== Date: Mon, 7 Dec 2020 11:49:49 +0000 Message-ID: Accept-Language: it-IT, en-US Content-Language: it-IT X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [146.241.209.78] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 477b0a0e-540c-40f7-721f-08d89aa6336e x-ms-traffictypediagnostic: DBAPR07MB6662: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; 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MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:8075, ipnet:2a01:111:f000::/36, country:US]; ARC_ALLOW(-1.00)[microsoft.com:s=arcselector9901:i=1]; MAILMAN_DEST(0.00)[freebsd-questions] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Dec 2020 11:49:52 -0000 Hi, I'm writing my CS thesis about various memory allocator. I found various re= sources about jemalloc but I think some of these are old. I wanted to kindl= y ask if you could give me some information regarding malloc()/free()/reall= oc(). I already contacted the developers on the official gitter and they provided= me useful resources but I was wondering since this allocator is also used = on FreeBSD (since this is practically where it was born), if someone more e= xperienced than me could give me some explanations regarding the implementa= tion of these functions. Also, any anecdotes about the history of this allocator and FreeBSD would b= e greatly appreciated. Greetings, Valerio Besozzi