From johannes.abt@advantest.com Mon Dec 28 12:33:36 2020 Received: (at submit) by bugs.x2go.org; 28 Dec 2020 11:33:39 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FORGED_SPF_HELO,SPF_HELO_PASS autolearn=no autolearn_force=no version=3.4.2 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on20712.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe5a::712]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 8AC025DB0D for ; Mon, 28 Dec 2020 12:33:34 +0100 (CET) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=RbTBwyAGekGrxjFEXp4RdY6SGo8aJ0L63ewf70LwTkO+QoZCF5iBU7cQbwPx1esa3bC6Sq0qTQYJHF7tv5uxYixbqWOjXkhyi8oW2hb6wUisBNMgYcR4C7VV42tTIfviS9bV3ZhxS3F2aNSZb0rBIKlKAhBGj/HXDMU80+b80FgL7s/dNWvfMuMy4tFR54mcYIL125sZHbSa/WnDiQRPkjo6UgSJgMnNAkdHn8sAn8LEUkdxt+8C9aVJoKR1F/1NGaH3ige9rulHDzx9aeevm0MLzMvNLzsQc7ir7o7xlyYM1tB1toEB0vKUb1OD6SJfWi4oMHerGZIiwMWCoFcKDg== ARC-Message-Signature: i=1; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: ADVANTEST.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR05MB4988.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 28ef84d2-50b1-4df4-ad90-08d8ab24637e X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Dec 2020 11:33:24.8674 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b0de9dff-4833-4d4f-b442-1e0dbfae2ec8 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Wqz7Toyh3Dps4k+9jWfyVZBPhjIRf74BBdkHwbWL4IJilErZ3yiPQqqPcvf8+NEtfzIyK88BLzs09hb4tXP7WjS/MHldbvWvzcIydWMSi2I= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR05MB6523 Package: x2goclient Version: 4.1.2.2 Synopsis: session resume takes much longer on Windows than on Linux (e.g. 2= 5s vs 14s) Preparing the benchmark on both Linux and Windows clients: * Setup a custom ("/usr/bin/konsole") remote session * Connection settigs: identical (for example: WAN, 64k-png-jpeg) Create the Session: * start the session on one of the clients =3D> a remote "konsole" window op= ens up * to get some graphics: "firefox https://www.kernel.org"; now there are two= open windows * suspend the session Execute the Benchmark: on both clients: * start the remote session * use a stopwatch to get the elapsed time for both windows opening up and s= howing their content * repeat the benchmark and use the median result Expected result: same startup time The result that I get is (on a 50MBit DSL line, with a RHEL7.4 server on x2= go*-4.1.0.3-9.el7.x64_64): The 8 year old Linux client with two cores takes= 14 seconds; the Windows laptop with a more modern CPU and much more RAM ta= kes 25 seconds.