{"id":4980,"date":"2025-05-27T09:45:48","date_gmt":"2025-05-27T07:45:48","guid":{"rendered":"https:\/\/ucthpc.uct.ac.za\/?p=4980"},"modified":"2025-05-27T09:45:48","modified_gmt":"2025-05-27T07:45:48","slug":"cluster-updates","status":"publish","type":"post","link":"https:\/\/ucthpc.uct.ac.za\/index.php\/2025\/05\/27\/cluster-updates\/","title":{"rendered":"Cluster updates"},"content":{"rendered":"<div><\/div>\n<div><b><u>Accounts and acknowledgements<\/u><\/b><\/div>\n<div><\/div>\n<div>If you no longer require your UCT HPC account, or if you have recently submitted a thesis or paper\u00a0<a href=\"https:\/\/ucthpc.uct.ac.za\/index.php\/acknowledge-eresearch\/\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/ucthpc.uct.ac.za\/index.php\/acknowledge-eresearch\/&amp;source=gmail&amp;ust=1747902084839000&amp;usg=AOvVaw2t56H_AOZEgGvEDdsayoWw\">acknowledging<\/a>\u00a0usage of the cluster, please let us know.<\/div>\n<div><\/div>\n<div><b><u>Core reservations<\/u><\/b><\/div>\n<div><\/div>\n<div>When requesting resources please do not oversubscribe your jobs.\u00a0 Requesting 40 cores for a job when your code can only\u00a0address 1 or 2 cores prohibits other researchers from using these valuable resources.<\/div>\n<div><\/div>\n<div><b><u>New Hardware<\/u><\/b><\/div>\n<div><\/div>\n<div>The old HPC cluster has now been decommissioned\u00a0and the remainder of its worker nodes are being transferred to hex.\u00a0 We will also shortly be adding another tranche of new compute nodes and GPU cards.<\/div>\n<div><\/div>\n<div><u><b>Increased resources<\/b><\/u><\/div>\n<div><\/div>\n<div>We have increased the WallTime and MaxCores for all postgrad accounts.\u00a0 The current values have been increased\u00a0from 170 hours and 120 cores to 200 hours and 160 cores respectively. Once the new tranche of compute nodes are installed these values may be raised further.<\/div>\n<div><\/div>\n<div><b><u>Scratch storage<\/u><\/b><\/div>\n<div><\/div>\n<div>We have updated our\u00a0<a href=\"https:\/\/ucthpc.uct.ac.za\/index.php\/scratch-policy\/\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/ucthpc.uct.ac.za\/index.php\/scratch-policy\/&amp;source=gmail&amp;ust=1747902084839000&amp;usg=AOvVaw1xsYg_ZPL3Y5ttyTiC9iiC\">Scratch Storage Policy<\/a>. Please also note that the \/scratch file system is not backed up at all, nor is it meant for long term storage.<\/div>\n<div><\/div>\n<div><b><u>Training courses<\/u><\/b><\/div>\n<div><\/div>\n<div>We are looking at running several introductory training courses in the next few months. If you are interested in attending please let us know.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Accounts and acknowledgements If you no longer require your UCT HPC account, or if you have recently submitted a thesis or paper\u00a0acknowledging\u00a0usage of the cluster, please let us know. Core reservations When requesting resources please do not oversubscribe your jobs.\u00a0 Requesting 40 cores for a job when your code can only\u00a0address 1 or 2 cores&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6,26],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cluster updates - UCT HPC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ucthpc.uct.ac.za\/index.php\/2025\/05\/27\/cluster-updates\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cluster updates - UCT HPC\" \/>\n<meta property=\"og:description\" content=\"Accounts and acknowledgements If you no longer require your UCT HPC account, or if you have recently submitted a thesis or paper\u00a0acknowledging\u00a0usage of the cluster, please let us know. 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