{"id":2898,"date":"2016-10-28T14:59:21","date_gmt":"2016-10-28T12:59:21","guid":{"rendered":"http:\/\/srvcnthpc001.uct.ac.za\/?p=2898"},"modified":"2016-10-28T14:59:21","modified_gmt":"2016-10-28T12:59:21","slug":"16m-cpuh","status":"publish","type":"post","link":"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/","title":{"rendered":"16M CPUh"},"content":{"rendered":"<pre>This week saw our HPC cluster exceed two thresholds. We went over 16 million total computational hours as well as 500,000 current computational hours. This last figure is the amount of CPU hours our clusters are dealing with right now. When we started back in 2010 it took us over 2 years to achieve in total what we're currently dealing with right now as an active workload.\r\n <a ref=\"magnificPopup\" href=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CumulativeCPUhours.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-2899\" src=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CumulativeCPUhours-300x144.jpg\" alt=\"cumulativecpuhours\" width=\"300\" height=\"144\" srcset=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CumulativeCPUhours-300x144.jpg 300w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CumulativeCPUhours-600x288.jpg 600w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CumulativeCPUhours.jpg 816w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\r\n Cumulative CPU hours<\/pre>\n<pre>This is not the first time our cluster has broken 1\/2 a million active hours, the last time being in early 2015 with almost 600,000 hours.\r\n <a ref=\"magnificPopup\" href=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/ActiveCPU.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-2900\" src=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/ActiveCPU-300x143.jpg\" alt=\"activecpu\" width=\"300\" height=\"143\" srcset=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/ActiveCPU-300x143.jpg 300w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/ActiveCPU-600x286.jpg 600w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/ActiveCPU.jpg 865w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\r\n Active CPU hours<\/pre>\n<pre>Since the addition of the C6145's to hex we've seen a linear increase of about 6 million CPU hours per year with an average of 75% utilization of all cores and 92% efficiency over all 1.6 million jobs. The large jump in 2014 was a mathematician completing her PhD in cosmology.\r\n <a ref=\"magnificPopup\" href=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/TotalJobs.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-2901\" src=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/TotalJobs-300x108.jpg\" alt=\"totaljobs\" width=\"300\" height=\"108\" srcset=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/TotalJobs-300x108.jpg 300w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/TotalJobs-600x216.jpg 600w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/TotalJobs.jpg 829w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\r\n Total jobs\r\n\r\n <a ref=\"magnificPopup\" href=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CoresEff.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-2902\" src=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CoresEff-300x123.jpg\" alt=\"coreseff\" width=\"300\" height=\"123\" srcset=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CoresEff-300x123.jpg 300w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CoresEff-600x245.jpg 600w, https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CoresEff.jpg 960w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>\r\n Core and efficiency\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>This week saw our HPC cluster exceed two thresholds. We went over 16 million total computational hours as well as 500,000 current computational hours. This last figure is the amount of CPU hours our clusters are dealing with right now. When we started back in 2010 it took us over 2 years to achieve in&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>16M CPUh - 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\/2016\/10\/28\/16m-cpuh\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"16M CPUh - UCT HPC\" \/>\n<meta property=\"og:description\" content=\"This week saw our HPC cluster exceed two thresholds. We went over 16 million total computational hours as well as 500,000 current computational hours. This last figure is the amount of CPU hours our clusters are dealing with right now. When we started back in 2010 it took us over 2 years to achieve in...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/\" \/>\n<meta property=\"og:site_name\" content=\"UCT HPC\" \/>\n<meta property=\"article:published_time\" content=\"2016-10-28T12:59:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2016\/10\/CumulativeCPUhours-300x144.jpg\" \/>\n<meta name=\"author\" content=\"Andrew Lewis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Andrew Lewis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/\"},\"author\":{\"name\":\"Andrew Lewis\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#\/schema\/person\/c183ad1c0a1063124a72d63963ae9c7e\"},\"headline\":\"16M CPUh\",\"datePublished\":\"2016-10-28T12:59:21+00:00\",\"dateModified\":\"2016-10-28T12:59:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/\"},\"wordCount\":2,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#organization\"},\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"en-ZA\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/\",\"url\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/\",\"name\":\"16M CPUh - UCT HPC\",\"isPartOf\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#website\"},\"datePublished\":\"2016-10-28T12:59:21+00:00\",\"dateModified\":\"2016-10-28T12:59:21+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/#breadcrumb\"},\"inLanguage\":\"en-ZA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ucthpc.uct.ac.za\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"16M CPUh\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#website\",\"url\":\"https:\/\/ucthpc.uct.ac.za\/\",\"name\":\"UCT HPC\",\"description\":\"University of Cape Town High Performance Computing\",\"publisher\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/ucthpc.uct.ac.za\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-ZA\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#organization\",\"name\":\"University of Cape Town High Performance Computing\",\"url\":\"https:\/\/ucthpc.uct.ac.za\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-ZA\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2015\/09\/logocircless.png\",\"contentUrl\":\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2015\/09\/logocircless.png\",\"width\":450,\"height\":423,\"caption\":\"University of Cape Town High Performance Computing\"},\"image\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#\/schema\/person\/c183ad1c0a1063124a72d63963ae9c7e\",\"name\":\"Andrew Lewis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-ZA\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/9652c9c73beeab594b8dc2383a880048?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/9652c9c73beeab594b8dc2383a880048?s=96&d=mm&r=g\",\"caption\":\"Andrew Lewis\"},\"sameAs\":[\"http:\/\/blogs.uct.ac.za\/blog\/big-bytes\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"16M CPUh - UCT HPC","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ucthpc.uct.ac.za\/index.php\/2016\/10\/28\/16m-cpuh\/","og_locale":"en_US","og_type":"article","og_title":"16M CPUh - UCT HPC","og_description":"This week saw our HPC cluster exceed two thresholds. 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