{"id":833,"date":"2013-05-02T18:25:46","date_gmt":"2013-05-02T16:25:46","guid":{"rendered":"http:\/\/oldblogs.uct.ac.za\/blog\/big-bytes\/2013\/05\/02\/a-century-of-work"},"modified":"2022-09-26T20:29:16","modified_gmt":"2022-09-26T18:29:16","slug":"a-century-of-work","status":"publish","type":"post","link":"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/05\/02\/a-century-of-work\/","title":{"rendered":"A century of work"},"content":{"rendered":"Today the sum total of work computed on our clusters since we started in 2010 surpassed 100 years.\u00a0 That's the equivalent of a fairly powerful processor working flat out for a century.\u00a0 While we've accumulated quite a large\u00a0number of cores in this time they're not continuously occupied, however this is still a 33x speedup overall,\u00a0and our degree of parallelism is about two to one: on average a job runs for about 8 hours and does 19 CPU hours of work. \u00a0The departments reaping the most reward from the cluster are statistical\r\nsciences, computer science and mechanical engineering with\u00a0speedups of 61x, 12x and 8x respectively.\r\n\r\nAlso of interest as per the graph below; while the\u00a0rate of job submission is decreasing, the rate of hours computed increased rapidly to 400,000 hours per year in 2011 and has remained at this level ever since. \u00a0This indicates that the cluster is being used more effectively and with confidence by our researchers. \u00a0We hope to be able to improve on this as we move towards half a decade of providing computing resources to UCT and SAGrid.<img src=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2015\/07\/4459-work.jpg\" alt=\"work\" border=\"0\" \/>","protected":false},"excerpt":{"rendered":"<p>Today the sum total of work computed on our clusters since we started in 2010 surpassed 100 years.&nbsp; That&#8217;s the equivalent of a fairly powerful processor working flat out for a century.&nbsp; While we&#8217;ve accumulated quite a large&nbsp;number of cores in this time they&#8217;re not continuously occupied, however this is still a 33x speedup overall,&nbsp;and our degree of parallelism is about two to one: on average a job runs for about 8 hours and does 19 CPU hours of work. &nbsp;The departments reaping the most reward from the cluster are statistical<br \/>\n sciences, computer science and mechanical engineering with&nbsp;speedups of 61x, 12x and 8x respectively.<\/p>\n<p>\nAlso of interest as per the graph below; while the&nbsp;rate of job submission is decreasing, the rate of hours computed increased rapidly to 400,000 hours per year in 2011 and has remained at this level ever since. &nbsp;This indicates that the cluster is being used more effectively and with confidence by our researchers. &nbsp;We hope to be able to improve on this as we move towards half a decade of providing computing resources to UCT and SAGrid.<img decoding=\"async\" src=\"http:\/\/blogs.uct.ac.za\/gallery\/1253\/4459-work.jpg\" border=\"0\" alt=\"work\">&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A century of work - 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\/2013\/05\/02\/a-century-of-work\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A century of work - UCT HPC\" \/>\n<meta property=\"og:description\" content=\"Today the sum total of work computed on our clusters since we started in 2010 surpassed 100 years.&nbsp; That&#039;s the equivalent of a fairly powerful processor working flat out for a century.&nbsp; While we&#039;ve accumulated quite a large&nbsp;number of cores in this time they&#039;re not continuously occupied, however this is still a 33x speedup overall,&nbsp;and our degree of parallelism is about two to one: on average a job runs for about 8 hours and does 19 CPU hours of work. &nbsp;The departments reaping the most reward from the cluster are statistical  sciences, computer science and mechanical engineering with&nbsp;speedups of 61x, 12x and 8x respectively. Also of interest as per the graph below; while the&nbsp;rate of job submission is decreasing, the rate of hours computed increased rapidly to 400,000 hours per year in 2011 and has remained at this level ever since. &nbsp;This indicates that the cluster is being used more effectively and with confidence by our researchers. &nbsp;We hope to be able to improve on this as we move towards half a decade of providing computing resources to UCT and SAGrid.&nbsp;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/05\/02\/a-century-of-work\/\" \/>\n<meta property=\"og:site_name\" content=\"UCT HPC\" \/>\n<meta property=\"article:published_time\" content=\"2013-05-02T16:25:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-26T18:29:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ucthpc.uct.ac.za\/wp-content\/uploads\/2015\/07\/4459-work.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\/2013\/05\/02\/a-century-of-work\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/05\/02\/a-century-of-work\/\"},\"author\":{\"name\":\"Andrew Lewis\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#\/schema\/person\/c183ad1c0a1063124a72d63963ae9c7e\"},\"headline\":\"A century of work\",\"datePublished\":\"2013-05-02T16:25:46+00:00\",\"dateModified\":\"2022-09-26T18:29:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/05\/02\/a-century-of-work\/\"},\"wordCount\":183,\"publisher\":{\"@id\":\"https:\/\/ucthpc.uct.ac.za\/#organization\"},\"articleSection\":[\"hpc\"],\"inLanguage\":\"en-ZA\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/05\/02\/a-century-of-work\/\",\"url\":\"https:\/\/ucthpc.uct.ac.za\/index.php\/2013\/05\/02\/a-century-of-work\/\",\"name\":\"A century of work - 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