{"id":649,"date":"2015-07-14T00:26:14","date_gmt":"2015-07-13T23:26:14","guid":{"rendered":"http:\/\/numbercrunch.de\/blog\/?p=649"},"modified":"2015-08-27T15:57:41","modified_gmt":"2015-08-27T14:57:41","slug":"cell-phone-supercomputers","status":"publish","type":"post","link":"https:\/\/www.numbercrunch.de\/blog\/2015\/07\/cell-phone-supercomputers\/","title":{"rendered":"Cell phone supercomputers"},"content":{"rendered":"<p style=\"text-align: justify;\">In <a href=\"https:\/\/en.wikipedia.org\/wiki\/Physics_of_the_Future\" target=\"_blank\">\u201cPhysics of the Future\u201d<\/a> Michio Kaku states \u201cToday your cell phone has more computer power than all of the NASA back in 1969, when it placed two astronauts on the moon.\u201d and in the fictional movie <a href=\"https:\/\/www.youtube.com\/watch?v=ziVpqh9UXmI\" target=\"_blank\">\u201cIron Sky\u201d<\/a> the space ship \u201cG\u00f6tterd\u00e4mmerung\u201d is operated by a smart phone. So what <em>is<\/em> actually the computational power of modern cell phones? To get an answer to this question I run the <a href=\"http:\/\/www.netlib.org\/benchmark\/linpackc.new\" target=\"_blank\">linpack<\/a> benchmark on my <a href=\"https:\/\/en.wikipedia.org\/wiki\/Jolla_%28mobile_phone%29\" target=\"_blank\">Jolla<\/a> (with\u00a0Qualcomm Snapdragon dual core cpu at 1.4 GHz). Indeed, according to this benchmark my cell phone has a single-core performance of the order of a Cray supercomputer of the early 1990s, more than 300Mflops, which is about an order of magnitude slower than a modern desktop cpu.<\/p>\n<figure id=\"attachment_650\" aria-describedby=\"caption-attachment-650\" style=\"width: 540px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/numbercrunch.de\/blog\/wp-content\/uploads\/2015\/07\/Linpack_Jolla.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-650\" src=\"https:\/\/numbercrunch.de\/blog\/wp-content\/uploads\/2015\/07\/Linpack_Jolla.png\" alt=\"The linpack benchmak solves a large dense system of linear equations in order to determine the number of executed floating point operations per second.\" width=\"540\" height=\"960\" srcset=\"https:\/\/www.numbercrunch.de\/blog\/wp-content\/uploads\/2015\/07\/Linpack_Jolla.png 540w, https:\/\/www.numbercrunch.de\/blog\/wp-content\/uploads\/2015\/07\/Linpack_Jolla-169x300.png 169w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><\/a><figcaption id=\"caption-attachment-650\" class=\"wp-caption-text\">The linpack benchmak solves a large dense system of linear equations in order to determine the number of executed floating point operations per second. Screenshot shows results for a Jolla smart phone.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>In \u201cPhysics of the Future\u201d Michio Kaku states \u201cToday your cell phone has more computer power than all of the NASA back in 1969, when it placed two astronauts on the moon.\u201d and in the fictional movie \u201cIron Sky\u201d the space ship \u201cG\u00f6tterd\u00e4mmerung\u201d is operated by a smart phone. So what is actually the computational&hellip; <a href=\"https:\/\/www.numbercrunch.de\/blog\/2015\/07\/cell-phone-supercomputers\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Cell phone supercomputers<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-649","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cell phone supercomputers - Number Crunch<\/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:\/\/www.numbercrunch.de\/blog\/2015\/07\/cell-phone-supercomputers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cell phone supercomputers - Number Crunch\" \/>\n<meta property=\"og:description\" content=\"In \u201cPhysics of the Future\u201d Michio Kaku states \u201cToday your cell phone has more computer power than all of the NASA back in 1969, when it placed two astronauts on the moon.\u201d and in the fictional movie \u201cIron Sky\u201d the space ship \u201cG\u00f6tterd\u00e4mmerung\u201d is operated by a smart phone. 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