{"id":2437,"date":"2010-04-05T08:12:52","date_gmt":"2010-04-05T07:12:52","guid":{"rendered":"http:\/\/www.itwriting.com\/blog\/2437-slow-javascript-on-apple-ipad.html"},"modified":"2010-04-05T08:12:52","modified_gmt":"2010-04-05T07:12:52","slug":"slow-javascript-on-apple-ipad","status":"publish","type":"post","link":"https:\/\/www.itwriting.com\/blog\/2437-slow-javascript-on-apple-ipad.html","title":{"rendered":"Slow JavaScript on Apple iPad?"},"content":{"rendered":"<p>Charlie Wood <a href=\"http:\/\/www.enterpriseirregulars.com\/15916\/my-macbook-pro-runs-javascript-26-7x-as-fast-as-my-ipad\/\" target=\"_blank\">reports<\/a> that his MacBook Pro is 26.7 times faster than his iPad at the SunSpider JavaScript benchmark.<\/p>\n<p>I thought it would be interesting to put the iPad up against something more comparable, the Atom-powered Toshiba NB300 Netbook I\u2019ve been using and enjoying for the last few weeks. I installed Safari and ran SunSpider, running on batteries. The <a href=\"http:\/\/www2.webkit.org\/perf\/sunspider-0.9\/sunspider-results.html?%7B%223d-cube%22:%5B66,78,96,96,75%5D,%223d-morph%22:%5B122,110,112,105,124%5D,%223d-raytrace%22:%5B81,99,86,107,122%5D,%22access-binary-trees%22:%5B31,27,28,31,26%5D,%22access-fannkuch%22:%5B92,90,96,78,76%5D,%22access-nbody%22:%5B65,77,76,65,64%5D,%22access-nsieve%22:%5B47,36,50,51,50%5D,%22bitops-3bit-bits-in-byte%22:%5B19,19,23,16,16%5D,%22bitops-bits-in-byte%22:%5B30,25,31,32,28%5D,%22bitops-bitwise-and%22:%5B0,26,24,24,16%5D,%22bitops-nsieve-bits%22:%5B47,56,48,51,40%5D,%22controlflow-recursive%22:%5B16,16,16,20,19%5D,%22crypto-aes%22:%5B51,59,57,54,84%5D,%22crypto-md5%22:%5B44,49,49,46,49%5D,%22crypto-sha1%22:%5B43,39,31,44,37%5D,%22date-format-tofte%22:%5B177,144,217,139,185%5D,%22date-format-xparb%22:%5B236,229,299,276,203%5D,%22math-cordic%22:%5B89,98,80,67,74%5D,%22math-partial-sums%22:%5B160,124,121,124,158%5D,%22math-spectral-norm%22:%5B39,49,49,37,42%5D,%22regexp-dna%22:%5B72,54,54,52,58%5D,%22string-base64%22:%5B119,107,118,132,141%5D,%22string-fasta%22:%5B199,205,198,185,163%5D,%22string-tagcloud%22:%5B135,160,205,206,136%5D,%22string-unpack-code%22:%5B202,189,205,197,205%5D,%22string-validate-input%22:%5B200,216,227,169,219%5D%7D\" target=\"_blank\">result<\/a>: the Toshiba is 4.52 times faster.<\/p>\n<pre><font size=\"1\">TEST                   COMPARISON            FROM                 TO             DETAILS<br \/><br \/>=====================================================================<br \/><br \/>** TOTAL **:   4.52x as fast     10999.0ms +\/- 0.7%   2434.6ms +\/- 4.7%     significant<br \/><br \/><\/font><\/pre>\n<p>A lot slower than the MacBook Pro of course. Still, the iPad starts at $499. The NB300 is around $325.00 &#8211; though lacking that lovely touch screen. By way of compensation, it has a rather good keyboard, on which I am typing this post.<\/p>\n<p>Note: I do not yet have an iPad so I\u2019m relying on Wood\u2019s test.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Charlie Wood reports that his MacBook Pro is 26.7 times faster than his iPad at the SunSpider JavaScript benchmark. I thought it would be interesting to put the iPad up against something more comparable, the Atom-powered Toshiba NB300 Netbook I\u2019ve been using and enjoying for the last few weeks. I installed Safari and ran SunSpider, &hellip; <a href=\"https:\/\/www.itwriting.com\/blog\/2437-slow-javascript-on-apple-ipad.html\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Slow JavaScript on Apple iPad?<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,44],"tags":[158,500,514],"class_list":["post-2437","post","type-post","status-publish","format-standard","hentry","category-apple","category-internet","tag-apple","tag-ipad","tag-javascript"],"_links":{"self":[{"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/posts\/2437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/comments?post=2437"}],"version-history":[{"count":0,"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/posts\/2437\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/media?parent=2437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/categories?post=2437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.itwriting.com\/blog\/wp-json\/wp\/v2\/tags?post=2437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}