{"id":1015,"date":"2013-01-17T09:24:22","date_gmt":"2013-01-17T14:24:22","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/?p=1015"},"modified":"2013-01-17T09:24:22","modified_gmt":"2013-01-17T14:24:22","slug":"example-speed-up-matlab-code-by-profiling","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2013\/01\/17\/example-speed-up-matlab-code-by-profiling\/","title":{"rendered":"Example: Speed up MATLAB code by profiling"},"content":{"rendered":"Sometimes the performance of MATLAB code can depend greatly on the algorithm or the specific functions called.  In this example, we show how we use the profiler (and good knowledge of logical indexing in MATLAB) to speed up some MATLAB code by nearly a factor of ten.\r\n<p>\r\n<p>\r\n\r\n<div><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"3877436974001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div>\r\n <\/div>\r\n","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2013\/01\/17\/example-speed-up-matlab-code-by-profiling\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/93f9f1e6-144e-4c9f-99cb-350f997fc8a4\/1292ca05-f8a0-4f11-9750-3d8d3751465f\/1280x720\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/>\n      <div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">5:09<\/time><\/span>\n      <\/div>\n      <\/a><\/div><p>Sometimes the performance of MATLAB code can depend greatly on the algorithm or the specific functions called.  In this example, we show how we use the profiler (and good knowledge of logical&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2013\/01\/17\/example-speed-up-matlab-code-by-profiling\/\">read more >><\/a><\/p>","protected":false},"author":68,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,12],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/1015"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/68"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=1015"}],"version-history":[{"count":4,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/1015\/revisions"}],"predecessor-version":[{"id":1021,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/1015\/revisions\/1021"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=1015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=1015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=1015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}