{"id":10051,"date":"2009-09-17T07:28:15","date_gmt":"2009-09-16T22:28:15","guid":{"rendered":"http:\/\/tsugawa.tv\/apple_news\/?p=10051"},"modified":"2019-04-24T06:00:27","modified_gmt":"2019-04-23T21:00:27","slug":"grand-central-dispatch-and-open-cl-bring-significant-performance","status":"publish","type":"post","link":"https:\/\/tsugawa.tv\/apple_news\/2009\/09\/17\/grand-central-dispatch-and-open-cl-bring-significant-performance\/","title":{"rendered":"\u300cGrand Central Dispatch\u300d&#038;\u300cOpen CL\u300d\u6700\u9069\u5316\u30a2\u30d7\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u8457\u3057\u304f\u5411\u4e0a"},"content":{"rendered":"<h3 class=\"sb\">\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u9b45\u529b\u7684\u306a\u300cSnow Leopard\u300d\u306e\u30b3\u30a2\u30c6\u30af\u30ce\u30ed\u30b8<\/h3>\n<p>\u30d3\u30c7\u30aa\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304a\u3088\u3073DVD\u4f5c\u6210\u30bd\u30d5\u30c8\uff08MovieGate\uff09\u3092\u300cSnow Leopard\u300d\u306e\u30b3\u30a2\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3042\u308b\u300cGrand Central Dispatch (GCD)\u300d\u3068\u300cOpen CL\u300d\u306b\u6700\u9069\u5316\u3055\u305b\u3066\u3001\u300c<a href=\"http:\/\/ck.jp.ap.valuecommerce.com\/servlet\/referral?sid=2453346&amp;pid=878422561\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/ad.jp.ap.valuecommerce.com\/servlet\/gifbanner?sid=2453346&amp;pid=878422561\" width=\"1\" height=\"1\" border=\"0\"\/>Mac&nbsp;Pro<\/a>\u300d(2007 Quad Core 2.66GHz \/ GeForce 8800 GT) \u3067\u3001\u300cMac OS X Leopard (v10.5)\u300d\u3068\u300cMac OS X Snow Leopard (v10.6)\u300d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u305f\u3068\u3053\u308d\u3001\u30d3\u30c7\u30aa\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3067\u306f\u7d0450%\u3082\u9ad8\u901f\u5316\u3055\u308c\u3001\u30d3\u30c7\u30aa\u30c7\u30b3\u30fc\u30c9\u6642\u306eCPU\u8ca0\u8377\u7387\u3082\u5927\u5e45\u306b\u6e1b\u5c11\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\uff08<a href=\"http:\/\/www.hardmac.com\/news\/2009\/09\/16\/positive-effects-of-grand-central-and-open-cl\">via<\/a> MacBidouille <a href=\"http:\/\/www.macrumors.com\/2009\/09\/16\/grand-central-dispatch-and-open-cl-bring-significant-performance-improvements-for-optimized-applications\/\">&amp;<\/a> Macrumors \/ \u4e0b\u56f3\u53c2\u7167\uff09\u3002<\/p>\n<p>&nbsp;<\/p>\n<div class=\"a-c\" style=\"width:80%;overflow:auto;background: #EEE;border: dashed #666 1px;padding: 15px 10px 15px 10px;margin-left:80px\">\n<div>\n<p style=\"text-align:left\"><span style=\"font-family: Verdana, Helvetica, Arial;\"><span><strong>Snow Leopard<br \/>\n<\/strong>150 frame\/s&nbsp;for encoding in&nbsp;MPEG-2<br \/>\n70% CPU load for decoding<br \/>\n130% CPU load for MPEG-2 encoding&nbsp;(ffmpeg)<\/span><\/span><\/p>\n<p style=\"text-align:left\"><strong>Leopard<br \/>\n<\/strong>104 frame\/s&nbsp;for encoding in&nbsp;MPEG-2<br \/>\n165% CPU load for decoding<br \/>\n100% CPU load for MPEG-2 encoding&nbsp;(ffmpeg)<\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u30de\u30eb\u30c1\u30b3\u30a2\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u5bfe\u5fdc\u3057\u3066\u3001\u52b9\u7387\u7684\u306b\u9ad8\u5ea6\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u5b9f\u884c\u30fb\u4e26\u5217\u5316\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u74b0\u5883\u3092\u63d0\u4f9b\u3059\u308b\u300cGrand Central Dispatch (GCD)\u300d\u306f\u4eca\u670811\u65e5\u3001\u30c7\u30d9\u30ed\u30c3\u30d1\u5411\u3051\u306b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3068\u3057\u3066<a href=\"https:\/\/tsugawa.tv\/apple_news\/2009\/09\/12\/grand-central-dispatch-open-source\/\">\u516c\u958b<\/a>\u3055\u308c\u3066\u304a\u308a\u3001UNIX\/Linux\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u9700\u8981\u306b\u3088\u308a\u3001\u3088\u308a\u30aa\u30fc\u30d7\u30f3\u306a\u57fa\u76e4\u3068\u6a19\u6e96\u5316\u3055\u308c\u305f\u8a00\u8a9e\u3068\u3057\u3066\u666e\u53ca\u3059\u308b\u3088\u3046\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u306a\u304a\u3001\u300cOpenCL\u300d\u306f\u3059\u3067\u306b\u3001\u6a19\u6e96\u5316\u56e3\u4f53\u300c\u30af\u30ed\u30ce\u30b9\u30b0\u30eb\u30fc\u30d7\u300d\u306b\u3088\u308a\u7ba1\u7406\u3055\u308c\u3066\u304a\u308a\u3001\u30aa\u30fc\u30d7\u30f3\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u3068\u3057\u3066\u8a08\u7b97\u51e6\u7406\u306b\u5229\u7528\u3055\u308c\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u3044\u305a\u308c\u306b\u305b\u3088\u3001\u300cGrand Central Dispatch\u300d\u3068\u300cOpenCL\u300d\u306e\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\u3092\u5f15\u304d\u51fa\u3059\u306b\u306f\u3001\u5e83\u304f\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u9580\u6238\u3092\u958b\u653e\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u9069\u7528\u3068\u6700\u9069\u5316\u3092\u4fc3\u3059\u5fc5\u8981\u304c\u3042\u308a\u3001\u5c06\u6765\u7684\u306b\u771f\u306e\u30aa\u30fc\u30d7\u30f3\u6a19\u6e96\u306b\u306a\u308b\u6642\u3053\u305d\u3001\u305d\u306e\u80fd\u529b\u3092\u5b9f\u611f\u3067\u304d\u308b\u6642\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\uff3b\u95a2\u9023\u8a18\u4e8b\uff3d<a href=\"https:\/\/tsugawa.tv\/apple_news\/2009\/08\/31\/opencl-benchmark-snow-leopard\/\">\u300cSnow Leopard\u300dOpenCL\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30c4\u30fc\u30eb\u304c\u767b\u5834<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u9b45\u529b\u7684\u306a\u300cSnow Leopard\u300d\u306e\u30b3\u30a2\u30c6\u30af\u30ce\u30ed\u30b8 \u30d3\u30c7\u30aa\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304a\u3088\u3073DVD\u4f5c\u6210\u30bd\u30d5\u30c8\uff08MovieGate\uff09\u3092\u300cSnow Leopard\u300d\u306e\u30b3\u30a2\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3042\u308b\u300cGrand Central Di [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189],"tags":[92],"class_list":["post-10051","post","type-post","status-publish","format-standard","hentry","category-os","tag-snow-leopard"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Snow Leopard\u3067\u65b0\u305f\u306b\u642d\u8f09\u3055\u308c\u305f\u300cGrand Central Dispatch\u300d\u3068\u300cOpen 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