{"id":964,"date":"2015-08-26T18:12:32","date_gmt":"2015-08-27T03:12:32","guid":{"rendered":"http:\/\/blog.box.kr\/?p=964"},"modified":"2015-08-26T18:12:32","modified_gmt":"2015-08-27T03:12:32","slug":"how-to-calculate-duration-time","status":"publish","type":"post","link":"https:\/\/blog.box.kr\/?p=964","title":{"rendered":"how to calculate duration time"},"content":{"rendered":"

http:\/\/stackoverflow.com\/questions\/6734375\/c-boost-get-current-time-in-milliseconds<\/a><\/p>\n

 <\/p>\n

int<\/span> main<\/span>(<\/span>int<\/span> argc<\/span>,<\/span> char<\/span>*<\/span> argv<\/span>[])<\/span>\n{<\/span>\n    boost<\/span>::<\/span>posix_time<\/span>::<\/span>ptime t1 <\/span>=<\/span> boost<\/span>::<\/span>posix_time<\/span>::<\/span>second_clock<\/span>::<\/span>local_time<\/span>();<\/span>\n    boost<\/span>::<\/span>this_thread<\/span>::<\/span>sleep<\/span>(<\/span>boost<\/span>::<\/span>posix_time<\/span>::<\/span>millisec<\/span>(<\/span>500<\/span>));<\/span>\n    boost<\/span>::<\/span>posix_time<\/span>::<\/span>ptime t2 <\/span>=<\/span> boost<\/span>::<\/span>posix_time<\/span>::<\/span>second_clock<\/span>::<\/span>local_time<\/span>();<\/span>\n    boost<\/span>::<\/span>posix_time<\/span>::<\/span>time_duration diff <\/span>=<\/span> t2 <\/span>-<\/span> t1<\/span>;<\/span>\n    std<\/span>::<\/span>cout <\/span><<<\/span> diff<\/span>.<\/span>total_milliseconds<\/span>()<\/span> <<<\/span> std<\/span>::<\/span>endl<\/span>;<\/span>\n\n    boost<\/span>::<\/span>posix_time<\/span>::<\/span>ptime mst1 <\/span>=<\/span> boost<\/span>::<\/span>posix_time<\/span>::<\/span>microsec_clock<\/span>::<\/span>local_time<\/span>();<\/span>\n    boost<\/span>::<\/span>this_thread<\/span>::<\/span>sleep<\/span>(<\/span>boost<\/span>::<\/span>posix_time<\/span>::<\/span>millisec<\/span>(<\/span>500<\/span>));<\/span>\n    boost<\/span>::<\/span>posix_time<\/span>::<\/span>ptime mst2 <\/span>=<\/span> boost<\/span>::<\/span>posix_time<\/span>::<\/span>microsec_clock<\/span>::<\/span>local_time<\/span>();<\/span>\n    boost<\/span>::<\/span>posix_time<\/span>::<\/span>time_duration msdiff <\/span>=<\/span> mst2 <\/span>-<\/span> mst1<\/span>;<\/span>\n    std<\/span>::<\/span>cout <\/span><<<\/span> msdiff<\/span>.<\/span>total_milliseconds<\/span>()<\/span> <<<\/span> std<\/span>::<\/span>endl<\/span>;<\/span>\n    return<\/span> 0<\/span>;<\/span>\n}<\/span><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
http:\/\/stackoverflow.com\/questions\/6734375\/c-boost-get-current-time-in-milliseconds   int main(int argc, char* argv[]) { boost::posix_time::ptime t1 = boost::posix_time::second_clock::local_time(); boost::this_thread::sleep(boost::posix_time::millisec(500)); boost::posix_time::ptime t2 = boost::posix_time::second_clock::local_time(); boost::posix_time::time_duration diff = t2 – t1; std::cout << diff.total_milliseconds() << std::endl; boost::posix_time::ptime mst1 = boost::posix_time::microsec_clock::local_time(); boost::this_thread::sleep(boost::posix_time::millisec(500)); boost::posix_time::ptime mst2 = boost::posix_time::microsec_clock::local_time(); boost::posix_time::time_duration msdiff = mst2 – mst1; std::cout << msdiff.total_milliseconds() << std::endl; return 0; }<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"ngg_post_thumbnail":0,"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[4,5],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5q9Zn-fy","jetpack-related-posts":[{"id":339,"url":"https:\/\/blog.box.kr\/?p=339","url_meta":{"origin":964,"position":0},"title":"[c++11] \uc798 \uc4f0\uba74 \ub9e4\uc6b0 \ud3b8\ub9ac\ud55c C++11\uc758 \ubb38\ubc95\ub4e4","date":"2014-08-12","format":false,"excerpt":"C\/C++\uc5b8\uc5b4\ub294 \uc800\uc218\uc900\uae4c\uc9c0 \uc815\ubc00\ud558\uac8c \ub2e4\ub8f0 \uc218 \uc788\ub294 \ubc18\uba74, \ud504\ub85c\uadf8\ub798\uba38\uac00 \uc77c\uc77c\ud788 \uad00\ub9ac\ud574\uc918\uc57c\ud558\ub294 \ubd80\ubd84\uc774 \ub9ce\ub2e4\ub294\uac8c C\/C++\uc5b8\uc5b4\uc5d0 \ub300\ud55c \uc77c\ubc18\uc801\uc778 \uacac\ud574\uc785\ub2c8\ub2e4. \uadf8\ub798\uc11c \uc800\uc218\uc900\uae4c\uc9c0 \uc77c\uc77c\ud788 \uc2e0\uacbd\uc4f0\uc9c0 \uc54a\uc544\ub3c4 \ub418\ub294 \ucfe8\ud55c \uc5b8\uc5b4\ub97c \uac00\uc9c0\uace0 \ub192\uc740 \uc0dd\uc0b0\uc131\uc744 \ucd94\uad6c\ud558\ub294\uac8c \ucd94\uc138\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. . . . \ub9cc, C++\uc758 \uace8\uc218\ube60\ub85c\uc11c C++11\uc744 \ud1b5\ud574 C++\ub85c\ub3c4 \ucda9\ubd84\ud788 \ucfe8\ud558\uace0 \uc0dd\uc0b0\uc131 \ub192\uc740 \ucf54-\ub4dc\ub97c \uc791\uc131\ud560\uc218 \uc788\ub2e4\uace0 \ubcc0\ud638\ub97c \ud574\ubcf4\ub824\uace0 \ud569\ub2c8\ub2e4. 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