{"id":2066,"date":"2024-03-12T09:10:03","date_gmt":"2024-03-12T09:10:03","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-obtaining-time-intervals-in-c\/"},"modified":"2024-03-30T15:47:17","modified_gmt":"2024-03-30T15:47:17","slug":"what-is-the-method-for-obtaining-time-intervals-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-obtaining-time-intervals-in-c\/","title":{"rendered":"What is the method for obtaining time intervals in C++?"},"content":{"rendered":"<p>One common way to get time intervals in <a href=\"https:\/\/cplusplus.com\/\">C++<\/a> is by using the methods in the std::chrono namespace from the header file. Here is a simple example code demonstrating how to get the time interval between two time points:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;chrono&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n    <span class=\"hljs-keyword\">auto<\/span> start = std::chrono::high_resolution_clock::<span class=\"hljs-built_in\">now<\/span>(); <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u8d77\u59cb\u65f6\u95f4\u70b9<\/span>\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5728\u8fd9\u91cc\u8fdb\u884c\u4e00\u4e9b\u4ee3\u7801\u64cd\u4f5c<\/span>\r\n\r\n    <span class=\"hljs-keyword\">auto<\/span> end = std::chrono::high_resolution_clock::<span class=\"hljs-built_in\">now<\/span>(); <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u7ed3\u675f\u65f6\u95f4\u70b9<\/span>\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8ba1\u7b97\u65f6\u95f4\u95f4\u9694<\/span>\r\n    <span class=\"hljs-keyword\">auto<\/span> duration = std::chrono::<span class=\"hljs-built_in\">duration_cast<\/span>&lt;std::chrono::milliseconds&gt;(end - start).<span class=\"hljs-built_in\">count<\/span>();\r\n\r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"Time taken: \"<\/span> &lt;&lt; duration &lt;&lt; <span class=\"hljs-string\">\" milliseconds\"<\/span> &lt;&lt; std::endl;\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the above code, we first obtain the start and end time points, calculate the time interval between them, and then output it in milliseconds to the console. You can choose different time interval units as needed, such as std::chrono::seconds, std::chrono::minutes, etc.<\/p>\n<p>&nbsp;<\/p>\n<p>More tutorials<\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-initialize-a-c-language-second-level-pointer\/\" target=\"_blank\" rel=\"noopener\">How to initialize a C language second-level pointer?<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/what-type-of-data-persistence-does-redis-support\/\" target=\"_blank\" rel=\"noopener\">What type of data persistence does Redis support?<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-purpose-of-the-qtimer-class-in-pyqt5\/\" target=\"_blank\" rel=\"noopener\">What is the purpose of the QTimer class in PyQt5?<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/how-is-the-string-format-used-in-c\/\" target=\"_blank\" rel=\"noopener\">How is the string format used in C++?<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/convert-time-to-hours-minutes-and-seconds-in-python\/\" target=\"_blank\" rel=\"noopener\">Convert time to hours, minutes, and seconds in python<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n<p><a class=\"LinkSuggestion__Link-sc-1gewdgc-4 cLBplk\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-automatically-generate-an-id-based-on-time-in-c\/\" target=\"_blank\" rel=\"noopener\">How to automatically generate an ID based on time in C++?<span class=\"sc-gswNZR eASTkv\">(Opens in a new browser tab)<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>One common way to get time intervals in C++ is by using the methods in the std::chrono namespace from the header file. Here is a simple example code demonstrating how to get the time interval between two time points: #include &lt;iostream&gt; #include &lt;chrono&gt; int main() { auto start = std::chrono::high_resolution_clock::now(); \/\/ \u83b7\u53d6\u8d77\u59cb\u65f6\u95f4\u70b9 \/\/ \u5728\u8fd9\u91cc\u8fdb\u884c\u4e00\u4e9b\u4ee3\u7801\u64cd\u4f5c auto [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2066","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the method for obtaining time intervals in C++? - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"One common way to get time intervals in C++ is by using the methods in the std::chrono namespace from the header file. 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