{"id":2074,"date":"2024-03-12T09:10:35","date_gmt":"2024-03-12T09:10:35","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-obtain-precise-time-in-milliseconds-in-c\/"},"modified":"2024-03-31T15:07:13","modified_gmt":"2024-03-31T15:07:13","slug":"how-to-obtain-precise-time-in-milliseconds-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-obtain-precise-time-in-milliseconds-in-c\/","title":{"rendered":"How to obtain precise time in milliseconds in C++?"},"content":{"rendered":"

In C++<\/a>, you can use std::chrono::high_resolution_clock from the header file to obtain time accurate to milliseconds. Here is a simple example code:<\/p>\n

#include<\/span> <iostream><\/span><\/span>\r\n#include<\/span> <chrono><\/span><\/span>\r\n\r\nint<\/span> main<\/span>()<\/span> <\/span>{\r\n    auto<\/span> start = std::chrono::high_resolution_clock::now<\/span>();\r\n    \r\n    \/\/ \u8fd9\u91cc\u653e\u7f6e\u9700\u8981\u6d4b\u91cf\u65f6\u95f4\u7684\u4ee3\u7801\u5757<\/span>\r\n    \r\n    auto<\/span> end = std::chrono::high_resolution_clock::now<\/span>();\r\n    \r\n    std::chrono::duration<double<\/span>, std::milli> duration = end - start;\r\n    \r\n    std::cout << \"Time taken: \"<\/span> << duration.count<\/span>() << \" milliseconds\"<\/span> << std::endl;\r\n    \r\n    return<\/span> 0<\/span>;\r\n}\r\n<\/code><\/pre>\n
In the given example, high_resolution_clock::now() returns a time point, then calculates the difference between two time points, and finally converts the difference to milliseconds for output.<\/p>\n
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In C++, you can use std::chrono::high_resolution_clock from the header file to obtain time accurate to milliseconds. Here is a simple example code: #include <iostream> #include <chrono> int main() { auto start = std::chrono::high_resolution_clock::now(); \/\/ \u8fd9\u91cc\u653e\u7f6e\u9700\u8981\u6d4b\u91cf\u65f6\u95f4\u7684\u4ee3\u7801\u5757 auto end = std::chrono::high_resolution_clock::now(); std::chrono::duration<double, std::milli> duration = end – start; std::cout << “Time taken: ” << duration.count() << ” […]<\/p>\n","protected":false},"author":7,"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-2074","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nHow to obtain precise time in milliseconds in C++? - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"In C++, you can use std::chrono::high_resolution_clock from the header file to obtain time accurate to milliseconds. 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