{"id":24993,"date":"2024-03-16T04:11:27","date_gmt":"2024-03-16T04:11:27","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/"},"modified":"2024-03-22T05:05:52","modified_gmt":"2024-03-22T05:05:52","slug":"how-to-implement-multi-threaded-parallel-computing-in-the-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/","title":{"rendered":"How to implement multi-threaded parallel computing in the C language?"},"content":{"rendered":"<p>Implementing parallel computing with multiple threads in C language can be achieved using the pthread library, here is a simple example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;pthread.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-comment\">\/\/ \u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570<\/span>\r\n<span class=\"hljs-type\">void<\/span> *<span class=\"hljs-title function_\">thread_function<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">void<\/span> *arg)<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> *num = (<span class=\"hljs-type\">int<\/span> *)arg;\r\n    <span class=\"hljs-type\">int<\/span> result = <span class=\"hljs-number\">0<\/span>;\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u8ba1\u7b97\u7d2f\u52a0\u548c<\/span>\r\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> i = <span class=\"hljs-number\">1<\/span>; i &lt;= *num; i++) {\r\n        result += i;\r\n    }\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c<\/span>\r\n    pthread_exit((<span class=\"hljs-type\">void<\/span> *)result);\r\n}\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    <span class=\"hljs-type\">pthread_t<\/span> threads[<span class=\"hljs-number\">2<\/span>];\r\n    <span class=\"hljs-type\">int<\/span> numbers[<span class=\"hljs-number\">2<\/span>] = {<span class=\"hljs-number\">100<\/span>, <span class=\"hljs-number\">200<\/span>};\r\n    <span class=\"hljs-type\">int<\/span> results[<span class=\"hljs-number\">2<\/span>];\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e24\u4e2a\u7ebf\u7a0b<\/span>\r\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">2<\/span>; i++) {\r\n        pthread_create(&amp;threads[i], <span class=\"hljs-literal\">NULL<\/span>, thread_function, &amp;numbers[i]);\r\n    }\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u7b49\u5f85\u7ebf\u7a0b\u6267\u884c\u5b8c\u6bd5\u5e76\u83b7\u53d6\u8ba1\u7b97\u7ed3\u679c<\/span>\r\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">2<\/span>; i++) {\r\n        pthread_join(threads[i], (<span class=\"hljs-type\">void<\/span> **)&amp;results[i]);\r\n    }\r\n    \r\n    <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\u8ba1\u7b97\u7ed3\u679c<\/span>\r\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">2<\/span>; i++) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"Thread %d result: %d\\n\"<\/span>, i, results[i]);\r\n    }\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 this sample code, a thread function called thread_function is first defined. This function takes an integer parameter, calculates the sum from 1 to that parameter, and returns the result as the thread&#8217;s return value.<\/p>\n<p>In the main function, two threads are created and different parameters are passed to each thread. The pthread_join function is then used to wait for the threads to finish executing and to obtain the calculation results. Finally, the calculation results are displayed.<\/p>\n<p>It should be noted that multi-threaded parallel computing may involve issues such as race conditions and synchronization problems between threads, which need to be addressed using mechanisms such as mutex. The example code above does not take these issues into account and is only used to demonstrate the basic usage of multi-threading. In practical applications, more complex inter-thread communication and synchronization mechanisms may be required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Implementing parallel computing with multiple threads in C language can be achieved using the pthread library, here is a simple example code: #include &lt;stdio.h&gt; #include &lt;pthread.h&gt; \/\/ \u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570 void *thread_function(void *arg) { int *num = (int *)arg; int result = 0; \/\/ \u8ba1\u7b97\u7d2f\u52a0\u548c for (int i = 1; i &lt;= *num; i++) { result += [&hellip;]<\/p>\n","protected":false},"author":6,"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-24993","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>How to implement multi-threaded parallel computing in the C language? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to implement multi-threaded parallel computing in the C language?\" \/>\n<meta property=\"og:description\" content=\"Implementing parallel computing with multiple threads in C language can be achieved using the pthread library, here is a simple example code: #include &lt;stdio.h&gt; #include &lt;pthread.h&gt; \/\/ \u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570 void *thread_function(void *arg) { int *num = (int *)arg; int result = 0; \/\/ \u8ba1\u7b97\u7d2f\u52a0\u548c for (int i = 1; i &lt;= *num; i++) { result += [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T04:11:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T05:05:52+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Taylor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Taylor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\"},\"author\":{\"name\":\"Benjamin Taylor\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\"},\"headline\":\"How to implement multi-threaded parallel computing in the C language?\",\"datePublished\":\"2024-03-16T04:11:27+00:00\",\"dateModified\":\"2024-03-22T05:05:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\"},\"wordCount\":176,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\",\"name\":\"How to implement multi-threaded parallel computing in the C language? - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-16T04:11:27+00:00\",\"dateModified\":\"2024-03-22T05:05:52+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to implement multi-threaded parallel computing in the C language?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\",\"name\":\"Benjamin Taylor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g\",\"caption\":\"Benjamin Taylor\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/benjamintaylor\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"How to implement multi-threaded parallel computing in the C language? - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/","og_locale":"en_US","og_type":"article","og_title":"How to implement multi-threaded parallel computing in the C language?","og_description":"Implementing parallel computing with multiple threads in C language can be achieved using the pthread library, here is a simple example code: #include &lt;stdio.h&gt; #include &lt;pthread.h&gt; \/\/ \u5b9a\u4e49\u7ebf\u7a0b\u51fd\u6570 void *thread_function(void *arg) { int *num = (int *)arg; int result = 0; \/\/ \u8ba1\u7b97\u7d2f\u52a0\u548c for (int i = 1; i &lt;= *num; i++) { result += [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T04:11:27+00:00","article_modified_time":"2024-03-22T05:05:52+00:00","author":"Benjamin Taylor","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Benjamin Taylor","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/"},"author":{"name":"Benjamin Taylor","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9"},"headline":"How to implement multi-threaded parallel computing in the C language?","datePublished":"2024-03-16T04:11:27+00:00","dateModified":"2024-03-22T05:05:52+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/"},"wordCount":176,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/","name":"How to implement multi-threaded parallel computing in the C language? - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-16T04:11:27+00:00","dateModified":"2024-03-22T05:05:52+00:00","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-to-implement-multi-threaded-parallel-computing-in-the-c-language\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How to implement multi-threaded parallel computing in the C language?"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9","name":"Benjamin Taylor","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g","caption":"Benjamin Taylor"},"url":"https:\/\/www.silicloud.com\/blog\/author\/benjamintaylor\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/24993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=24993"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/24993\/revisions"}],"predecessor-version":[{"id":59064,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/24993\/revisions\/59064"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=24993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=24993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=24993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}