{"id":559,"date":"2024-03-05T23:08:44","date_gmt":"2024-03-05T15:08:44","guid":{"rendered":"https:\/\/www.xudongvp.com\/?p=559"},"modified":"2024-04-13T23:54:46","modified_gmt":"2024-04-13T15:54:46","slug":"java%e7%9a%84jmh%e5%be%ae%e5%9f%ba%e5%87%86%e6%80%a7%e8%83%bd%e6%b5%8b%e8%af%95%e5%88%a9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.xudongvp.com\/?p=559","title":{"rendered":"JAVA\u7684JMH:\u5fae\u57fa\u51c6\u6027\u80fd\u6d4b\u8bd5\u5229\u5668"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5f97\u76ca\u4e8eOPENJDK\u7684\u8d21\u732e\uff0cJAVA\u9886\u57df\u51fa\u73b0\u4e86JMH\u8fd9\u6837\u7684\u5fae\u57fa\u51c6\u6027\u80fd\u6d4b\u8bd5\u5229\u5668\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e73\u65f6\u5728\u5bf9\u6bd4\u4e24\u4e2a\u529f\u80fd\u5b9e\u73b0\u7684\u65f6\u5019\uff0c\u9884\u70ed\uff0c\u591a\u6b21\u6d4b\u8bd5\uff0c\u5e73\u5747\u503c\uff0c\u6027\u80fd\u5ea6\u91cf\u7b49\u8981\u8003\u8651\u4e00\u5806\u8981\u7d20\uff0c\u4f7f\u7528JMH\uff0c\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\u7684\u65b9\u5f0f\uff0c\u975e\u5e38\u5feb\u901f\u7684\u89e3\u51b3\u8fd9\u4e9b\u5e38\u89c1\u7684\u8bc9\u6c42\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u53ea\u8981\u805a\u7126\u5728\u88ab\u6d4b\u8bd5\u7684\u4ee3\u7801\u6bb5\u4e0a\u5c31\u597d\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ecb\u7ecdJMH\u8be6\u60c5\u7528\u6cd5\u7684\u5f88\u591a\uff0c\u8fd9\u91cc\u53ea\u63d0\u4e24\u70b9\uff0c\u7b2c\u4e00\u4e2a\u5c31\u662fPOM\u4f9d\u8d56\u7684\u6b63\u786e\u5f15\u5165\uff0c\u7b2c\u4e8c\u4e2a\u5c31\u662f\u5982\u4f55\u8fd0\u884c\u8d77\u6765\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001POM\u4f9d\u8d56\u5f15\u5165<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"xml\" class=\"language-xml\">&lt;\/dependencies>    \n    &lt;dependency>\n      &lt;groupId>org.openjdk.jmh&lt;\/groupId>\n      &lt;artifactId>jmh-core&lt;\/artifactId>\n      &lt;version>1.21&lt;\/version>\n      &lt;scope>test&lt;\/scope>\n    &lt;\/dependency>\n    &lt;dependency>\n      &lt;groupId>org.openjdk.jmh&lt;\/groupId>\n      &lt;artifactId>jmh-generator-annprocess&lt;\/artifactId>\n      &lt;version>1.21&lt;\/version>\n      &lt;scope>test&lt;\/scope>\n    &lt;\/dependency>\n&lt;\/dependencies><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff0c\u4e00\u5b9a\u8981\u8bb0\u5f97\u5f15\u5165\u7b2c\u4e8c\u4e2a\u3002\u5426\u5219\u3002\u3002\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5982\u4f55\u8fd0\u884c\u8d77\u6765<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u8d77\u6765\u8fd9\u4e2a\u95ee\u9898\u662f\u4e00\u4e2a\u4e0d\u5e94\u8be5\u5b58\u5728\u7684\u95ee\u9898\uff0c\u4f46\u662f\u6211\u770b\u4e86\u4e00\u5806JMH\u7684\u6587\u7ae0\uff0c\u5927\u5bb6\u90fd\u5728\u8ba4\u771f\u7684\u4ecb\u7ecdJMH\u7684\u5404\u79cd\u7279\u6027\uff0c\u4f46\u662f\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5148\u628a\u4f8b\u5b50\u8dd1\u8d77\u6765\uff0c\u6700\u76f4\u89c2\u7684\u611f\u53d7\u624d\u4f1a\u51fa\u6765\uff0c\u624d\u4f1a\u6709\u7ee7\u7eed\u6df1\u5165\u5b66\u4e60\u4e0b\u53bb\u7684\u52a8\u529b\uff0c\u5426\u5219\u8fd0\u884c\u90fd\u8fd0\u884c\u4e0d\u8d77\u6765\u3002\u770b\u7740JMH\u7684\u8bf4\u660e\uff0c\u5927\u8111\u505aCPU\u8fdb\u884c\u7a0b\u5e8f\u6a21\u62df\u548c\u5e7b\u60f3\u4e48\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u88c5JMH\u63d2\u4ef6\uff1aJMH Java Microbenchmark Harness<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1024x768.png\" alt=\"\" class=\"wp-image-560\" style=\"width:1100px;height:auto\" srcset=\"https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1024x768.png 1024w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-300x225.png 300w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-768x576.png 768w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1536x1151.png 1536w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-2048x1535.png 2048w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-467x350.png 467w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u88c5\u5b8c\u63d2\u4ef6\u540e\uff0c\u5728idea\u7684\u4ee3\u7801\u884c\uff0cJMH\u76f8\u5173\u4ee3\u7801\u884c\u7684\u5de6\u4fa7\uff0c\u624d\u4f1a\u51fa\u73b0\u7c7b\u4f3cJUNIT\u90a3\u6837\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1-1024x614.png\" alt=\"\" class=\"wp-image-561\" srcset=\"https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1-1024x614.png 1024w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1-300x180.png 300w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1-768x461.png 768w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1-583x350.png 583w, https:\/\/www.xudongvp.com\/wp-content\/uploads\/2024\/03\/image-1.png 1180w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\u8bf4\u4e00\u53e5\uff0c\u5982\u679c\u8fd0\u884c\u62a5\u9519\u4e86\uff0c\u8bf4\u7f3a\u5c11\u4ec0\u4e48List\u6587\u4ef6\u4e4b\u7c7b\u7684\uff0c\u68c0\u67e5\u4e00\u4e0b\uff0c\u662f\u4e0d\u662f\u5f15\u5165\u4f9d\u8d56\u7684\u65f6\u5019\uff0c\u5c11\u5f15\u5165\u4e86\u7b2c\u4e8c\u4e2a\u6ce8\u89e3\u5904\u7406\u5668\u7684\u4f9d\u8d56\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f97\u76ca\u4e8eOPENJDK\u7684\u8d21\u732e\uff0cJAVA\u9886\u57df\u51fa\u73b0\u4e86JMH\u8fd9\u6837\u7684\u5fae\u57fa\u51c6\u6027\u80fd\u6d4b\u8bd5\u5229\u5668\u3002 \u5e73\u65f6\u5728\u5bf9\u6bd4\u4e24\u4e2a\u529f\u80fd\u5b9e\u73b0\u7684\u65f6\u5019\uff0c\u9884\u70ed\uff0c\u591a\u6b21\u6d4b\u8bd5\uff0c\u5e73\u5747\u503c\uff0c\u6027\u80fd\u5ea6\u91cf\u7b49\u8981\u8003\u8651\u4e00\u5806\u8981\u7d20\uff0c\u4f7f\u7528JMH\uff0c\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\u7684\u65b9\u5f0f\uff0c\u975e\u5e38\u5feb\u901f\u7684\u89e3\u51b3\u8fd9\u4e9b\u5e38\u89c1\u7684\u8bc9\u6c42\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u53ea\u8981\u805a\u7126\u5728\u88ab\u6d4b\u8bd5\u7684\u4ee3\u7801\u6bb5\u4e0a\u5c31\u597d\u4e86\u3002 \u4ecb\u7ecdJMH\u8be6\u60c5\u7528\u6cd5\u7684\u5f88\u591a\uff0c\u8fd9\u91cc\u53ea\u63d0\u4e24\u70b9\uff0c\u7b2c\u4e00\u4e2a\u5c31\u662fPOM\u4f9d\u8d56\u7684\u6b63\u786e\u5f15\u5165\uff0c\u7b2c\u4e8c\u4e2a\u5c31\u662f\u5982\u4f55\u8fd0\u884c\u8d77\u6765\u3002 \u4e00\u3001POM\u4f9d\u8d56\u5f15\u5165 \u6ce8\u610f\uff0c\u4e00\u5b9a\u8981\u8bb0\u5f97\u5f15\u5165\u7b2c\u4e8c\u4e2a\u3002\u5426\u5219\u3002\u3002\u3002 \u4e8c\u3001\u5982\u4f55\u8fd0\u884c\u8d77\u6765 \u770b\u8d77\u6765\u8fd9\u4e2a\u95ee\u9898\u662f\u4e00\u4e2a\u4e0d\u5e94\u8be5\u5b58\u5728\u7684\u95ee\u9898\uff0c\u4f46\u662f\u6211\u770b\u4e86\u4e00\u5806JMH\u7684\u6587\u7ae0\uff0c\u5927\u5bb6\u90fd\u5728\u8ba4\u771f\u7684\u4ecb\u7ecdJMH\u7684\u5404\u79cd\u7279\u6027\uff0c\u4f46\u662f\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5148\u628a\u4f8b\u5b50\u8dd1\u8d77\u6765\uff0c\u6700\u76f4\u89c2\u7684\u611f\u53d7\u624d\u4f1a &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,33,23],"tags":[34,68,70,69],"class_list":["post-559","post","type-post","status-publish","format-standard","hentry","category-5","category-33","category-23","tag-java","tag-jmh","tag-70","tag-69"],"_links":{"self":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=559"}],"version-history":[{"count":1,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/559\/revisions"}],"predecessor-version":[{"id":562,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=\/wp\/v2\/posts\/559\/revisions\/562"}],"wp:attachment":[{"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xudongvp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}