{"id":28181,"date":"2023-10-07T16:54:36","date_gmt":"2023-04-17T05:39:26","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8openj9\/"},"modified":"2025-08-12T06:45:18","modified_gmt":"2025-08-11T22:45:18","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8openj9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8openj9\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528OpenJ9"},"content":{"rendered":"<p>\u56e0\u70ba\u6709\u4e00\u500b\u53eb\u505aOpenJ9\u7684\u6771\u897f\u548cJava 9\u540c\u6642\u767c\u5e03\uff0c\u6240\u4ee5\u6211\u6709\u9ede\u64d4\u5fc3\u3002\u7db2\u7ad9\u4e0a\u6709\u4ee5\u4e0b\u7684\u5167\u5bb9\u3002<\/p>\n<blockquote><p>\u63d0\u5347\u60a8\u7684Java\u5e94\u7528\u6027\u80fd<\/p>\n<p>\u4f4e\u5185\u5b58\u5360\u7528\u3002\u5feb\u901f\u542f\u52a8\u65f6\u95f4\u3002\u9ad8\u5e94\u7528\u541e\u5410\u91cf\u3002<br \/>\n\u9488\u5bf9\u4ee5\u6700\u4f4e\u6210\u672c\u5728\u4e91\u4e0a\u8fd0\u884cJava\u5e94\u7528\u8fdb\u884c\u4f18\u5316\u3002<br \/>\n\u60f3\u8981\u4e00\u4e2a\u5305\u542b\u4f01\u4e1a\u7ea7\u3001\u5f00\u6e90\u7684Java\u865a\u62df\u673a\u7684OpenJDK\u7248\u672c\u5417\uff1f<br \/>\n\u83b7\u53d6\u9884\u5148\u6784\u5efa\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u4eb2\u81ea\u5c1d\u8bd5\u4e00\u4e0b\u5427&#8230;<\/p><\/blockquote>\n<p>\u5177\u4f53\u800c\u8a00\uff0c\u6211\u5011\u6703\u95dc\u6ce8\u5b83\u662f\u5426\u8655\u7406\u901f\u5ea6\u5feb\uff1f\u6bd4JVM\u555f\u52d5\u901f\u5ea6\u5feb\u55ce\uff1f\u9084\u662f\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u5c11\u5462\uff1f\u4e0d\u904e\uff0c\u9996\u5148\u6211\u5011\u5148\u5f9e\u8655\u7406\u901f\u5ea6\u65b9\u9762\u4f86\u770b\u3002<\/p>\n<h2>\u514d\u8d23<\/h2>\n<p>\u4ed5\u4e8b\u306e\u606f\u629c\u304d\u306b\u30b9\u30fc\u30d1\u30fc\u96d1\u306b\u3084\u3063\u305f\u3060\u3051\u306a\u306e\u3067\u3001\u3061\u3083\u3093\u3068\u3057\u305f\u8a73\u7d30\u306a\u30d9\u30f3\u30c1\u306f\u4ed6\u306e\u65b9\u306e\u3092\u5fa1\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u73af\u5883<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Vagrant 1.9.1<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4f7f\u7528Box: ubuntu\/xenial64<\/ul>\n<\/li>\n<\/ul>\n<p>3\u3064\u306e\u4eee\u60f3\u74b0\u5883\u306b\u305d\u308c\u305e\u308c JDK8 \/ JDK9 \/ JDK9+OpenJ9 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/p>\n<h2>\u4ee3\u7801<\/h2>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.math.*<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">test<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">final<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">int<\/span> <span class=\"no\">LOOP_COUNT<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1_000_000_000<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">BigInteger<\/span> <span class=\"n\">bi<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">BigInteger<\/span><span class=\"o\">.<\/span><span class=\"na\">ZERO<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"k\">for<\/span><span class=\"o\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"no\">LOOP_COUNT<\/span><span class=\"o\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">BigInteger<\/span> <span class=\"n\">_bi<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">BigInteger<\/span><span class=\"o\">.<\/span><span class=\"na\">valueOf<\/span><span class=\"o\">(<\/span><span class=\"n\">i<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">bi<\/span> <span class=\"o\">=<\/span> <span class=\"n\">bi<\/span><span class=\"o\">.<\/span><span class=\"na\">add<\/span><span class=\"o\">(<\/span><span class=\"n\">_bi<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n        <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">bi<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e00\u4e2a\u7cdf\u7cd5\u7684\u4ee3\u7801\uff0c\u53ea\u662f\u8fdb\u884c\u4e8610\u4ebf\u6b21\u5faa\u73af\u5e76\u76f8\u52a0\u3002<\/p>\n<h2>\u8a08\u6e2c\u65b9\u6cd5<\/h2>\n<pre class=\"post-pre\"><code>javac test.java\r\n<span class=\"nb\">time <\/span>java <span class=\"nb\">test<\/span>\r\n<\/code><\/pre>\n<p>\u4e0d\u7cbe\u786e\u7684\u6d4b\u91cf\u3002<\/p>\n<h2>\u6210\u679c\u3002<\/h2>\n<h3>JDK8<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">time <\/span>java <span class=\"nb\">test\r\n<\/span>499999999500000000\r\n\r\nreal    0m31.215s\r\nuser    0m22.668s\r\nsys 0m7.332s\r\n<\/code><\/pre>\n<h3>JDK9 is JDK9<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">time <\/span>java <span class=\"nb\">test\r\n<\/span>499999999500000000\r\n\r\nreal    0m24.734s\r\nuser    0m18.532s\r\nsys 0m4.936s\r\n<\/code><\/pre>\n<h3>JDK9\u548cOpenJ9<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">time <\/span>java <span class=\"nb\">test\r\n<\/span>499999999500000000\r\n\r\nreal    0m54.416s\r\nuser    0m48.192s\r\nsys 0m4.500s\r\n<\/code><\/pre>\n<hr \/>\n<p>\u6211\u7a81\u7136\u6709\u79cd\uff0c\u201c\u54a6\uff0c\u6211\u662f\u4e0d\u662f\u5f04\u9519\u4e86\u4ec0\u4e48\u2026\u201d\u7684\u611f\u89c9\u3002<\/p>\n<p>\u4e5f\u8bb8\u53ef\u4ee5\u8bd5\u4e00\u8bd5\u5c06\u5185\u5b58\u4f7f\u7528\u91cf\u7528\u4e8e Minecraft \u7684 JVM\uff0c\u770b\u770b\u662f\u5426\u80fd\u611f\u53d7\u5f97\u5230\uff1f\uff08\u968f\u4fbf\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u56e0\u70ba\u6709\u4e00\u500b\u53eb\u505aOpenJ9\u7684\u6771\u897f\u548cJava 9\u540c\u6642\u767c\u5e03\uff0c\u6240\u4ee5\u6211\u6709\u9ede\u64d4\u5fc3\u3002\u7db2\u7ad9\u4e0a\u6709\u4ee5\u4e0b\u7684\u5167\u5bb9\u3002 \u63d0\u5347\u60a8\u7684Java [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28181","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"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>\u5c1d\u8bd5\u4f7f\u7528OpenJ9 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5c1d\u8bd5\u4f7f\u7528OpenJ9\u7684\u6280\u672f\u6587\u7ae0\" \/>\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\/zh\/blog\/\u5c1d\u8bd5\u4f7f\u7528openj9\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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