{"id":45053,"date":"2024-01-16T13:27:29","date_gmt":"2023-10-16T12:59:32","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45053-2\/"},"modified":"2024-05-04T18:38:42","modified_gmt":"2024-05-04T10:38:42","slug":"45053-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45053-2\/","title":{"rendered":""},"content":{"rendered":"<h1>\u672c\u8a18\u4e8b\u306e\u76ee\u7684<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u306e\u6240\u6709\u6a29\u306b\u3064\u3044\u3066\u77e5\u308b\u3053\u3068\u3067\u30e1\u30e2\u30ea\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/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\">&amp;str\u3068String\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u308b\u3002<\/ul>\n<h2>C\u8a00\u8a9e\u3068GC\u306e\u6bd4\u8f03<\/h2>\n<p>1\u6587\u5b57\u306b\u5bfe\u3057\u30661\u4e07\u30d0\u30a4\u30c8\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3001\u305d\u308c\u3092\u4e00\u4e07\u56de\u884c\u3046\u3053\u3068\u3067\u5408\u8a08\u3067100\u30e1\u30ac\u30d0\u30a4\u30c8\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u3068\u3044\u3046\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u307f\u308b\u3068\u3059\u308b\u3002<\/p>\n<p>Python<\/p>\n<pre class=\"post-pre\"><code>for _i in range(10000):\r\n    p = [b' '] * 10000\r\n<\/code><\/pre>\n<p>C\u8a00\u8a9e\u3060\u3068\u3069\u3046\u306a\u308b\u3060\u308d\u3046\u304b\uff1f<\/p>\n<pre class=\"post-pre\"><code>#include &lt;stdlib.h&gt;\r\n\r\nint main() {\r\n    for (int i = 0; i &lt; 10000; i++) {\r\n        char* p = (char*)malloc(10000);\r\n        \/\/ \u3053\u3053\u3067free(p)\u3068\u3057\u3066\u958b\u653e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\r\n    }\r\n    return 0;\r\n}\r\n<\/code><\/pre>\n<p>C\u8a00\u8a9e\u30b3\u30fc\u30c9\u306e\u4f55\u304c\u554f\u984c\u304b\u6c17\u3065\u3051\u308b\u3060\u308d\u3046\u304b\uff1f<br \/>\nC\u306e\u30b3\u30fc\u30c9\u306f\u30e1\u30e2\u30ea\u3092\u89e3\u653e\u3057\u5fd8\u308c\u3066\u3044\u308b\u3002\u30e1\u30e2\u30ea\u304c\u5727\u8feb\u3055\u308c\u3066\u30d0\u30b0\u3092\u8d77\u3053\u3057\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u4ed6\u65b9\u3067\u3001Python\u306f\u52d5\u304f\u3002GC(\u30ac\u3079\u30fc\u30ec\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3)\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3060\u3002GC\u3068\u306f\u5b9f\u884c\u4e2d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5360\u6709\u3057\u3066\u3044\u305f\u30e1\u30e2\u30ea\u9818\u57df\u306e\u3046\u3061\u4e0d\u8981\u306b\u306a\u3063\u305f\u3082\u306e\u3092\u81ea\u52d5\u7684\u306b\u691c\u77e5\u3057\u89e3\u653e\u3057\u3001\u7a7a\u304d\u9818\u57df\u3068\u3057\u3066\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n<p>Rust\u3060\u3068\u3069\u3046\u66f8\u3051\u308b\u3060\u308d\u3046\u304b<\/p>\n<pre class=\"post-pre\"><code>fn main() {\r\n    for _i in 0..10000 {\r\n        let p = vec![b' '; 10000];\r\n    }\r\n}\r\n<\/code><\/pre>\n<h2>GC\u3092\u7528\u3044\u308b\u8a00\u8a9e\u3068Rust\u306e\u6240\u6709\u6a29<\/h2>\n<p>\u4e00\u898b\u3059\u308b\u3068GC\u306b\u898b\u3048\u308b\u3002\u3057\u304b\u3057\u3001\u5b9f\u969b\u306f\u6240\u6709\u6a29\u3068\u3044\u3046\u6982\u5ff5\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002\u6240\u6709\u6a29\u3068\u306f\u5909\u6570\u304c\u305d\u306e\u6570\u5024\u306b\u5bfe\u3057\u3066\u8cac\u4efb\u3092\u6301\u3064\u3068\u3044\u3046\u3053\u3068\u3067\u3042\u308a\u4e0b\u8a18\u306e\u4e09\u3064\u3092\u610f\u5473\u3059\u308b\u3002<\/p>\n<h3>Rust\u306e\u6240\u6709\u6a29\u306b\u3064\u3044\u3066\u306e\u4e09\u3064\u306e\u539f\u5247<\/h3>\n<pre class=\"post-pre\"><code>1.Rust\u306e\u5404\u5024\u306f\u300c\u6240\u6709\u8005\u300d\u3068\u547c\u3070\u308c\u308b\u5909\u6570\u3068\u5bfe\u5fdc\u3057\u3066\u3044\u308b\r\n2.\u4e00\u5ea6\u306b\u5b58\u5728\u3067\u304d\u308b\u6240\u6709\u8005\u306f1\u4eba\u3060\u3051\r\n3.\u6240\u6709\u8005\u304c\u30b9\u30b3\u30fc\u30d7\u304b\u3089\u5916\u308c\u305f\u3089\u5024\u306f\u7834\u68c4\u3055\u308c\u308b\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u539f\u5247\u3092Rust\u306e\u30b3\u30fc\u30c9\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u307f\u308b\u3068\u3001<\/p>\n<pre class=\"post-pre\"><code>1. p\u306f\u53f3\u8fba10000\u30d0\u30a4\u30c8\u306b\u5bfe\u3057\u3066\u8cac\u4efb\u3092\u6301\u3064\u3002\r\n2. P\u306f\u4e00\u3064\u3060\u3051\u3057\u304b\u5b58\u5728\u3067\u304d\u306a\u3044 \r\n3. \u30b9\u30b3\u30fc\u30d7{}\u3092\u51fa\u308b\u3068\u5024\u3092\u7834\u68c4\u3055\u308c\u308b\u3002\u3053\u306e\u3053\u3068\u304b\u3089Rust\u306f\u30e1\u30e2\u30ea\u3092\u610f\u8b58\u3057\u306a\u3044\u305b\u305a\u306b\u52d5\u304f\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002\r\n<\/code><\/pre>\n<p>\u3057\u304b\u3057\u3053\u306e\u5834\u5408 GC\u3068\u6240\u6709\u6a29\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u308f\u304b\u308a\u8f9b\u3044\u306e\u3067\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u8aac\u660e\u3059\u308b\u3002<\/p>\n<p>\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u306f<\/p>\n<p>data_input\u3068\u3044\u3046\u95a2\u6570\u3067\u6a19\u6e96\u5165\u529b\u3092\u53d7\u3051\u53d6\u3063\u3066\u305d\u308c\u3092main\u95a2\u6570\u3067\u8868\u793a\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>Python<\/p>\n<pre class=\"post-pre\"><code>def main():\r\n    a = data_input()\r\n    print(a)\r\ndef data_input():\r\n    a = input()\r\n    return a\r\nmain()\r\n<\/code><\/pre>\n<p>Rust\u3067\u66f8\u3044\u3066\u307f\u308b<\/p>\n<pre class=\"post-pre\"><code>fn main() {\r\n    let text = String::from(\"\u3053\u3093\u306b\u3061\u306f\");\r\n    print_text(text);\r\n    println!(\"{}\", text); \/\/ \u30a8\u30e9\u30fc: \u6240\u6709\u6a29\u304c\u79fb\u52d5\u3057\u3066\u3044\u308b\r\n}\r\n\r\nfn print_text(text: String) {\r\n    println!(\"{}\", text);\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u308c\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3067\u52d5\u304b\u306a\u3044\u3002<br \/>\nmain\u95a2\u6570\u3067\u51e6\u7406\u3092\u884c\u3046\u306e\u3060\u304c\u3001text\u304cprint_text\u95a2\u6570\u306b\u79fb\u52d5\u3057\u3066\u3057\u307e\u3044\u3001print_text\u95a2\u6570\u3067\u3057\u304b\u4f7f\u3048\u305a\u3001\u30b9\u30b3\u30fc\u30d7{}\u3092\u51fa\u308b\u3068\u30e1\u30e2\u30ea\u3092\u89e3\u653e\u3055\u308c\u3066\u3057\u307e\u3046\u3002\u305d\u306e\u305f\u3081main\u95a2\u6570\u5185\u3067print_text\u95a2\u6570\u304c\u4f7f\u3048\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u3060\u3002<\/p>\n<p>\u3067\u306f\u6240\u6709\u6a29\u3068\u3044\u3046\u7279\u6027\u3092\u6301\u3063\u305f\u307e\u307e\u95a2\u6570\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u306e\u3060\u308d\u3046\u304b\uff1f\u501f\u7528\u3068\u3044\u3046\u65b9\u6cd5\u3092\u4f7f\u3048\u3070\u826f\u3044\u3002\u5177\u4f53\u7684\u306b\u306fString\u2192&amp;str\u306b\u3059\u308c\u3070\u826f\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>fn main(){\r\n    let text = String::from(\"\u3053\u3093\u306b\u3061\u306f\");\r\n    print_text(&amp;text); \/\/ text\u306e\u53c2\u7167\u3092\u8cb8\u3059\r\n}\r\n\r\nfn print_text(text: &amp;str){ \/\/ &amp;str\u578b\u306e\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b\r\n    println!(\"{}\", text);\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u3053\u308c\u306f&amp;\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u6240\u6709\u6a29\u3092main\u95a2\u6570\u3067\u6301\u3063\u305f\u307e\u307e\u3001print_text\u95a2\u6570\u306b\u4e00\u6642\u7684\u306b\u501f\u7528\u3055\u308c\u3066\u3001\u30b9\u30b3\u30fc\u30d7\u3092\u51fa\u305f\u3089\u6240\u6709\u6a29\u306fmain\u95a2\u6570\u306b\u8fd4\u3055\u308c\u308b\u306e\u3060\u3002\u305d\u306e\u305f\u3081main\u95a2\u6570\u3067\u4f7f\u7528\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u8a18\u4e8b\u306e\u76ee\u7684 Rust\u306e\u6240\u6709\u6a29\u306b\u3064\u3044\u3066\u77e5\u308b\u3053\u3068\u3067\u30e1\u30e2\u30ea\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002 &nbsp; &amp; [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45053","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>- 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\/zh\/blog\/45053-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u672c\u8a18\u4e8b\u306e\u76ee\u7684 Rust\u306e\u6240\u6709\u6a29\u306b\u3064\u3044\u3066\u77e5\u308b\u3053\u3068\u3067\u30e1\u30e2\u30ea\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002 &nbsp; 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