{"id":45760,"date":"2023-01-28T15:49:35","date_gmt":"2022-11-21T14:21:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45760-2\/"},"modified":"2024-04-29T11:54:43","modified_gmt":"2024-04-29T03:54:43","slug":"45760-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45760-2\/","title":{"rendered":""},"content":{"rendered":"<h2>\u5148\u884c\u7814\u7a76<\/h2>\n<blockquote><p>\u30ac\u30c1\u52e2\u3057\u304b\u3044\u306a\u3044\u304c\u3001\u79c1\u306f\u4eca\u65e5Hello World\u3060\u3051\u3067\u3053\u3053\u306b\u6765\u305f\u3002 #rust_jp\u2014 \u9306\u3073\u3042\u308a\u306f\u3050\u308c\u30d9\u30a2\u30e1\u30bf\u30eb (@LDScell) November 26, 2018<\/p><\/blockquote>\n<p><script><\/script><\/p>\n<hr \/>\n<h2>Accel: GPGPU Framework for Rust<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u3067CUDA\u30ab\u30fc\u30cd\u30eb\u3092\u66f8\u304f<\/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\">Accel: GPGPU framework for Rust<\/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\">2017\u672b\u306b\u958b\u59cb~2,3\u30f6\u6708\u3067\u505c\u6b62<\/ul>\n<\/li>\n<\/ul>\n<p>nvptx64-nvidia-cuda \u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306brustc\u306b\u30d1\u30c3\u30c1\u5f53\u3066\u305f\u308a\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u304f\u3066\u3064\u3089\u304b\u3063\u305f<br \/>\nproc-macro\u3055\u3048\u5b89\u5b9a\u5316\u3057\u3066\u306a\u304b\u3063\u305f&#8230;<\/p>\n<p>rust-cuda WG\u304c2019\/1\u304f\u3089\u3044\u306b\u767a\u8db3<\/p>\n<p>libcore\u307e\u3067\u516c\u5f0f\u306erustup\u3067\u914d\u5e03\u3055\u308c\u3066\u308b<br \/>\nstdsimd\u306e\u6210\u679c\u3068\u3057\u3066 core::arch::nvptx \u306bLLVM\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306eintrinsics\u304c\u3042\u308b<\/p>\n<p>2020\/1~\u518d\u958b<\/p>\n<p>GitLab\u306b\u79fb\u884c https:\/\/gitlab.com\/termoshtt\/accel<\/p>\n<p>0.3.0\u958b\u767a\u4e2d&#8230;<\/p>\n<hr \/>\n<h2>CUDA\u306eprintf \/ PTX system call<\/h2>\n<pre class=\"post-pre\"><code><span class=\"cp\">#include &lt;stdio.h&gt;\r\n<\/span>\r\n<span class=\"n\">__global__<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">test<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello world from %d of %d<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">threadIdx<\/span><span class=\"p\">.<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">blockDim<\/span><span class=\"p\">.<\/span><span class=\"n\">x<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e printf \u306fCPU\u306e\u65b9\u306b\u547d\u4ee4\u3092\u6295\u3052\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3001CUDA\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u306fPTX system call\u306b\u3042\u308b vprintf \u306e\u547c\u3073\u51fa\u3057\u306b\u5909\u63db\u3055\u308c\u3066\u3001\u5b9f\u884c\u6642\u306b\u306f\u30c9\u30e9\u30a4\u30d0\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306b\u306f\u4ee5\u4e0b\u306e\uff14\u3064\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c core::arch::nvptx \u306b\u5bfe\u5fdc\u3059\u308b\u547d\u4ee4\u304c\u3042\u308b<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">vprintf<\/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\">malloc<\/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\">free<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">__assert_fail<\/ul>\n<hr \/>\n<h2>print! macro<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u306eprint!\u306a\u3069\u306f\u5185\u90e8\u3067\u30e1\u30e2\u30ea\u78ba\u4fdd\u3092\u884c\u3046\u306e\u3067libcore\u306b\u306f\u306a\u3044<\/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\">\u6700\u8fd1std\u304b\u3089\u30e1\u30e2\u30ea\u78ba\u4fdd\u3060\u3051\u3092\u5fc5\u8981\u3068\u3059\u308b\u90e8\u5206\u3092\u5206\u96e2\u3057\u305falloc crate\u3068\u3044\u3046\u306e\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>Global Allocator\u3055\u3048\u3042\u308c\u3070\u52d5\u304f<\/p>\n<p>malloc\/free\u304cPTX system call\u306b\u3042\u308b\u306e\u3067\u52d5\u304f<\/p>\n<p>format!\u30de\u30af\u30ed\u306f\u3042\u308b\u306e\u3067\u6587\u5b57\u5217\u306b\u306f\u51fa\u6765\u308b<br \/>\n\u3057\u304b\u3057\u6a19\u6e96\u51fa\u529b\u306fstd\u306b\u3057\u304b\u7121\u3044<\/p>\n<p>\u306a\u306e\u3067 vprintf system call\u306b\u6587\u5b57\u5217\u3092\u4e0a\u3052\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">#[macro_export]<\/span>\r\n<span class=\"nd\">macro_rules!<\/span> <span class=\"n\">print<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"p\">(<\/span><span class=\"nv\">$<\/span><span class=\"p\">(<\/span><span class=\"nv\">$arg:tt<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"p\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"p\">::<\/span><span class=\"nn\">alloc<\/span><span class=\"p\">::<\/span><span class=\"nd\">format!<\/span><span class=\"p\">(<\/span><span class=\"nv\">$<\/span><span class=\"p\">(<\/span><span class=\"nv\">$arg<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">unsafe<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"p\">::<\/span><span class=\"nn\">core<\/span><span class=\"p\">::<\/span><span class=\"nn\">arch<\/span><span class=\"p\">::<\/span><span class=\"nn\">nvptx<\/span><span class=\"p\">::<\/span><span class=\"nf\">vprintf<\/span><span class=\"p\">(<\/span><span class=\"n\">msg<\/span><span class=\"nf\">.as_ptr<\/span><span class=\"p\">(),<\/span> <span class=\"p\">::<\/span><span class=\"nn\">core<\/span><span class=\"p\">::<\/span><span class=\"nn\">ptr<\/span><span class=\"p\">::<\/span><span class=\"nf\">null_mut<\/span><span class=\"p\">());<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>Hello World!<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">accel<\/span><span class=\"p\">::<\/span><span class=\"o\">*<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">accel_derive<\/span><span class=\"p\">::<\/span><span class=\"n\">kernel<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nd\">#[kernel]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">print<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">accel_core<\/span><span class=\"p\">::<\/span><span class=\"nf\">index<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nn\">accel_core<\/span><span class=\"p\">::<\/span><span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello from {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nn\">anyhow<\/span><span class=\"p\">::<\/span><span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">grid<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Grid<\/span><span class=\"p\">::<\/span><span class=\"nf\">x<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">block<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Block<\/span><span class=\"p\">::<\/span><span class=\"nf\">x<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">device<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">driver<\/span><span class=\"p\">::<\/span><span class=\"nn\">Device<\/span><span class=\"p\">::<\/span><span class=\"nf\">nth<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"mi\">_<\/span><span class=\"n\">ctx<\/span> <span class=\"o\">=<\/span> <span class=\"n\">device<\/span><span class=\"nf\">.create_context_auto<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">grid<\/span><span class=\"p\">,<\/span> <span class=\"n\">block<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u884c\u7814\u7a76 \u30ac\u30c1\u52e2\u3057\u304b\u3044\u306a\u3044\u304c\u3001\u79c1\u306f\u4eca\u65e5Hello World\u3060\u3051\u3067\u3053\u3053\u306b\u6765\u305f\u3002 #rust_jp\u2014 \u9306\u3073\u3042\u308a\u306f [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45760","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 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