{"id":57794,"date":"2025-08-15T19:50:55","date_gmt":"2025-08-15T11:50:55","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/57794.html"},"modified":"2025-08-15T19:50:55","modified_gmt":"2025-08-15T11:50:55","slug":"jetpack-sdk-%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9a%e6%a0%b8%e5%bf%83%e6%a6%82%e5%bf%b5%e3%80%81%e7%bb%84%e4%bb%b6%e3%80%81%e7%89%b9%e6%80%a7%e4%b8%8e%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/57794.html","title":{"rendered":"JetPack SDK \u6df1\u5ea6\u89e3\u6790\uff1a\u6838\u5fc3\u6982\u5ff5\u3001\u7ec4\u4ef6\u3001\u7279\u6027\u4e0e\u5b9e\u8df5"},"content":{"rendered":"<hr \/>\n<p>&#x1f4d6; \u63a8\u8350\u535a\u4e3b\u4e66\u7c4d&#xff1a;\u300aYocto\u9879\u76ee\u5b9e\u6218\u6559\u7a0b:\u9ad8\u6548\u5b9a\u5236\u5d4c\u5165\u5f0fLinux\u7cfb\u7edf\u300b &#x1f3a5; \u66f4\u591a\u5b66\u4e60\u89c6\u9891\u8bf7\u5173\u6ce8 B \u7ad9&#xff1a;\u5d4c\u5165\u5f0fJerry<\/p>\n<hr \/>\n<h2>JetPack SDK \u6df1\u5ea6\u89e3\u6790&#xff1a;\u6838\u5fc3\u6982\u5ff5\u3001\u7ec4\u4ef6\u3001\u7279\u6027\u4e0e\u5b9e\u8df5<\/h2>\n<h3>1. \u4ec0\u4e48\u662f JetPack<\/h3>\n<p>JetPack SDK \u662f NVIDIA \u4e13\u4e3a Jetson \u7cfb\u5217\u5d4c\u5165\u5f0f AI \u5e73\u53f0\u63a8\u51fa\u7684\u5b8c\u6574\u8f6f\u4ef6\u5f00\u53d1\u5305&#xff08;Software Development Kit&#xff09;\u3002\u5b83\u6574\u5408\u4e86\u5f00\u53d1\u3001\u7f16\u8bd1\u3001\u90e8\u7f72\u548c\u8fd0\u884c\u6240\u9700\u7684\u5168\u90e8\u5de5\u5177\u4e0e\u5e93&#xff0c;\u652f\u6301 AI \u63a8\u7406\u3001\u8ba1\u7b97\u673a\u89c6\u89c9\u3001GPU \u52a0\u901f\u3001\u591a\u5a92\u4f53\u5904\u7406\u7b49\u529f\u80fd\u3002JetPack \u540c\u65f6\u5305\u542b Host \u7aef \u4e0e Target \u7aef \u73af\u5883&#xff0c;\u4fdd\u8bc1\u5f00\u53d1\u673a\u4e0e\u76ee\u6807\u786c\u4ef6\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<hr \/>\n<h3>2. JetPack \u7684\u4e24\u5927\u90e8\u5206<\/h3>\n<h4>2.1 Host Components&#xff08;\u4e3b\u673a\u7aef&#xff09;<\/h4>\n<p>\u8fd0\u884c\u5728 Ubuntu x86_64 \u4e0a&#xff0c;\u7528\u4e8e\u5f00\u53d1\u4e0e\u4ea4\u53c9\u7f16\u8bd1&#xff1a;<\/p>\n<ul>\n<li>\u4ea4\u53c9\u7f16\u8bd1\u5de5\u5177\u94fe&#xff1a;\u5982 aarch64-linux-gnu-gcc&#xff0c;\u7f16\u8bd1 ARM64 \u53ef\u6267\u884c\u6587\u4ef6\u3002<\/li>\n<li>CUDA Toolkit&#xff08;Host \u7248&#xff09;&#xff1a;\u7528\u4e8e\u5728 PC \u4e0a\u7f16\u8bd1 CUDA \u5e94\u7528\u3002<\/li>\n<li>TensorRT Host \u5de5\u5177&#xff1a;\u6a21\u578b\u8f6c\u6362\u3001\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177\u3002<\/li>\n<li>Nsight \u8c03\u8bd5\u5de5\u5177&#xff1a;GPU \u5185\u6838\u5206\u6790\u4e0e\u8c03\u4f18\u3002<\/li>\n<li>Flash \u5de5\u5177&#xff1a;flash.sh&#xff0c;\u5c06 L4T \u955c\u50cf\u70e7\u5199\u5230 Jetson\u3002<\/li>\n<\/ul>\n<h4>2.2 Target Components&#xff08;\u76ee\u6807\u786c\u4ef6\u7aef&#xff09;<\/h4>\n<p>\u8fd0\u884c\u5728 Jetson ARM64 \u786c\u4ef6\u4e0a&#xff1a;<\/p>\n<ul>\n<li>L4T&#xff08;Linux for Tegra&#xff09;&#xff1a;\u57fa\u4e8e Ubuntu&#xff0c;\u5185\u6838&#043;BSP&#043;\u9a71\u52a8\u3002<\/li>\n<li>CUDA Runtime&#xff1a;GPU \u8fd0\u884c\u65f6\u652f\u6301&#xff0c;\u76f4\u63a5\u8c03\u5ea6 Tegra GPU\u3002<\/li>\n<li>TensorRT Runtime&#xff1a;\u9ad8\u6027\u80fd\u63a8\u7406\u5f15\u64ce&#xff0c;\u652f\u6301 INT8\/FP16\u3002<\/li>\n<li>OpenCV \/ VPI \u5e93&#xff1a;\u8ba1\u7b97\u673a\u89c6\u89c9\u7b97\u6cd5\u52a0\u901f\u3002<\/li>\n<li>Multimedia API&#xff1a;\u786c\u4ef6\u7f16\u89e3\u7801\u3001ISP\u3001Camera \u63a7\u5236\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>3. \u6838\u5fc3\u7ec4\u4ef6\u8be6\u89e3<\/h3>\n<h4>3.1 CUDA<\/h4>\n<p>CUDA&#xff08;Compute Unified Device Architecture&#xff09; \u662f NVIDIA \u63d0\u4f9b\u7684\u5e76\u884c\u8ba1\u7b97\u5e73\u53f0\u548c\u7f16\u7a0b\u6a21\u578b&#xff0c;\u8ba9\u5f00\u53d1\u8005\u7528 C\/C&#043;&#043;\/Python \u7f16\u5199 GPU \u7a0b\u5e8f\u3002\u5b83\u7684\u6838\u5fc3\u4f5c\u7528&#xff1a;<\/p>\n<ul>\n<li>\u901a\u7528\u8ba1\u7b97\u52a0\u901f&#xff1a;\u5229\u7528 GPU \u6570\u5343\u4e2a\u6838\u5fc3\u540c\u65f6\u5904\u7406\u4efb\u52a1\u3002<\/li>\n<li>AI \u6a21\u578b\u52a0\u901f&#xff1a;\u6df1\u5ea6\u5b66\u4e60\u63a8\u7406\u548c\u8bad\u7ec3\u3002<\/li>\n<li>\u89c6\u9891\u5904\u7406&#xff1a;\u5b9e\u65f6\u8f6c\u7801\u3001\u6ee4\u955c\u3002<\/li>\n<li>\u79d1\u5b66\u8ba1\u7b97&#xff1a;\u77e9\u9635\u8fd0\u7b97\u3001\u4fe1\u53f7\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u786c\u4ef6\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u8bbf\u95ee GPU \u6838\u5fc3&#xff08;CUDA Cores&#xff09;\u3002<\/li>\n<li>\u4f7f\u7528\u5171\u4eab\u5185\u5b58\u3001\u5bc4\u5b58\u5668\u52a0\u901f\u8ba1\u7b97\u3002<\/li>\n<li>\u8c03\u7528 GPU \u786c\u4ef6\u8c03\u5ea6\u5355\u5143\u5e76\u884c\u6267\u884c\u7ebf\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u5e02\u573a\u4e0e\u5e94\u7528&#xff1a;<\/p>\n<ul>\n<li>\u81ea\u52a8\u9a7e\u9a76\u3001\u673a\u5668\u4eba\u89c6\u89c9\u3001\u533b\u7597\u5f71\u50cf\u5206\u6790\u3001\u5de5\u4e1a\u68c0\u6d4b\u3002<\/li>\n<\/ul>\n<h4>3.2 TensorRT<\/h4>\n<ul>\n<li>\u6a21\u578b\u4f18\u5316\u4e0e\u63a8\u7406\u5f15\u64ce\u3002<\/li>\n<li>\u652f\u6301\u591a\u7cbe\u5ea6\u8ba1\u7b97&#xff08;FP32\u3001FP16\u3001INT8&#xff09;\u3002<\/li>\n<li>\u51cf\u5c11\u5ef6\u8fdf\u3001\u964d\u4f4e\u5185\u5b58\u5360\u7528\u3002<\/li>\n<\/ul>\n<h4>3.3 VPI<\/h4>\n<ul>\n<li>Vision Programming Interface\u3002<\/li>\n<li>\u8c03\u7528 GPU\u3001PVA\u3001CPU \u6df7\u5408\u52a0\u901f\u89c6\u89c9\u7b97\u6cd5\u3002<\/li>\n<li>\u5178\u578b\u5e94\u7528&#xff1a;\u7acb\u4f53\u5339\u914d\u3001\u5149\u6d41\u4f30\u8ba1\u3002<\/li>\n<\/ul>\n<h4>3.4 Multimedia API<\/h4>\n<ul>\n<li>\u8bbf\u95ee NVENC\/NVDEC \u786c\u7f16\u786c\u89e3\u5f15\u64ce\u3002<\/li>\n<li>\u9ad8\u5e27\u7387\u89c6\u9891\u5904\u7406\u3001Camera \u6355\u83b7\u4e0e ISP \u8c03\u7528\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>4. JetPack \u5de5\u4f5c\u6d41\u7a0b\u903b\u8f91\u56fe<\/h3>\n<h4>4.1 Host \u4e0e Target \u534f\u4f5c<\/h4>\n<p>[Host PC] \u4ea4\u53c9\u7f16\u8bd1 CUDA\/TensorRT \u5e94\u7528<br \/>\n     \u2502<br \/>\n     \u25bc<br \/>\n\u901a\u8fc7 SSH \/ SDK Manager \u90e8\u7f72\u5230<br \/>\n     \u2502<br \/>\n     \u25bc<br \/>\n[Jetson Target] \u8fd0\u884c\u5728 L4T \u7cfb\u7edf\u4e0a&#xff0c;\u8c03\u7528 GPU\/ISP \u7b49\u786c\u4ef6\u52a0\u901f<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250815115044-689f1f1441338.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>4.2 \u8f6f\u4ef6\u6808\u7ed3\u6784<\/h4>\n<p>\u5e94\u7528\u5c42&#xff1a;AI \u63a8\u7406\u7a0b\u5e8f \/ \u8ba1\u7b97\u673a\u89c6\u89c9\u5e94\u7528<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\nAPI &amp; \u5e93&#xff1a;CUDA \/ TensorRT \/ OpenCV \/ VPI<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n\u9a71\u52a8\u5c42&#xff1a;GPU \u9a71\u52a8 \/ ISP \u9a71\u52a8 \/ \u591a\u5a92\u4f53\u9a71\u52a8<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n\u5185\u6838 &amp; BSP&#xff1a;L4T \u5185\u6838 &#043; NVP\u9a71\u52a8 &#043; \u8bbe\u5907\u6811<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n\u786c\u4ef6&#xff1a;Jetson GPU \/ ISP \/ NVENC \/ PVA<\/p>\n<hr \/>\n<h3>5. \u5b89\u88c5\u65b9\u6cd5<\/h3>\n<h4>CLI \u5b89\u88c5 Host \u7aef\u793a\u4f8b<\/h4>\n<p>sdkmanager <span class=\"token parameter variable\">&#8211;cli<\/span> <span class=\"token parameter variable\">&#8211;action<\/span> <span class=\"token function\">install<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n  &#8211;login-type devzone <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">&#8211;product<\/span> Jetson <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">&#8211;version<\/span> <span class=\"token number\">6.2<\/span>.1 <span class=\"token punctuation\">\\\\<\/span><br \/>\n  &#8211;target-os Linux <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">&#8211;host<\/span> <span class=\"token punctuation\">\\\\<\/span><br \/>\n  <span class=\"token parameter variable\">&#8211;downloadfolder<\/span> ~\/nvidia\/sdk_downloads<\/p>\n<hr \/>\n<h3>6. CUDA \u7b80\u5355\u793a\u4f8b<\/h3>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cuda_runtime.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n__global__ <span class=\"token keyword\">void<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span>a<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span>b<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span>c<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> idx <span class=\"token operator\">&#061;<\/span> threadIdx<span class=\"token punctuation\">.<\/span>x<span class=\"token punctuation\">;<\/span><br \/>\n    c<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> a<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> b<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> a<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> b<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> c<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span>d_a<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">*<\/span>d_b<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">*<\/span>d_c<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">cudaMalloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>d_a<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">cudaMalloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>d_b<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">cudaMalloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>d_c<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">cudaMemcpy<\/span><span class=\"token punctuation\">(<\/span>d_a<span class=\"token punctuation\">,<\/span> a<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cudaMemcpyHostToDevice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">cudaMemcpy<\/span><span class=\"token punctuation\">(<\/span>d_b<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cudaMemcpyHostToDevice<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    add<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>d_a<span class=\"token punctuation\">,<\/span> d_b<span class=\"token punctuation\">,<\/span> d_c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">cudaMemcpy<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> d_c<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cudaMemcpyDeviceToHost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> c<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span 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