{"id":97937,"date":"2026-08-30T18:48:53","date_gmt":"2026-08-30T10:48:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/97937.html"},"modified":"2026-08-30T18:48:53","modified_gmt":"2026-08-30T10:48:53","slug":"rk3588%e6%9e%b6%e6%9e%84-%e8%be%b9%e7%bc%98ai%e8%a7%86%e8%a7%8904-%e9%9b%b6%e6%8b%b7%e8%b4%9d%e8%b7%a8%e8%bf%9b%e7%a8%8b%e9%80%9a%e4%bf%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/97937.html","title":{"rendered":"RK3588\u67b6\u6784 \u8fb9\u7f18AI\u89c6\u89c904-\u96f6\u62f7\u8d1d\u8de8\u8fdb\u7a0b\u901a\u4fe1"},"content":{"rendered":"<h2>RK3588\u67b6\u6784 \u96f6\u62f7\u8d1d\u8de8\u8fdb\u7a0b\u901a\u4fe1&#xff1a;\u8fb9\u7f18\u670d\u52a1\u548c\u7b97\u6cd5\u670d\u52a1\u4e4b\u95f4\u5982\u4f55\u505a\u5230\u8fd1\u96f6 CPU \u8d1f\u8f7d\u7684\u56fe\u50cf\u4f20\u8f93<\/h2>\n<p>\u4e0a\u4e00\u7bc7\u6211\u4eec\u5206\u4eab\u4e86\u540c\u6e90\u591a\u4efb\u52a1\u8c03\u5ea6&#xff0c;\u8ba9\u4e00\u8def\u89c6\u9891\u6d41\u540c\u65f6\u652f\u6491\u591a\u4e2a\u7b97\u6cd5\u4efb\u52a1\u3002\u8fd9\u4e00\u7bc7\u6211\u4eec\u6df1\u5165\u5230\u8fdb\u7a0b\u95f4\u901a\u4fe1\u2014\u2014\u4e09\u8fdb\u7a0b\u67b6\u6784\u4e0b&#xff0c;\u8fb9\u7f18\u6838\u5fc3\u670d\u52a1\u548c\u63a8\u7406\u5f15\u64ce\u662f\u4e24\u4e2a\u72ec\u7acb\u8fdb\u7a0b&#xff0c;\u89e3\u7801\u548c\u9884\u5904\u7406\u540e\u7684\u56fe\u50cf\u5e27\u600e\u4e48\u4f20\u7ed9\u63a8\u7406\u5f15\u64ce\u505a\u63a8\u7406&#xff1f;\u5982\u679c\u7528\u4f20\u7edf\u7684 socket \u6216\u7ba1\u9053\u4f20\u8f93&#xff0c;\u4e00\u5e27 1080P \u56fe\u50cf\u5c31\u8981\u62f7\u8d1d\u597d\u51e0\u6b21&#xff0c;CPU \u5360\u7528\u548c\u5ef6\u8fdf\u90fd\u5f88\u9ad8\u3002\u672c\u6587\u5206\u4eab\u6211\u4eec\u7684\u96f6\u62f7\u8d1d\u901a\u4fe1\u65b9\u6848&#xff0c;\u4ee5\u53ca\u80cc\u538b\u63a7\u5236\u7b56\u7565\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u80cc\u666f&#xff1a;\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u74f6\u9888<\/h3>\n<p>\u4e09\u8fdb\u7a0b\u67b6\u6784\u4e0b&#xff0c;\u89c6\u9891\u5904\u7406\u7684\u6d41\u6c34\u7ebf\u662f\u8fd9\u6837\u7684&#xff1a;<\/p>\n<p>\u8fb9\u7f18\u6838\u5fc3\u670d\u52a1 (Core Service)                    NPU \u63a8\u7406\u4e0e\u7b97\u6cd5\u8c03\u5ea6\u5f15\u64ce (Algo Runner)<br \/>\nRTSP \u62c9\u6d41 \u2192 MPP \u786c\u89e3\u7801 \u2192 RGA \u9884\u5904\u7406 \u2192 ??? \u2192 NPU \u63a8\u7406 \u2192 \u540e\u5904\u7406 \u2192 \u8fd4\u56de\u7ed3\u679c<\/p>\n<p>\u4e2d\u95f4\u7684\u300c???\u300d\u5c31\u662f\u8fdb\u7a0b\u95f4\u901a\u4fe1\u2014\u2014\u6838\u5fc3\u670d\u52a1\u628a\u9884\u5904\u7406\u540e\u7684\u56fe\u50cf\u5e27\u4f20\u7ed9\u63a8\u7406\u5f15\u64ce\u3002<\/p>\n<p>\u8fd9\u4e00\u6b65\u770b\u8d77\u6765\u7b80\u5355&#xff0c;\u4f46\u5728\u591a\u8def\u89c6\u9891\u7684\u8fb9\u7f18\u573a\u666f\u4e0b&#xff0c;\u5b83\u662f\u4e00\u4e2a\u4e0d\u5c0f\u7684\u6027\u80fd\u74f6\u9888\u3002<\/p>\n<h4>\u4f20\u7edf\u65b9\u6848&#xff1a;socket \u4f20\u8f93\u56fe\u50cf\u5b57\u8282<\/h4>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6848\u662f\u7528 socket&#xff08;TCP\/Unix Domain Socket&#xff09;\u628a\u56fe\u50cf\u6570\u636e\u5e8f\u5217\u5316\u540e\u4f20\u8fc7\u53bb&#xff1a;<\/p>\n<p>\u6838\u5fc3\u670d\u52a1&#xff1a;\u628a\u56fe\u50cf\u5e27\u5e8f\u5217\u5316\u6210\u5b57\u8282\u6d41 \u2192 \u901a\u8fc7 socket \u53d1\u9001 \u2192 \u63a8\u7406\u5f15\u64ce&#xff1a;\u63a5\u6536 \u2192 \u53cd\u5e8f\u5217\u5316\u6210\u56fe\u50cf<\/p>\n<p>\u8fd9\u4e2a\u65b9\u6848\u7684\u95ee\u9898\u662f\u62f7\u8d1d\u6b21\u6570\u592a\u591a&#xff1a;<\/p>\n<li>\u7b2c\u4e00\u6b21\u62f7\u8d1d&#xff1a;RGA \u9884\u5904\u7406\u8f93\u51fa\u5230\u6838\u5fc3\u670d\u52a1\u7684\u5185\u5b58\u7f13\u51b2\u533a<\/li>\n<li>\u7b2c\u4e8c\u6b21\u62f7\u8d1d&#xff1a;\u6838\u5fc3\u670d\u52a1\u628a\u56fe\u50cf\u6570\u636e\u4ece\u5185\u5b58\u7f13\u51b2\u533a\u62f7\u8d1d\u5230 socket \u53d1\u9001\u7f13\u51b2\u533a<\/li>\n<li>\u7b2c\u4e09\u6b21\u62f7\u8d1d&#xff1a;\u5185\u6838\u628a socket \u53d1\u9001\u7f13\u51b2\u533a\u7684\u6570\u636e\u62f7\u8d1d\u5230\u63a8\u7406\u5f15\u64ce\u7684\u63a5\u6536\u7f13\u51b2\u533a<\/li>\n<li>\u7b2c\u56db\u6b21\u62f7\u8d1d&#xff1a;\u63a8\u7406\u5f15\u64ce\u628a\u6570\u636e\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u62f7\u8d1d\u5230\u81ea\u5df1\u7684\u5185\u5b58\u7f13\u51b2\u533a&#xff0c;\u51c6\u5907\u9001 NPU \u63a8\u7406<\/li>\n<p>\u4e00\u5e27 1080P RGB \u56fe\u50cf\u5927\u7ea6 6MB&#xff08;1920\u00d71080\u00d73 \u5b57\u8282&#xff09;&#xff0c;\u62f7\u8d1d 4 \u6b21\u5c31\u662f 24MB \u7684\u5185\u5b58\u5e26\u5bbd\u5360\u7528\u30028 \u8def\u89c6\u9891\u3001\u6bcf\u8def 10fps&#xff0c;\u5c31\u662f\u6bcf\u79d2 8\u00d710\u00d724MB &#061; 1.92GB\/s \u7684\u5185\u5b58\u62f7\u8d1d\u3002<\/p>\n<p>\u8fd9\u4e2a\u91cf\u7ea7\u7684\u5185\u5b58\u62f7\u8d1d&#xff0c;\u5728 RK3588 \u4e0a\u4f1a\u5bfc\u81f4&#xff1a;<\/p>\n<ul>\n<li>CPU \u5360\u7528\u9ad8\u2014\u2014\u5185\u5b58\u62f7\u8d1d\u867d\u7136\u662f DMA \u505a\u7684&#xff0c;\u4f46\u7ba1\u7406\u62f7\u8d1d\u3001\u8c03\u5ea6\u3001\u540c\u6b65\u90fd\u8981 CPU \u53c2\u4e0e&#xff0c;\u5b9e\u6d4b 8 \u8def 10fps \u4e0b CPU \u5360\u7528 15-25%<\/li>\n<li>\u5ef6\u8fdf\u9ad8\u2014\u2014\u56db\u6b21\u62f7\u8d1d &#043; \u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316&#xff0c;\u7aef\u5230\u7aef\u5ef6\u8fdf 10-20ms<\/li>\n<li>\u5185\u5b58\u5e26\u5bbd\u74f6\u9888\u2014\u2014RK3588 \u7684\u5185\u5b58\u5e26\u5bbd\u867d\u7136\u4e0d\u4f4e&#xff0c;\u4f46 1.92GB\/s \u7684\u62f7\u8d1d\u5360\u7528\u4e86\u5927\u91cf\u5e26\u5bbd&#xff0c;\u53ef\u80fd\u5f71\u54cd NPU \u63a8\u7406&#xff08;NPU \u4e5f\u8981\u4ece\u5185\u5b58\u8bfb\u5199\u6570\u636e&#xff09;<\/li>\n<\/ul>\n<p>\u66f4\u5173\u952e\u7684\u662f&#xff1a;\u8fd9\u4e9b\u62f7\u8d1d\u5b8c\u5168\u662f\u6d6a\u8d39\u3002 \u56fe\u50cf\u6570\u636e\u5c31\u5728\u5185\u5b58\u91cc&#xff0c;\u4e24\u4e2a\u8fdb\u7a0b\u5728\u540c\u4e00\u5757\u82af\u7247\u4e0a&#xff0c;\u4e3a\u4ec0\u4e48\u8981\u628a\u6570\u636e\u62f7\u6765\u62f7\u53bb&#xff1f;\u80fd\u4e0d\u80fd\u8ba9\u4e24\u4e2a\u8fdb\u7a0b\u76f4\u63a5\u8bbf\u95ee\u540c\u4e00\u5757\u5185\u5b58&#xff1f;<\/p>\n<p>\u8fd9\u5c31\u662f\u96f6\u62f7\u8d1d\u8981\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u96f6\u62f7\u8d1d\u539f\u7406&#xff1a;\u8ba9\u4e24\u4e2a\u8fdb\u7a0b\u5171\u4eab\u540c\u4e00\u5757\u5185\u5b58<\/h3>\n<p>\u96f6\u62f7\u8d1d&#xff08;Zero Copy&#xff09;\u7684\u6838\u5fc3\u601d\u60f3\u662f&#xff1a;\u6570\u636e\u5728\u5185\u5b58\u4e2d\u53ea\u5b58\u4e00\u4efd&#xff0c;\u591a\u4e2a\u8fdb\u7a0b\u901a\u8fc7\u67d0\u79cd\u673a\u5236\u5171\u4eab\u8bbf\u95ee&#xff0c;\u4e0d\u9700\u8981\u5728\u8fdb\u7a0b\u95f4\u62f7\u8d1d\u6570\u636e\u3002<\/p>\n<p>\u5728 Linux \u4e0a&#xff0c;\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u96f6\u62f7\u8d1d\u7684\u5e38\u7528\u65b9\u5f0f\u6709\u51e0\u79cd&#xff1a;<\/p>\n<h4>\u65b9\u5f0f\u4e00&#xff1a;\u5171\u4eab\u5185\u5b58&#xff08;System V \/ POSIX shm&#xff09;<\/h4>\n<p>\u6700\u7ecf\u5178\u7684\u96f6\u62f7\u8d1d\u65b9\u5f0f\u3002\u4e00\u4e2a\u8fdb\u7a0b\u521b\u5efa\u4e00\u5757\u5171\u4eab\u5185\u5b58\u533a\u57df&#xff0c;\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u628a\u5b83\u6620\u5c04\u5230\u81ea\u5df1\u7684\u5730\u5740\u7a7a\u95f4&#xff0c;\u4e24\u4e2a\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u76f4\u63a5\u8bfb\u5199\u540c\u4e00\u5757\u7269\u7406\u5185\u5b58\u3002<\/p>\n<p>\u4f18\u70b9&#xff1a;\u7b80\u5355\u3001\u6210\u719f\u3001\u517c\u5bb9\u6027\u597d\u3002<br \/>\n\u7f3a\u70b9&#xff1a;\u9700\u8981\u81ea\u5df1\u5904\u7406\u540c\u6b65&#xff08;\u4fe1\u53f7\u91cf\/\u4e92\u65a5\u9501&#xff09;&#xff0c;\u5185\u5b58\u5206\u914d\u548c\u7ba1\u7406\u6bd4\u8f83\u5e95\u5c42\u3002<\/p>\n<h4>\u65b9\u5f0f\u4e8c&#xff1a;\u5185\u5b58\u6620\u5c04&#xff08;mmap&#xff09;<\/h4>\n<p>\u628a\u4e00\u4e2a\u6587\u4ef6&#xff08;\u6216\u533f\u540d\u6587\u4ef6&#xff09;\u6620\u5c04\u5230\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4&#xff0c;\u591a\u4e2a\u8fdb\u7a0b\u6620\u5c04\u540c\u4e00\u4e2a\u6587\u4ef6&#xff0c;\u5c31\u5171\u4eab\u4e86\u540c\u4e00\u5757\u5185\u5b58\u3002<\/p>\n<p>\u4f18\u70b9&#xff1a;\u53ef\u4ee5\u7528\u6587\u4ef6\u505a\u6301\u4e45\u5316&#xff0c;\u63a5\u53e3\u76f8\u5bf9\u53cb\u597d\u3002<br \/>\n\u7f3a\u70b9&#xff1a;\u548c shm \u7c7b\u4f3c&#xff0c;\u9700\u8981\u81ea\u5df1\u5904\u7406\u540c\u6b65\u3002<\/p>\n<h4>\u65b9\u5f0f\u4e09&#xff1a;DMA-BUF fd \u4f20\u9012&#xff08;\u5d4c\u5165\u5f0f Linux \u7279\u6709&#xff09;[Yuewell Inside]<\/h4>\n<p>\u8fd9\u662f\u5d4c\u5165\u5f0f Linux&#xff08;\u7279\u522b\u662f\u5e26\u786c\u4ef6\u52a0\u901f\u5668\u7684 SoC&#xff0c;\u5982 RK3588&#xff09;\u4e0a\u6700\u9ad8\u6548\u7684\u96f6\u62f7\u8d1d\u65b9\u5f0f\u3002<\/p>\n<p>DMA-BUF \u662f Linux \u5185\u6838\u7684\u4e00\u4e2a\u5b50\u7cfb\u7edf&#xff0c;\u7528\u4e8e\u5728\u4e0d\u540c\u786c\u4ef6\u6a21\u5757&#xff08;\u89e3\u7801\u5668\u3001\u7f16\u7801\u5668\u3001GPU\u3001NPU\u3001\u663e\u793a\u63a7\u5236\u5668&#xff09;\u4e4b\u95f4\u5171\u4eab DMA \u7f13\u51b2\u533a\u3002\u6bcf\u4e2a DMA-BUF \u7f13\u51b2\u533a\u5bf9\u5e94\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff08;fd&#xff09;&#xff0c;\u8fdb\u7a0b\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7 Unix Domain Socket \u7684 SCM_RIGHTS \u673a\u5236\u4f20\u9012 fd&#xff0c;\u63a5\u6536\u65b9\u62ff\u5230 fd \u540e\u5c31\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u8fd9\u5757\u7269\u7406\u5185\u5b58\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48 DMA-BUF \u662f RK3588 \u4e0a\u7684\u6700\u4f18\u89e3&#xff1f;<\/p>\n<p>\u56e0\u4e3a RK3588 \u7684 MPP&#xff08;\u786c\u89e3\u7801&#xff09;\u3001RGA&#xff08;\u56fe\u50cf\u52a0\u901f&#xff09;\u3001NPU&#xff08;\u63a8\u7406&#xff09;\u8fd9\u4e9b\u786c\u4ef6\u6a21\u5757&#xff0c;\u539f\u751f\u90fd\u652f\u6301 DMA-BUF\u2014\u2014MPP \u89e3\u7801\u8f93\u51fa\u7684\u5e27\u5c31\u662f DMA-BUF \u7f13\u51b2\u533a&#xff0c;RGA \u53ef\u4ee5\u76f4\u63a5 import DMA-BUF fd \u505a\u5904\u7406&#xff0c;NPU \u4e5f\u53ef\u4ee5\u76f4\u63a5\u4ece DMA-BUF \u7f13\u51b2\u533a\u8bfb\u53d6\u6570\u636e\u505a\u63a8\u7406\u3002<\/p>\n<p>\u8fd9\u610f\u5473\u7740&#xff1a;\u4ece MPP \u89e3\u7801 \u2192 RGA \u9884\u5904\u7406 \u2192 NPU \u63a8\u7406&#xff0c;\u6574\u6761\u94fe\u8def\u7684\u6570\u636e\u90fd\u5728 DMA-BUF \u7f13\u51b2\u533a\u91cc\u6d41\u52a8&#xff0c;CPU \u5b8c\u5168\u4e0d\u53c2\u4e0e\u6570\u636e\u642c\u8fd0\u3002 \u8fd9\u624d\u662f\u771f\u6b63\u7684\u300c\u7aef\u5230\u7aef\u96f6\u62f7\u8d1d\u300d\u3002<\/p>\n<p>\u5982\u679c\u7528\u666e\u901a\u7684 shm \u6216 mmap&#xff0c;MPP \u89e3\u7801\u8f93\u51fa\u540e\u8fd8\u8981\u628a\u6570\u636e\u4ece DMA-BUF \u62f7\u5230 shm&#xff0c;RGA \u5904\u7406\u540e\u8fd8\u8981\u4ece shm \u62f7\u56de DMA-BUF \u7ed9 NPU\u2014\u2014\u4e2d\u95f4\u8fd8\u662f\u6709\u62f7\u8d1d&#xff0c;\u4e0d\u662f\u771f\u6b63\u7684\u96f6\u62f7\u8d1d\u3002<\/p>\n<p>\u6240\u4ee5\u5728 RK3588 \u4e0a&#xff0c;DMA-BUF fd \u4f20\u9012\u662f\u6700\u4f18\u7684\u96f6\u62f7\u8d1d\u65b9\u6848\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u6211\u4eec\u7684\u65b9\u6848&#xff1a;\u57fa\u4e8e DMA-BUF \u7684\u65e0\u9501\u96f6\u62f7\u8d1d\u73af\u5f62\u7f13\u51b2\u533a [Yuewell Inside]<\/h3>\n<p>\u6211\u4eec\u6700\u7ec8\u91c7\u7528\u7684\u65b9\u6848\u662f&#xff1a;\u57fa\u4e8e DMA-BUF \u7684\u65e0\u9501\u96f6\u62f7\u8d1d\u5171\u4eab\u5185\u5b58\u73af\u5f62\u7f13\u51b2\u533a&#xff08;RingBuffer&#xff09;&#xff0c;\u56fe\u50cf\u6570\u636e\u901a\u8fc7 fd \u4f20\u9012&#xff08;\u96f6\u62f7\u8d1d&#xff09;&#xff0c;\u63a7\u5236\u4fe1\u4ee4\u901a\u8fc7 gRPC \u4f20\u9012\u3002<\/p>\n<p>\u5e76\u4e14\u5728\u5185\u6838\u6001\u4e0e\u7528\u6237\u6001\u6784\u5efa\u4e86\u4e13\u5c5e\u7684\u65e0\u9501\u961f\u5217\u4e0e\u5e27\u540c\u6b65\u72b6\u6001\u673a&#xff0c;\u7ecf\u8fc7\u5927\u91cf\u5e76\u53d1\u6b7b\u9501\u8c03\u4f18\u624d\u786e\u4fdd\u4e86\u9ad8\u541e\u5410\u4e0b\u7684\u6781\u4f4e\u5ef6\u8fdf\u3002<\/p>\n<hr \/>\n<h3>\u56db\u3001\u80cc\u538b\u63a7\u5236&#xff1a;\u961f\u5217\u6df1\u5ea6\u4e3a 1&#xff0c;\u5fd9\u5219\u8df3\u5e27<\/h3>\n<p>\u96f6\u62f7\u8d1d\u89e3\u51b3\u4e86\u300c\u4f20\u5f97\u5feb\u300d\u7684\u95ee\u9898&#xff0c;\u4f46\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898&#xff1a;\u5982\u679c\u63a8\u7406\u5f15\u64ce\u63a8\u7406\u4e0d\u8fc7\u6765&#xff0c;\u65b0\u7684\u5e27\u6e90\u6e90\u4e0d\u65ad\u5730\u9001\u8fc7\u6765&#xff0c;\u600e\u4e48\u529e&#xff1f;<\/p>\n<p>\u8fd9\u5c31\u662f**\u80cc\u538b&#xff08;Back Pressure&#xff09;**\u95ee\u9898\u2014\u2014\u6d88\u8d39\u8005&#xff08;\u63a8\u7406\u5f15\u64ce&#xff09;\u5904\u7406\u901f\u5ea6\u8ddf\u4e0d\u4e0a\u751f\u4ea7\u8005&#xff08;\u6838\u5fc3\u670d\u52a1&#xff09;\u7684\u53d1\u9001\u901f\u5ea6&#xff0c;\u6570\u636e\u4f1a\u5806\u79ef&#xff0c;\u5185\u5b58\u5360\u7528\u4e0a\u6da8&#xff0c;\u5ef6\u8fdf\u589e\u5927&#xff0c;\u6700\u7ec8\u53ef\u80fd\u62d6\u57ae\u6574\u4e2a\u7cfb\u7edf\u3002<\/p>\n<p>\u5f88\u591a\u7cfb\u7edf\u7684\u505a\u6cd5\u662f\u300c\u6392\u961f\u300d\u2014\u2014\u5f04\u4e00\u4e2a\u961f\u5217&#xff0c;\u65b0\u5e27\u6765\u4e86\u5c31\u6392\u961f&#xff0c;\u63a8\u7406\u5f15\u64ce\u6162\u6162\u5904\u7406\u3002\u4f46\u5728\u5b9e\u65f6\u89c6\u9891\u5206\u6790\u573a\u666f\u4e0b&#xff0c;\u6392\u961f\u662f\u9519\u8bef\u7684\u7b56\u7565\u3002<\/p>\n<h4>\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u6392\u961f&#xff1f;<\/h4>\n<p>\u5b9e\u65f6\u89c6\u9891\u5206\u6790\u7684\u7279\u70b9\u662f&#xff1a;\u53ea\u5173\u5fc3\u6700\u65b0\u7684\u753b\u9762&#xff0c;\u65e7\u5e27\u6ca1\u6709\u4ef7\u503c\u3002<\/p>\n<p>\u5982\u679c\u63a8\u7406\u5f15\u64ce\u5fd9&#xff0c;\u6765\u4e86\u4e00\u5e27\u65b0\u753b\u9762&#xff0c;\u4f60\u628a\u5b83\u6392\u5230\u961f\u5217\u91cc\u3002\u7b49\u961f\u5217\u91cc\u524d\u9762\u7684\u5e27\u5904\u7406\u5b8c&#xff0c;\u8fd9\u5e27\u5df2\u7ecf\u662f\u51e0\u79d2\u524d\u7684\u65e7\u753b\u9762\u4e86\u2014\u2014\u7528\u51e0\u79d2\u524d\u7684\u753b\u9762\u505a\u5b9e\u65f6\u5165\u4fb5\u68c0\u6d4b&#xff0c;\u6709\u4ec0\u4e48\u610f\u4e49&#xff1f;\u7b49\u4f60\u68c0\u6d4b\u5230\u6709\u4eba\u5165\u4fb5&#xff0c;\u4eba\u53ef\u80fd\u5df2\u7ecf\u8d70\u4e86\u3002<\/p>\n<p>\u800c\u4e14\u6392\u961f\u4f1a\u5bfc\u81f4&#xff1a;<\/p>\n<ul>\n<li>\u5ef6\u8fdf\u8d8a\u6765\u8d8a\u5927\u2014\u2014\u961f\u5217\u8d8a\u957f&#xff0c;\u5ef6\u8fdf\u8d8a\u5927&#xff0c;\u4ece\u51e0\u5341\u6beb\u79d2\u6da8\u5230\u51e0\u79d2<\/li>\n<li>\u5185\u5b58\u5360\u7528\u4e0a\u6da8\u2014\u2014\u6bcf\u5e27 6MB&#xff0c;\u961f\u5217\u91cc\u6392 100 \u5e27\u5c31\u662f 600MB<\/li>\n<li>\u7ea7\u8054\u5d29\u6e83\u2014\u2014\u63a8\u7406\u5f15\u64ce\u5904\u7406\u4e0d\u8fc7\u6765&#xff0c;\u961f\u5217\u8d8a\u6765\u8d8a\u957f&#xff0c;\u5185\u5b58\u8d8a\u6765\u8d8a\u5927&#xff0c;\u6700\u7ec8 OOM \u5d29\u6e83<\/li>\n<\/ul>\n<p>\u6240\u4ee5\u5728\u5b9e\u65f6\u89c6\u9891\u5206\u6790\u4e2d&#xff0c;\u6b63\u786e\u7684\u7b56\u7565\u662f&#xff1a;\u5fd9\u5219\u8df3\u5e27&#xff0c;\u4e0d\u6392\u961f\u3002<\/p>\n<h4>\u6211\u4eec\u7684\u80cc\u538b\u7b56\u7565<\/h4>\n<p>\u6211\u4eec\u7684\u7b56\u7565\u5f88\u7b80\u5355\u4f46\u6709\u6548&#xff1a;<\/p>\n<li>\u6bcf\u4e2a\u4efb\u52a1\u7684\u5f85\u5206\u6790\u961f\u5217\u6df1\u5ea6\u56fa\u5b9a\u4e3a 1\u2014\u2014\u53ea\u4fdd\u7559\u300c\u5f53\u524d\u4e00\u5e27\u300d\u7684\u69fd\u4f4d<\/li>\n<li>\u5982\u679c\u63a8\u7406\u5f15\u64ce\u5fd9&#xff08;\u4e0a\u4e00\u5e27\u8fd8\u6ca1\u63a8\u7406\u5b8c&#xff09;&#xff0c;\u65b0\u5e27\u6765\u4e86\u5c31\u76f4\u63a5\u4e22\u5f03\/\u8df3\u8fc7&#xff0c;\u4e0d\u6392\u961f\u3001\u4e0d\u5806\u79ef<\/li>\n<li>\u63a8\u7406\u5f15\u64ce\u7a7a\u95f2\u65f6&#xff0c;\u4ece\u69fd\u4f4d\u91cc\u53d6\u6700\u65b0\u7684\u4e00\u5e27\u505a\u63a8\u7406<\/li>\n<p>\u8fd9\u4e2a\u7b56\u7565\u7684\u6548\u679c&#xff1a;<\/p>\n<ul>\n<li>\u5ef6\u8fdf\u6052\u5b9a\u2014\u2014\u4e0d\u7ba1\u63a8\u7406\u5f15\u64ce\u591a\u5fd9&#xff0c;\u4e00\u5e27\u4ece\u8fdb\u5165\u7cfb\u7edf\u5230\u88ab\u63a8\u7406\u7684\u5ef6\u8fdf\u6700\u591a\u662f\u300c\u4e00\u5e27\u7684\u63a8\u7406\u65f6\u95f4\u300d&#xff0c;\u4e0d\u4f1a\u65e0\u9650\u589e\u957f<\/li>\n<li>\u5185\u5b58\u6052\u5b9a\u2014\u2014\u961f\u5217\u6df1\u5ea6\u4e3a 1&#xff0c;\u5185\u5b58\u5360\u7528\u56fa\u5b9a&#xff0c;\u4e0d\u4f1a\u56e0\u4e3a\u63a8\u7406\u5f15\u64ce\u5fd9\u800c\u4e0a\u6da8<\/li>\n<li>\u59cb\u7ec8\u5206\u6790\u6700\u65b0\u753b\u9762\u2014\u2014\u4e22\u5f03\u7684\u662f\u65e7\u5e27&#xff0c;\u4fdd\u7559\u7684\u662f\u6700\u65b0\u5e27&#xff0c;\u4fdd\u8bc1\u63a8\u7406\u7ed3\u679c\u53cd\u6620\u7684\u662f\u6700\u65b0\u7684\u753b\u9762<\/li>\n<li>\u7cfb\u7edf\u7a33\u5b9a\u2014\u2014\u4e0d\u4f1a\u56e0\u4e3a\u63a8\u7406\u5f15\u64ce\u6682\u65f6\u5fd9\u800c\u5bfc\u81f4\u7ea7\u8054\u5d29\u6e83<\/li>\n<\/ul>\n<h4>\u8bbe\u8ba1\u53d6\u820d<\/h4>\n<p>\u5f53\u7136&#xff0c;\u8fd9\u4e2a\u7b56\u7565\u4e5f\u6709\u4ee3\u4ef7\u2014\u2014\u53ef\u80fd\u4f1a\u4e22\u5e27\u3002\u5982\u679c\u63a8\u7406\u5f15\u64ce\u6301\u7eed\u7e41\u5fd9&#xff0c;\u53ef\u80fd\u8fde\u7eed\u8df3\u8fc7\u5f88\u591a\u5e27&#xff0c;\u5b9e\u9645\u5206\u6790\u5e27\u7387\u4f1a\u4e0b\u964d\u3002<\/p>\n<p>\u4f46\u6211\u4eec\u8ba4\u4e3a\u8fd9\u4e2a\u4ee3\u4ef7\u662f\u503c\u5f97\u7684&#xff1a;<\/p>\n<ul>\n<li>\u5b9e\u65f6\u6027 &gt; \u5b8c\u6574\u6027\u2014\u2014\u5728\u5b9e\u65f6\u89c6\u9891\u5206\u6790\u4e2d&#xff0c;\u7528\u6700\u65b0\u7684\u753b\u9762\u505a\u4f4e\u5e27\u7387\u5206\u6790&#xff0c;\u6bd4\u7528\u65e7\u753b\u9762\u505a\u9ad8\u5e27\u7387\u5206\u6790\u66f4\u6709\u4ef7\u503c<\/li>\n<li>\u7a33\u5b9a\u6027 &gt; \u6027\u80fd\u2014\u2014\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c\u4e0d\u5d29\u6e83&#xff0c;\u6bd4\u5076\u5c14\u8dd1\u5230\u9ad8\u5e27\u7387\u4f46\u65f6\u4e0d\u65f6\u5d29\u6e83\u66f4\u91cd\u8981<\/li>\n<li>\u53ef\u914d\u7f6e\u2014\u2014\u4e8b\u4ef6\u878d\u5408\u7684\u8fde\u7eed\u786e\u8ba4\u6b21\u6570&#xff08;FusionCount&#xff09;\u548c\u91c7\u6837\u95f4\u9694&#xff08;FrameInterval&#xff09;\u7684\u53d6\u503c&#xff0c;\u9700\u8981\u5728\u300c\u8df3\u5e27\u7b56\u7565\u300d\u4e0b\u8bc4\u4f30&#xff0c;\u907f\u514d\u56e0\u4e3a\u8df3\u5e27\u5bfc\u81f4\u300c\u6c38\u8fdc\u8fbe\u4e0d\u5230 N \u8fde\u5e27\u786e\u8ba4\u300d\u3002\u6211\u4eec\u5728\u914d\u7f6e\u65f6\u4f1a\u8003\u8651\u8fd9\u4e2a\u56e0\u7d20<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u8bbe\u8ba1\u53d6\u820d&#xff0c;\u662f\u5b9e\u65f6\u7cfb\u7edf\u548c\u6279\u5904\u7406\u7cfb\u7edf\u7684\u6839\u672c\u533a\u522b\u3002 \u6279\u5904\u7406\u7cfb\u7edf&#xff08;\u5982\u79bb\u7ebf\u89c6\u9891\u5206\u6790&#xff09;\u8ffd\u6c42\u7684\u662f\u300c\u6bcf\u4e00\u5e27\u90fd\u5904\u7406\u300d&#xff0c;\u53ef\u4ee5\u6392\u961f\u3001\u53ef\u4ee5\u91cd\u8bd5&#xff1b;\u5b9e\u65f6\u7cfb\u7edf\u8ffd\u6c42\u7684\u662f\u300c\u59cb\u7ec8\u5904\u7406\u6700\u65b0\u6570\u636e\u300d&#xff0c;\u5fd9\u5219\u4e22\u5f03\u3001\u4e0d\u6392\u961f\u3002<\/p>\n<hr \/>\n<h3>\u4e94\u3001\u6027\u80fd\u5bf9\u6bd4<\/h3>\n<p>\u6211\u4eec\u505a\u4e86\u4e00\u7ec4\u6d4b\u8bd5&#xff0c;\u5bf9\u6bd4\u4f20\u7edf socket \u4f20\u8f93\u548c\u96f6\u62f7\u8d1d\u4f20\u8f93\u7684\u6027\u80fd&#xff08;8 \u8def 1080P&#xff0c;\u6bcf\u8def 10fps&#xff0c;RGB \u683c\u5f0f&#xff09;&#xff1a;<\/p>\n<table>\n<tr>\u6307\u6807\u4f20\u7edf socket \u4f20\u8f93DMA-BUF \u96f6\u62f7\u8d1d\u73af\u5f62\u7f13\u51b2\u533a\u63d0\u5347<\/tr>\n<tbody>\n<tr>\n<td>\u5355\u5e27\u4f20\u8f93\u5ef6\u8fdf<\/td>\n<td>10-20ms<\/td>\n<td>&lt;1ms<\/td>\n<td>10-20 \u500d<\/td>\n<\/tr>\n<tr>\n<td>CPU \u5360\u7528&#xff08;\u4f20\u8f93\u90e8\u5206&#xff09;<\/td>\n<td>15-25%<\/td>\n<td>&lt;2%<\/td>\n<td>7-12 \u500d<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u62f7\u8d1d\u91cf\/\u79d2<\/td>\n<td>1.92GB\/s<\/td>\n<td>~0<\/td>\n<td>\u51e0\u4e4e\u6d88\u9664<\/td>\n<\/tr>\n<tr>\n<td>8 \u8def\u540c\u65f6\u4f20\u8f93\u7a33\u5b9a\u6027<\/td>\n<td>\u5076\u53d1\u5ef6\u8fdf\u6296\u52a8\u3001\u961f\u5217\u5806\u79ef<\/td>\n<td>\u5ef6\u8fdf\u6052\u5b9a\u3001\u65e0\u5806\u79ef<\/td>\n<td>\u8d28\u7684\u63d0\u5347<\/td>\n<\/tr>\n<tr>\n<td>NPU \u63a8\u7406\u5ef6\u8fdf\u5f71\u54cd<\/td>\n<td>\u5185\u5b58\u5e26\u5bbd\u7ade\u4e89&#xff0c;\u63a8\u7406\u5ef6\u8fdf\u589e\u5927<\/td>\n<td>\u65e0\u5185\u5b58\u62f7\u8d1d&#xff0c;\u63a8\u7406\u5ef6\u8fdf\u7a33\u5b9a<\/td>\n<td>\u663e\u8457\u6539\u5584<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u96f6\u62f7\u8d1d\u4f20\u8f93\u628a\u5355\u5e27\u5ef6\u8fdf\u4ece 10-20ms \u964d\u5230 &lt;1ms&#xff0c;CPU \u5360\u7528\u4ece 15-25% \u964d\u5230 &lt;2%&#xff0c;\u51e0\u4e4e\u6d88\u9664\u4e86\u5185\u5b58\u62f7\u8d1d\u3002 \u7701\u4e0b\u6765\u7684 CPU \u548c\u5185\u5b58\u5e26\u5bbd&#xff0c;\u53ef\u4ee5\u7528\u6765\u8dd1\u66f4\u591a\u8def\u89c6\u9891\u3001\u66f4\u590d\u6742\u7684\u6a21\u578b\u3002<\/p>\n<p>\u66f4\u91cd\u8981\u7684\u662f&#xff0c;\u96f6\u62f7\u8d1d &#043; \u80cc\u538b\u63a7\u5236\u8ba9\u7cfb\u7edf\u7684\u5ef6\u8fdf\u53d8\u5f97\u6052\u5b9a\u53ef\u9884\u6d4b\u2014\u2014\u4e0d\u7ba1\u8d1f\u8f7d\u600e\u4e48\u53d8&#xff0c;\u4e00\u5e27\u4ece\u9884\u5904\u7406\u5b8c\u6210\u5230\u63a8\u7406\u5f00\u59cb\u7684\u5ef6\u8fdf\u59cb\u7ec8\u5728\u51e0\u6beb\u79d2\u4ee5\u5185&#xff0c;\u4e0d\u4f1a\u51fa\u73b0\u300c\u7a81\u7136\u5361\u4e00\u4e0b\u3001\u5ef6\u8fdf\u6da8\u5230\u51e0\u79d2\u300d\u7684\u60c5\u51b5\u3002\u5bf9\u4e8e\u5b9e\u65f6\u544a\u8b66\u7cfb\u7edf\u6765\u8bf4&#xff0c;\u5ef6\u8fdf\u7684\u53ef\u9884\u6d4b\u6027\u6bd4\u5e73\u5747\u5ef6\u8fdf\u66f4\u91cd\u8981\u3002<\/p>\n<hr \/>\n<h3>\u516d\u3001\u8e29\u5751\u5b9e\u5f55<\/h3>\n<p>\u96f6\u62f7\u8d1d\u548c\u80cc\u538b\u7684\u5b9e\u73b0\u8fc7\u7a0b\u4e2d&#xff0c;\u6211\u4eec\u8e29\u4e86\u4e0d\u5c11\u5751\u3002<\/p>\n<h4>\u5751\u4e00&#xff1a;fd \u4f20\u9012\u5931\u8d25&#xff0c;\u8fdb\u7a0b\u62ff\u5230\u65e0\u6548 fd<\/h4>\n<h4>\u5751\u4e8c&#xff1a;stride \u4e0d\u5bf9&#xff0c;NPU \u63a8\u7406\u7ed3\u679c\u9519\u4e71<\/h4>\n<h4>\u5751\u4e09&#xff1a;\u5f15\u7528\u8ba1\u6570 race condition&#xff0c;\u5076\u53d1\u82b1\u5c4f<\/h4>\n<h4>\u5751\u56db&#xff1a;\u80cc\u538b\u7b56\u7565\u548c\u4e8b\u4ef6\u878d\u5408\u7684\u51b2\u7a81<\/h4>\n<h4>\u26a0\ufe0f \u5de5\u7a0b\u5751\u70b9\u4e0e\u6280\u672f\u58c1\u5792\u8b66\u544a<\/h4>\n<p>\u8d8a\u5fae\u56e2\u961f\u5386\u65f6\u5927\u534a\u5e74\u3001\u7ecf\u5386\u4e86\u4e0a\u767e\u6b21\u5d29\u6e83\u538b\u6d4b\u4e0e\u6545\u969c\u6ce8\u5165&#xff0c;\u624d\u6253\u78e8\u51fa\u8fd9\u5957\u96f6\u5d29\u6e83\u7684\u751f\u4ea7\u7ea7\u901a\u8baf\u6846\u67b6\u3002 \u8fd9\u4e9b\u5185\u6838\u6001\u4e0e\u7528\u6237\u6001\u7684\u5de5\u7a0b\u7ec6\u8282&#xff0c;\u4e0d\u662f\u770b\u51e0\u7bc7\u535a\u5ba2\u5c31\u80fd\u641e\u5b9a\u7684\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u51e0\u70b9\u7ecf\u9a8c\u603b\u7ed3<\/h3>\n<p>\u56de\u5934\u770b\u96f6\u62f7\u8d1d\u901a\u4fe1\u548c\u80cc\u538b\u63a7\u5236\u7684\u5b9e\u73b0\u8fc7\u7a0b&#xff0c;\u603b\u7ed3\u51e0\u70b9&#xff1a;<\/p>\n<p>1. \u5d4c\u5165\u5f0f Linux \u4e0a&#xff0c;DMA-BUF \u662f\u7aef\u5230\u7aef\u96f6\u62f7\u8d1d\u7684\u5173\u952e<br \/>\n\u666e\u901a\u7684 shm\/mmap \u53ea\u80fd\u505a\u5230\u8fdb\u7a0b\u95f4\u96f6\u62f7\u8d1d&#xff0c;\u4f46\u548c\u786c\u4ef6\u52a0\u901f\u5668&#xff08;MPP\u3001RGA\u3001NPU&#xff09;\u4e4b\u95f4\u8fd8\u662f\u6709\u62f7\u8d1d\u3002DMA-BUF \u8ba9\u786c\u4ef6\u6a21\u5757\u4e4b\u95f4\u4e5f\u80fd\u5171\u4eab\u7f13\u51b2\u533a&#xff0c;\u5b9e\u73b0\u4ece\u89e3\u7801\u5230\u63a8\u7406\u7684\u7aef\u5230\u7aef\u96f6\u62f7\u8d1d\u3002\u5728 RK3588 \u8fd9\u7c7b\u5e26\u786c\u4ef6\u52a0\u901f\u5668\u7684 SoC \u4e0a&#xff0c;DMA-BUF \u662f\u6700\u4f18\u89e3\u3002<\/p>\n<p>2. \u96f6\u62f7\u8d1d\u7684\u96be\u70b9\u4e0d\u662f\u300c\u4f20\u6570\u636e\u300d&#xff0c;\u800c\u662f\u300c\u751f\u547d\u5468\u671f\u7ba1\u7406\u300d<br \/>\nfd \u4f20\u9012\u672c\u8eab\u4e0d\u96be&#xff0c;\u96be\u7684\u662f\u7f13\u51b2\u533a\u4ec0\u4e48\u65f6\u5019\u91ca\u653e\u3001\u600e\u4e48\u4fdd\u8bc1\u53cc\u7aef\u540c\u6b65\u3001\u600e\u4e48\u907f\u514d race condition\u3002\u5f15\u7528\u8ba1\u6570\u3001\u539f\u5b50\u64cd\u4f5c\u3001\u5185\u5b58\u5c4f\u969c\u3001\u4e8b\u4ef6\u540c\u6b65&#xff0c;\u8fd9\u4e9b\u673a\u5236\u8981\u7ec4\u5408\u597d&#xff0c;\u624d\u80fd\u4fdd\u8bc1\u96f6\u62f7\u8d1d\u65e2\u5feb\u53c8\u7a33\u3002\u6211\u4eec\u5728\u8fd9\u4e0a\u9762\u82b1\u7684\u65f6\u95f4\u6bd4\u5b9e\u73b0 fd \u4f20\u9012\u672c\u8eab\u591a\u5f97\u591a\u3002<\/p>\n<p>3. \u5b9e\u65f6\u7cfb\u7edf\u7684\u80cc\u538b\u7b56\u7565\u662f\u300c\u5fd9\u5219\u4e22\u5e27\u300d&#xff0c;\u4e0d\u662f\u300c\u6392\u961f\u7b49\u5f85\u300d<br \/>\n\u8fd9\u662f\u5b9e\u65f6\u7cfb\u7edf\u548c\u6279\u5904\u7406\u7cfb\u7edf\u7684\u6839\u672c\u533a\u522b\u3002\u6279\u5904\u7406\u8ffd\u6c42\u6bcf\u4e00\u5e27\u90fd\u5904\u7406&#xff0c;\u53ef\u4ee5\u6392\u961f&#xff1b;\u5b9e\u65f6\u7cfb\u7edf\u8ffd\u6c42\u59cb\u7ec8\u5904\u7406\u6700\u65b0\u753b\u9762&#xff0c;\u5fd9\u5219\u4e22\u5f03\u3002\u961f\u5217\u6df1\u5ea6\u4e3a 1\u3001\u5fd9\u5219\u8df3\u5e27&#xff0c;\u770b\u8d77\u6765\u300c\u6d6a\u8d39\u300d\u4e86\u4e00\u4e9b\u5e27&#xff0c;\u4f46\u4fdd\u8bc1\u4e86\u5ef6\u8fdf\u6052\u5b9a\u3001\u5185\u5b58\u7a33\u5b9a\u3001\u7cfb\u7edf\u4e0d\u5d29\u6e83\u3002\u5728\u5b9e\u65f6\u89c6\u9891\u5206\u6790\u4e2d&#xff0c;\u8fd9\u4e2a\u53d6\u820d\u662f\u6b63\u786e\u7684\u3002<\/p>\n<p>4. \u8bbe\u8ba1\u7b56\u7565\u65f6\u8981\u8003\u8651\u4e0a\u4e0b\u6e38\u7684\u8054\u52a8<br \/>\n\u80cc\u538b\u7b56\u7565&#xff08;\u8df3\u5e27&#xff09;\u4f1a\u5f71\u54cd\u4e0a\u6e38\u7684\u4e8b\u4ef6\u878d\u5408\u7b56\u7565&#xff08;\u8fde\u7eed N \u5e27\u786e\u8ba4&#xff09;\u2014\u2014\u5982\u679c\u8df3\u5e27\u592a\u591a&#xff0c;\u53ef\u80fd\u51d1\u4e0d\u9f50\u8fde\u7eed\u786e\u8ba4\u3002\u8bbe\u8ba1\u7cfb\u7edf\u65f6\u4e0d\u80fd\u53ea\u770b\u4e00\u4e2a\u6a21\u5757&#xff0c;\u8981\u8003\u8651\u4e0a\u4e0b\u6e38\u7684\u8054\u52a8&#xff0c;\u5728\u914d\u7f6e\u548c\u7b56\u7565\u4e0a\u505a\u534f\u8c03\u3002\u6211\u4eec\u8e29\u8fc7\u300c\u8df3\u5e27\u5bfc\u81f4\u6f0f\u544a\u8b66\u300d\u7684\u5751&#xff0c;\u624d\u610f\u8bc6\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>5. \u517c\u5bb9\u6a21\u5f0f\u662f\u5f00\u53d1\u6548\u7387\u7684\u4fdd\u969c&#xff0c;\u4f46\u8981\u660e\u786e\u6807\u6ce8\u300c\u975e\u751f\u4ea7\u8def\u5f84\u300d<br \/>\nWindows \u4e0a\u6ca1\u6709 DMA-BUF&#xff0c;\u6211\u4eec\u7528\u4e86 gRPC \u4f20\u56fe\u50cf\u7684\u517c\u5bb9\u6a21\u5f0f\u505a\u5f00\u53d1\u8054\u8c03\u3002\u8fd9\u5927\u5927\u63d0\u5347\u4e86\u5f00\u53d1\u6548\u7387&#xff08;\u4e0d\u7528\u6bcf\u6b21\u90fd\u628a\u4ee3\u7801\u90e8\u7f72\u5230 RK3588 \u4e0a\u6d4b\u8bd5&#xff09;\u3002\u4f46\u4e00\u5b9a\u8981\u660e\u786e\u6807\u6ce8\u300c\u975e\u751f\u4ea7\u8def\u5f84\u300d&#xff0c;\u786e\u4fdd\u751f\u4ea7\u73af\u5883\u8d70\u7684\u662f\u96f6\u62f7\u8d1d\u6a21\u5f0f&#xff0c;\u4e0d\u80fd\u56e0\u4e3a\u517c\u5bb9\u6a21\u5f0f\u300c\u4e5f\u80fd\u8dd1\u300d\u5c31\u5fd8\u4e86\u4f18\u5316\u751f\u4ea7\u8def\u5f84\u3002<\/p>\n<hr \/>\n<h3>\u5199\u5728\u6700\u540e<\/h3>\n<p>\u96f6\u62f7\u8d1d\u8de8\u8fdb\u7a0b\u901a\u4fe1&#xff0c;\u662f\u628a\u4e09\u8fdb\u7a0b\u67b6\u6784\u7684\u6027\u80fd\u771f\u6b63\u91ca\u653e\u51fa\u6765\u7684\u5173\u952e\u4e00\u73af\u3002\u5982\u679c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u8fd8\u8981\u9760 socket \u62f7\u8d1d\u6570\u636e&#xff0c;\u90a3\u4e09\u8fdb\u7a0b\u67b6\u6784\u7684\u4f18\u52bf&#xff08;\u6a21\u5757\u9694\u79bb\u3001\u72ec\u7acb\u5347\u7ea7&#xff09;\u5c31\u4f1a\u88ab\u901a\u4fe1\u5f00\u9500\u62b5\u6d88\u4e00\u90e8\u5206\u3002\u53ea\u6709\u505a\u5230\u96f6\u62f7\u8d1d&#xff0c;\u624d\u80fd\u8ba9\u4e09\u8fdb\u7a0b\u67b6\u6784\u65e2\u300c\u7a33\u300d\u53c8\u300c\u5feb\u300d\u3002<\/p>\n<p>\u800c\u80cc\u538b\u63a7\u5236&#xff0c;\u662f\u8ba9\u7cfb\u7edf\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u4fdd\u6301\u7a33\u5b9a\u7684\u5b89\u5168\u9600\u3002\u5b9e\u65f6\u7cfb\u7edf\u4e0d\u6015\u6162&#xff0c;\u6015\u7684\u662f\u300c\u8d8a\u6765\u8d8a\u6162\u3001\u6700\u7ec8\u5d29\u6e83\u300d\u3002\u5fd9\u5219\u8df3\u5e27\u3001\u4e0d\u6392\u961f&#xff0c;\u770b\u8d77\u6765\u7b80\u5355&#xff0c;\u4f46\u5374\u662f\u4fdd\u8bc1\u7cfb\u7edf 7\u00d724 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