{"id":59281,"date":"2023-10-17T10:55:20","date_gmt":"2023-10-17T02:55:20","guid":{"rendered":"https:\/\/www.techphant.cn\/blog\/59281.html"},"modified":"2023-10-17T10:55:20","modified_gmt":"2023-10-17T02:55:20","slug":"dfsxzfsbzd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/59281.html","title":{"rendered":"DMA\u65b9\u5f0f\u4e0b\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad"},"content":{"rendered":"

  DMA\uff08\u76f4\u63a5\u5b58\u50a8\u5668\u5b58\u53d6\uff09\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u662f\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u4e2d\u65ad\u5904\u7406\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u9ad8\u6548\u5730\u5904\u7406\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u3002\u672c\u6587\u5c06\u5bf9DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5305\u62ec\u5b83\u7684\u539f\u7406\u3001\u7279\u70b9\u4ee5\u53ca\u5e94\u7528\u3002<\/p>\n

DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u6982\u8ff0<\/h2>\n

  DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u662f\u6307\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u7684\u4e00\u79cd\u4e2d\u65ad\u5904\u7406\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u9ad8\u6548\u5730\u5904\u7406\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff0c\u5f53\u5916\u8bbe\u8bbe\u5907\u53d1\u51fa\u4e2d\u65ad\u8bf7\u6c42\u65f6\uff0cCPU\u4f1a\u6682\u505c\u5f53\u524d\u7684\u5de5\u4f5c\uff0c\u8df3\u8f6c\u5230\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\uff0c\u5e76\u5c06\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u4efb\u52a1\u4ea4\u7ed9DMA\u63a7\u5236\u5668\u6765\u5904\u7406\uff0cDMA\u63a7\u5236\u5668\u4f1a\u81ea\u52a8\u5b8c\u6210\u6570\u636e\u7684\u4f20\u8f93\uff0c\u5b8c\u6210\u540e\uff0cDMA\u63a7\u5236\u5668\u4f1a\u53d1\u51fa\u4e2d\u65ad\u4fe1\u53f7\uff0c\u901a\u77e5CPU\u5b8c\u6210\u6570\u636e\u4f20\u8f93\uff0c\u7136\u540eCPU\u518d\u6062\u590d\u539f\u6765\u7684\u5de5\u4f5c\u3002<\/p>\n

DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u7684\u7279\u70b9<\/h2>\n

  DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n

  1.\u9ad8\u6548\u7387<\/h3>\n

  DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\uff0c\u6bd4\u4f20\u7edf\u7684\u4e2d\u65ad\u5904\u7406\u65b9\u5f0f\u66f4\u6709\u6548\u7387\u3002<\/p>\n

  2.\u4f4e\u8017\u80fd<\/h3>\n

  DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u53ef\u4ee5\u6709\u6548\u51cf\u5c11CPU\u7684\u5de5\u4f5c\u91cf\uff0c\u4ece\u800c\u964d\u4f4eCPU\u7684\u8017\u80fd\u3002<\/p>\n

  3.\u7b80\u5316\u5f00\u53d1<\/h3>\n

  DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u53ef\u4ee5\u7b80\u5316\u5916\u8bbe\u8bbe\u5907\u7684\u9a71\u52a8\u7a0b\u5e8f\u7684\u5f00\u53d1\uff0c\u5927\u5927\u964d\u4f4e\u5f00\u53d1\u6210\u672c\u3002<\/p>\n

DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u7684\u5e94\u7528<\/h2>\n

  DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u7531\u4e8e\u5177\u6709\u9ad8\u6548\u7387\u3001\u4f4e\u8017\u80fd\u3001\u6613\u4e8e\u5f00\u53d1\u7b49\u7279\u70b9\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u73b0\u4ee3\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5982\u786c\u76d8\u3001\u7f51\u5361\u3001\u952e\u76d8\u3001\u9f20\u6807\u7b49\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u7684\u539f\u7406\u3001\u7279\u70b9\u4ee5\u53ca\u5e94\u7528\uff0cDMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u73b0\u4ee3\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u8ba1\u7b97\u673a\u7cfb\u7edf\u7684\u5de5\u4f5c\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u652f\u6301\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

DMA\uff08\u76f4\u63a5\u5b58\u50a8\u5668\u5b58\u53d6\uff09\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u662f\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u4e2d\u65ad\u5904\u7406\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e2d\u9ad8\u6548\u5730\u5904\u7406\u5916\u8bbe\u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u3002\u672c\u6587\u5c06\u5bf9DMA\u65b9\u5f0f\u4e0b\u7684\u5b57\u7b26\u8bbe\u5907\u4e2d\u65ad\u8fdb\u884c<\/p>\n","protected":false},"author":1,"featured_media":4132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[305],"class_list":["post-59281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dzjs"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/59281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=59281"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/59281\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=59281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=59281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=59281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}