{"id":3339,"date":"2025-12-08T00:00:00","date_gmt":"2025-12-08T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-direct-memory-access-dma-explained\/"},"modified":"2026-06-09T09:45:33","modified_gmt":"2026-06-09T09:45:33","slug":"what-is-direct-memory-access-dma-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-direct-memory-access-dma-explained","title":{"rendered":"\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff08DMA\uff09\u3068\u306f\u4f55\u304b\uff1f"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1408\" height=\"768\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/296a5f4af1ba4c899c76c6ac9b8d0a08.jpg\" alt=\"What Is Direct Memory Access (DMA)?\" class=\"wp-image-3336\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/296a5f4af1ba4c899c76c6ac9b8d0a08.jpg 1408w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/296a5f4af1ba4c899c76c6ac9b8d0a08-300x164.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/296a5f4af1ba4c899c76c6ac9b8d0a08-1024x559.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/296a5f4af1ba4c899c76c6ac9b8d0a08-768x419.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/296a5f4af1ba4c899c76c6ac9b8d0a08-18x10.jpg 18w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4e16\u754c\u3067\u306f\u3001\u901f\u5ea6\u304c\u3059\u3079\u3066\u3067\u3059\u3002\u30b2\u30fc\u30e0\u3092\u30d7\u30ec\u30a4\u3059\u308b\u5834\u5408\u3067\u3082\u30014K\u30d3\u30c7\u30aa\u3092\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3067\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u30c7\u30fc\u30bf\u306e\u52b9\u7387\u7684\u306a\u8ee2\u9001\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u9ad8\u901f\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u4e2d\u5fc3\u306b\u306f\u3001\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u3057\u3070\u3057\u3070\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u6280\u8853\u304c\u3042\u308a\u307e\u3059\uff1a<br> <strong>\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff08DMA\uff09<br><\/strong>. \u3002\u672c\u7a3f\u3067\u306f\u3001DMA\u306e\u4ed5\u7d44\u307f\u3001\u73fe\u4ee3\u306b\u304a\u3051\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306b\u4e0d\u53ef\u6b20\u306a\u7406\u7531\u3001\u304a\u3088\u3073\u9ad8\u901f\u306a<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 \u4e3b\u306a\u30dd\u30a4\u30f3\u30c8<br><\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff08DMA\uff09<br><\/strong> \u30c7\u30d0\u30a4\u30b9\u304c\u30c7\u30fc\u30bf\u3092\u30e1\u30e2\u30ea\u306b\u76f4\u63a5\u8ee2\u9001\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002CPU\u306f\u652f\u63f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u52d5\u4f5c\u304c\u3088\u308a\u9ad8\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002<br>.<\/p><\/li><li><p>DMA\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u30d0\u30fc\u30b9\u30c8\u30e2\u30fc\u30c9\u3084\u30b5\u30a4\u30af\u30eb\u30b9\u30c6\u30a3\u30fc\u30ea\u30f3\u30b0\u306a\u3069\u304c\u305d\u306e\u4f8b\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30bf\u30a4\u30d7\u306f\u7570\u306a\u308b\u30c7\u30fc\u30bf\u8ee2\u9001\u30cb\u30fc\u30ba\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u3054\u4f7f\u7528\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u6700\u9069\u306a\u3082\u306e\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<br>.<\/p><\/li><li><p>DMA\u306fCPU\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306f\u8907\u6570\u306e\u30bf\u30b9\u30af\u3092\u540c\u6642\u306b\u30b9\u30e0\u30fc\u30ba\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30b2\u30fc\u30e0\u3001\u52d5\u753b\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u97f3\u58f0\u7de8\u96c6\u306a\u3069\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306b\u3082\u8ca2\u732e\u3057\u307e\u3059\u3002<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 \u6838\u5fc3\u7684\u6982\u5ff5\uff1aCPU\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u56de\u907f\u3059\u308b<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u91cf\u306e\u66f8\u7c4d\uff08\u30c7\u30fc\u30bf\uff09\u304c\u56f3\u66f8\u9928\uff08\u3042\u306a\u305f\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\uff09\u306b\u5230\u7740\u3059\u308b\u69d8\u5b50\u3092\u60f3\u50cf\u3057\u3066\u304f\u3060\u3055\u3044\u3002DMA\u304c\u306a\u3044\u5834\u5408\u3001\u53f8\u66f8\u9577\uff08CPU\uff09\u304c\u3059\u3079\u3066\u306e\u6bb5\u30dc\u30fc\u30eb\u7bb1\u3092\u4e00\u3064\u305a\u3064\u53d7\u3051\u53d6\u308a\u3001\u958b\u68b1\u3057\u3001\u5404\u66f8\u7c4d\u3092\u6b63\u3057\u3044\u68da\uff08RAM\uff09\u306b\u914d\u7f6e\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u6975\u3081\u3066\u975e\u52b9\u7387\u3067\u3042\u308a\u3001\u53f8\u66f8\u9577\u3092\u5358\u8abf\u306a\u4f5c\u696d\u306b\u7e1b\u308a\u3064\u3051\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9<br><\/strong> \u306f\u3001\u5c02\u5c5e\u306e\u7269\u6d41\u30c1\u30fc\u30e0\u3092\u96c7\u3046\u3053\u3068\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u53f8\u66f8\u9577\u306f\u5358\u306b\u914d\u9001\u5148\u4f4f\u6240\u3068\u6307\u793a\u3092\u63d0\u4f9b\u3059\u308b\u3060\u3051\u3067\u3088\u304f\u3001\u30c1\u30fc\u30e0\u304c\u3059\u3079\u3066\u306e\u8ee2\u9001\u4f5c\u696d\u3092\u81ea\u5f8b\u7684\u306b\u9042\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u53f8\u66f8\u9577\u306f\u8907\u96d1\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u3068\u3044\u3063\u305f\u3001\u3088\u308a\u91cd\u8981\u306a\u696d\u52d9\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6280\u8853\u7684\u306b\u306f\u3001<br>, <strong>DMA<br><\/strong> \u3068\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c9\u30e9\u30a4\u30d6\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u3001\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u30ab\u30fc\u30c9\u306a\u3069\u306e\u7279\u5b9a\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u304c\u3001<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-cpu-central-processing-unit\/\"><strong>\u4e2d\u592e\u51e6\u7406\u88c5\u7f6e\uff08CPU\uff09<br><\/strong><\/a>. \u306e\u7d99\u7d9a\u7684\u306a\u4ecb\u5165\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u3001\u30e1\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\uff08RAM\uff09\u306b\u72ec\u7acb\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001CPU\u306f\u30c7\u30fc\u30bf\u306e1\u30d0\u30a4\u30c8\u3054\u3068\u306e\u30b3\u30d4\u30fc\u3068\u3044\u3046\u91cd\u3044\u4f5c\u696d\u304b\u3089\u89e3\u653e\u3055\u308c\u3001\u5168\u4f53\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u52b9\u7387\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 DMA\u306e\u52d5\u4f5c\u539f\u7406\uff1a\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\u306e\u89e3\u8aac<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/349a78afb11b4e61b2a2302ccb13c0cc.webp\" alt=\"Direct Memory Access\" class=\"wp-image-3337\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/349a78afb11b4e61b2a2302ccb13c0cc.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/349a78afb11b4e61b2a2302ccb13c0cc-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/349a78afb11b4e61b2a2302ccb13c0cc-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/349a78afb11b4e61b2a2302ccb13c0cc-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/349a78afb11b4e61b2a2302ccb13c0cc-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DMA\u30d7\u30ed\u30bb\u30b9\u306f\u3001<br> <strong>DMA\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\uff08DMAC\uff09<br><\/strong>, \u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u6700\u65b0\u306e\u30c1\u30c3\u30d7\u30bb\u30c3\u30c8\u3084I\/O\u30c7\u30d0\u30a4\u30b9\u81ea\u4f53\u306b\u7d71\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u7c21\u7565\u5316\u3055\u308c\u305f\u624b\u9806\u3067\u3059\uff1a<br><\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>CPU\u306b\u3088\u308b\u8a2d\u5b9a\uff1a<br><\/strong> CPU\u304cDMAC\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001<br> <strong>\u30bd\u30fc\u30b9\u30a2\u30c9\u30ec\u30b9<br><\/strong> \uff08\u4f8b\uff1aSSD\u4e0a\u306e\u5834\u6240\uff09\u3001<br> <strong>\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9<br><\/strong> \uff08RAM\u5185\u306e\u30d6\u30ed\u30c3\u30af\uff09\u3001\u304a\u3088\u3073<br> <strong>\u8ee2\u9001\u3059\u308b\u30c7\u30fc\u30bf\u91cf<br><\/strong> \u304c\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u8ee2\u9001\u8981\u6c42\uff1a<br><\/strong> \u5468\u8fba\u6a5f\u5668\uff08\u4f8b\uff1a<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/470377.htm\"><strong>LINK-PP 400G QSFP-DD DR4<\/strong><\/a> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3059\u308b\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\uff09\u304c\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u6e96\u5099\u304c\u3067\u304d\u305f\u3053\u3068\u3092\u901a\u77e5\u3057\u307e\u3059\u3002<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>DMA\u306b\u3088\u308b\u5236\u5fa1\u958b\u59cb\uff1a<br><\/strong> DMAC\u304cCPU\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u30d0\u30b9\u306e\u5236\u5fa1\u6a29\u3092\u8981\u6c42\u3057\u307e\u3059\uff08\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092<br> <em>\u30d0\u30b9\u4ef2\u88c1<br><\/em>\u3068\u547c\u3073\u307e\u3059\uff09\u3002\u8a31\u53ef\u3055\u308c\u308b\u3068\u3001CPU\u306f\u4e00\u6642\u7684\u306b\u30d0\u30b9\u304b\u3089\u5207\u65ad\u3055\u308c\u307e\u3059\u3002<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u76f4\u63a5\u7684\u306a\u30c7\u30fc\u30bf\u79fb\u52d5\uff1a<br><\/strong> DMAC\u304c\u30c7\u30d0\u30a4\u30b9\u3068RAM\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u76f4\u63a5\u7ba1\u7406\u3057\u307e\u3059\u3002\u3053\u306e\u9593\u3001CPU\u306f\u4ed6\u306e\u8a08\u7b97\u51e6\u7406\u3092\u7d99\u7d9a\u3067\u304d\u307e\u3059\u3002<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u5b8c\u4e86\u304a\u3088\u3073\u5272\u308a\u8fbc\u307f\uff1a<br><\/strong> \u8ee2\u9001\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001DMAC\u306f\u30d0\u30b9\u3092\u89e3\u653e\u3057\u3001CPU\u306b\u5bfe\u3057\u3066<br> <strong>\u5272\u308a\u8fbc\u307f\u4fe1\u53f7<br><\/strong> \u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001CPU\u306f\u30c7\u30fc\u30bf\u304c\u51e6\u7406\u6e96\u5099\u5b8c\u4e86\u3067\u3042\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3057\u307e\u3059\u3002<br>.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">DMAC\u304c\u30d0\u30b9\u3068\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3092\u898f\u5b9a\u3059\u308b\u4e3b\u306a\u30e2\u30fc\u30c9\u304c2\u3064\u3042\u308a\u307e\u3059\uff1a<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u30b5\u30a4\u30af\u30eb\u76d7\u7528\uff08Cycle Stealing\uff09\uff1a<br><\/strong> DMAC\u306f\u3001CPU\u304c\u30d0\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u3068\u304d\u306b\u30d0\u30b9\u30b5\u30a4\u30af\u30eb\u3092\u300c\u76d7\u7528\u300d\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u52b9\u7387\u7684\u3067\u3059\u304c\u3001CPU\u306e\u52d5\u4f5c\u3092\u308f\u305a\u304b\u306b\u9045\u304f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30d0\u30fc\u30b9\u30c8\u30e2\u30fc\u30c9\uff08Burst Mode\uff09\uff1a<br><\/strong> DMAC\u306f\u3001\u8ee2\u9001\u5168\u4f53\u306e\u9593\u3001\u30d0\u30b9\u3092\u5b8c\u5168\u306b\u638c\u63e1\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u5927\u5bb9\u91cf\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u8ee2\u9001\u306b\u6975\u3081\u3066\u9ad8\u901f\u3067\u3059\u304c\u3001CPU\u304c\u5f85\u6a5f\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff08<br><strong>CPU\u30b9\u30bf\u30fc\u30eb<br><\/strong>).<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u8868\u306f\u3001\u4e3b\u306a\u9055\u3044\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\uff1a<br><\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u6a5f\u80fd<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>DMA\u306a\u3057<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>DMA\u3042\u308a<br><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>CPU\u306e\u95a2\u4e0e\u5ea6<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9ad8\u3044\u3002CPU\u304c\u5404\u30d0\u30a4\u30c8\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4f4e\u3044\u3002CPU\u306f\u521d\u671f\u8a2d\u5b9a\u306e\u307f\u884c\u3044\u3001\u5b8c\u4e86\u901a\u77e5\u3092\u53d7\u3051\u308b\u3060\u3051\u3067\u3059\u3002<br>.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u52b9\u7387\u6027<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4f4e\u3044\u3002CPU\u306f\u51e6\u7406\u306b\u8ffd\u308f\u308c\u307e\u3059\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u975e\u5e38\u306b\u9ad8\u3044\u3002CPU\u3068I\/O\u304c\u4e26\u5217\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<br>.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u5927\u898f\u6a21\u8ee2\u9001\u6642\u306e\u901f\u5ea6<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9045\u3044\u3002CPU\u306e\u5e2f\u57df\u5e45\u306b\u5236\u9650\u3055\u308c\u307e\u3059\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u975e\u5e38\u306b\u901f\u3044\u3002\u5c02\u7528\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br>.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u30b7\u30b9\u30c6\u30e0\u306e\u5fdc\u7b54\u6027<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9ad8\u8ca0\u8377\u306eI\/O\u6642\u306b\u52a3\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4fdd\u305f\u308c\u307e\u3059\u3002CPU\u306f\u91cd\u8981\u306a\u30bf\u30b9\u30af\u306b\u5c02\u5ff5\u3067\u304d\u307e\u3059\u3002<br>.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u6700\u9069\u306a\u7528\u9014<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5c0f\u898f\u6a21\u30fb\u65ad\u7d9a\u7684\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u3002<br>.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u30c7\u30fc\u30bf\u8ee2\u9001<br><\/strong> \uff08\u4f8b\uff1a\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u3001\u52d5\u753b\u30ad\u30e3\u30d7\u30c1\u30e3\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b1\u30c3\u30c8\u51e6\u7406\u306a\u3069\uff09\u3002<br>.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 \u306a\u305cDMA\u304c\u73fe\u4ee3\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u306e\u304b\uff1f\u3000\u73fe\u4ee3\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DMA\u306f\u65b0\u3057\u3044\u6280\u8853\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u73fe\u4ee3\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8981\u6c42\u306b\u3088\u308a\u3001\u305d\u306e\u91cd\u8981\u6027\u306f\u98db\u8e8d\u7684\u306b\u9ad8\u307e\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u9ad8\u6027\u80fd\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\uff08HPC\uff09\u304a\u3088\u3073AI\uff1a<\/strong> \u5927\u898f\u6a21\u306a\u5b66\u7fd2\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u30b9\u30c8\u30ec\u30fc\u30b8\u3001GPU\u30e1\u30e2\u30ea\u3001\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u9593\u3067\u79fb\u52d5\u3055\u305b\u308b\u306b\u306f\u3001\u9ad8\u5ea6\u306a <strong>PCIe DMA\u8ee2\u9001<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\uff1a<\/strong> \u8d85\u9ad8\u901f <strong>NVMe SSD<\/strong> \u304a\u3088\u3073 <strong>100\/400\u30ae\u30ac\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/strong> \u30ab\u30fc\u30c9\u306fDMA\u3092\u6d3b\u7528\u3057\u3066\u5b9a\u683c\u901f\u5ea6\u3092\u9054\u6210\u3057\u3001\u4f4e\u9045\u5ef6\u30fb\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u307e\u305f\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/remote-direct-memory-access-rdma-data-transfer-speed-latency\/\"><strong>RDMA\uff08Remote Direct Memory Access\uff1a\u30ea\u30e2\u30fc\u30c8\u30fb\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff09<\/strong><\/a> \u306a\u3069\u306e\u6280\u8853\u306f\u3055\u3089\u306b\u4e00\u6b69\u9032\u307f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u76f4\u63a5\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u30de\u30eb\u30c1\u30e1\u30c7\u30a3\u30a2\u304a\u3088\u3073\u30b2\u30fc\u30e0\uff1a<\/strong> \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u52d5\u753b\u30ad\u30e3\u30d7\u30c1\u30e3\u3001\u97f3\u58f0\u51e6\u7406\u3001GPU\u3078\u306e\u30c6\u30af\u30b9\u30c1\u30e3\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306a\u3069\u306f\u3059\u3079\u3066\u3001\u30b9\u30c6\u30fc\u30bf\u30fc\u3084\u30e9\u30b0\u3092\u9632\u3050\u305f\u3081\u306bDMA\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u6d88\u8cbb\u8005\u5411\u3051\u30c7\u30d0\u30a4\u30b9\uff1a<\/strong> \u305f\u3068\u3048\u3070\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3067\u3059\u3089\u3001\u5199\u771f\u306e\u4fdd\u5b58\u3001\u30a2\u30d7\u30ea\u306e\u8aad\u307f\u8fbc\u307f\u3001\u643a\u5e2f\u96fb\u8a71\u7db2\u3067\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3068\u3044\u3063\u305f\u30bf\u30b9\u30af\u306bDMA\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 \u52d5\u4f5c\u4e2d\u306eDMA\uff1a\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3078\u306e\u4e0d\u53ef\u6b20\u306a\u30ea\u30f3\u30af<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7275ef2f350641cd9c439251ce38ba4a.webp\" alt=\"optical transceivers\" class=\"wp-image-3338\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7275ef2f350641cd9c439251ce38ba4a.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7275ef2f350641cd9c439251ce38ba4a-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7275ef2f350641cd9c439251ce38ba4a-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7275ef2f350641cd9c439251ce38ba4a-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7275ef2f350641cd9c439251ce38ba4a-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u3073\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u69cb\u6210\u8981\u7d20\u3078\u3068\u8a71\u304c\u53ca\u3073\u307e\u3059\uff1a\u3059\u306a\u308f\u3061 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/a>. \u3002\u3053\u306e\u3088\u3046\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u4f8b\u3048\u3070 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/470377.htm\"><strong>LINK-PP 400G QSFP-DD DR4<\/strong><\/a>, \u306f\u3001\u96fb\u6c17\u4fe1\u53f7\u3068\u5149\u4fe1\u53f7\u3092\u76f8\u4e92\u306b\u5909\u63db\u3059\u308b\u4e3b\u529b\u90e8\u54c1\u3067\u3042\u308a\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/fiber-optic-cable-what-it-is-and-how-it-works-explained\/\"><strong>\u5149\u30d5\u30a1\u30a4\u30d0\u30b1\u30fc\u30d6\u30eb<\/strong><\/a> \u3092\u4ecb\u3057\u305f\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u3001\u9a5a\u7570\u7684\u306a400\u30ae\u30d3\u30c3\u30c8\uff0f\u79d2\u3068\u3044\u3046\u901f\u5ea6\u3067\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u306f\u3001DMA\u306f\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3069\u306e\u3088\u3046\u306b\u95a2\u4fc2\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f \u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u81ea\u4f53\u306f\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-nic-network-interface-card\/\"><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30fb\u30ab\u30fc\u30c9\uff08NIC\uff09<\/strong><\/a> \u307e\u305f\u306f\u30b9\u30a4\u30c3\u30c1\u30fb\u30dd\u30fc\u30c8\u4e0a\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u305d\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u9023\u643a\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\">\u3053\u306e <strong>LINK-PP 400G<\/strong> \u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5149\u30c7\u30fc\u30bf\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u53d7\u4fe1\u3057\u3001\u305d\u308c\u3092\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u63db\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\">\u3053\u308c\u3089\u306e\u96fb\u6c17\u4fe1\u53f7\uff08\u73fe\u5728\u306f\u30c7\u30fc\u30bf\u30fb\u30d1\u30b1\u30c3\u30c8\uff09\u306f\u3001NIC\u306b\u642d\u8f09\u3055\u308c\u305f\u5c02\u7528\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u3088\u3063\u3066\u51e6\u7406\u3055\u308c\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u3053\u3053\u3067\u3053\u305dDMA\u304c\u771f\u4fa1\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/strong> NIC\u306fDMA\u3092\u7528\u3044\u3066\u3001\u53d7\u4fe1\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u5373\u5ea7\u304b\u3064\u52b9\u7387\u7684\u306b\u30b5\u30fc\u30d0\u30fc\u306e\u30e1\u30a4\u30f3\u30fb\u30e1\u30e2\u30ea\uff08RAM\uff09\u306b\u76f4\u63a5\u914d\u7f6e\u3057\u307e\u3059\u3002\u9006\u306b\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u306f\u3001NIC\u304cDMA\u3092\u7528\u3044\u3066RAM\u304b\u3089\u30d1\u30b1\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u3001 <strong>LINK-PP<\/strong> \u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p><\/li><li><p style=\"margin: 0px;\">\u3053\u306e\u4e00\u9023\u306e\u51e6\u7406\u306f\u3001CPU\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u306a\u304c\u3089\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u771f\u306e <strong>\u30e9\u30a4\u30f3\u30ec\u30fc\u30c8\u51e6\u7406<\/strong> \u3092400G\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002DMA\u304c\u306a\u3051\u308c\u3070\u3001CPU\u306f\u500b\u3005\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u4e00\u3064\u3072\u3068\u3064\u51e6\u7406\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u5de8\u5927\u306a\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u304c\u751f\u3058\u3001\u3053\u306e\u3088\u3046\u306a\u9ad8\u901f <strong>\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong> \u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u306f\u4e8b\u5b9f\u4e0a\u4e0d\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5927\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001\u5f37\u529b\u306a <strong>DMA\u6a5f\u80fd<\/strong> \u3092\u5099\u3048\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u9078\u5b9a\u3059\u308b\u3053\u3068\u306f\u5fc5\u9808\u6761\u4ef6\u3067\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>, \u306e\u3088\u3046\u306a\u30d9\u30f3\u30c0\u30fc\u3068\u63d0\u643a\u3057\u3001 <strong>\u9ad8\u5bc6\u5ea6QSFP-DD<\/strong> \u304a\u3088\u3073 <strong>OSFP<\/strong> \u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u3001\u9ad8\u5ea6\u306aNIC\u306eDMA\u30a8\u30f3\u30b8\u30f3\u3068\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u7d71\u5408\u3092\u78ba\u5b9f\u306b\u5b9f\u73fe\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3066\u3082\u3089\u3046\u3053\u3068\u306f\u3001\u4f4e\u9045\u5ef6\u30fb\u9ad8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30a4\u30f3\u30d5\u30e9\u69cb\u7bc9\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 \u7d50\u8ad6\uff1a\u901f\u5ea6\u3092\u652f\u3048\u308b\u7121\u540d\u306e\u30d2\u30fc\u30ed\u30fc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff08DMA\uff09<br><\/strong> DMA\u306f\u3001\u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u304a\u3051\u308b\u57fa\u76e4\u7684\u306a\u67f1\u3067\u3059\u3002\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30fb\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u30e1\u30e2\u30ea\u3068\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001CPU\u306e\u8ca0\u8377\u3092\u89e3\u653e\u3057\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u4f4e\u6e1b\u3057\u3001NVMe\u30c9\u30e9\u30a4\u30d6\u304b\u3089 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><strong>400G\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<br><\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u81f3\u308b\u307e\u3067\u3001\u9ad8\u901f\u30c7\u30d0\u30a4\u30b9\u306e\u771f\u306e\u6f5c\u5728\u80fd\u529b\u3092\u5f15\u304d\u51fa\u3057\u307e\u3059\u3002 <strong>CXL\uff08Compute Express Link\uff09<\/strong> \u30c7\u30fc\u30bf\u91cf\u3068\u901f\u5ea6\u8981\u4ef6\u304c\u4eca\u5f8c\u3082\u7d76\u3048\u9593\u306a\u304f\u5897\u5927\u3057\u7d9a\u3051\u308b\u4e2d\u3067\u3001DMA\u306e\u539f\u7406\u306f\u5f15\u304d\u7d9a\u304d\u4e2d\u5fc3\u7684\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u7d9a\u3051\u307e\u3059\u3002\u6b21\u4e16\u4ee3\u6280\u8853\u3067\u3042\u308b <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/rdma-over-converged-ethernet-fast-low-latency-data-transfer\/\"><strong>RDMA over Converged Ethernet\uff08RoCE\uff09<\/strong><\/a> \u3084\u3001\u305d\u306e\u5e83\u7bc4\u306a\u63a1\u7528\u306f\u3001\u3053\u306e\u57fa\u672c\u6982\u5ff5\u306b\u57fa\u3065\u304f\u9032\u5316\u306e\u4e00\u6b69\u3067\u3059\u3002DMA\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u79c1\u305f\u3061\u306e\u30c7\u30b8\u30bf\u30eb\u4e16\u754c\u304c\u3001\u4eca\u3084\u5f53\u7136\u306e\u3088\u3046\u306b\u4f9d\u5b58\u3059\u308b\u307b\u3069\u306e\u9a5a\u7570\u7684\u306a\u901f\u5ea6\u3067\u60c5\u5831\u3092\u79fb\u52d5\u3055\u305b\u308b\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >DMA\u3068\u306f\u4f55\u306e\u7565\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DMA\u306f\u300cDirect Memory Access\uff08\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff09\u300d\u306e\u7565\u3067\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u304cCPU\u3092\u4ecb\u3055\u305a\u306b\u30c7\u30fc\u30bf\u3092\u30e1\u30e2\u30ea\u306b\u76f4\u63a5\u8ee2\u9001\u3059\u308b\u969b\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u3042\u306a\u305f\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3067DMA\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c9\u30e9\u30a4\u30d6\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u3001\u30b5\u30a6\u30f3\u30c9\u30ab\u30fc\u30c9\u3001\u30d7\u30ea\u30f3\u30bf\u30fc\u306a\u3069\u306bDMA\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u9ad8\u901f\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306bDMA\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >DMA\u304c\u4f7f\u7528\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DMA\u304c\u306a\u3051\u308c\u3070\u3001CPU\u304c\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u500b\u5225\u306b\u51e6\u7406\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u52d5\u4f5c\u304c\u9045\u304f\u306a\u308a\u3001\u52b9\u7387\u3082\u4f4e\u4e0b\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30e1\u30e2\u30ea\u30fb\u30a2\u30af\u30bb\u30b9\uff08DMA\uff09\u306b\u3088\u308a\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30c7\u30d0\u30a4\u30b9\u306fCPU\u306e\u95a2\u4e0e\u306a\u3057\u306b\u30e1\u30e2\u30ea\u3068\u306e\u9593\u3067\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3067\u304d\u3001\u901f\u5ea6\u3068\u30b7\u30b9\u30c6\u30e0\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>","protected":false},"author":1,"featured_media":3336,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[24,26],"class_list":["post-3339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/3339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=3339"}],"version-history":[{"count":2,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/3339\/revisions"}],"predecessor-version":[{"id":9146,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/3339\/revisions\/9146"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/3336"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=3339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=3339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=3339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}