{"id":1790,"date":"2026-10-29T23:00:00","date_gmt":"2026-10-29T14:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1790"},"modified":"2026-10-26T23:25:37","modified_gmt":"2026-10-26T14:25:37","slug":"qs-artiq-dma-replay-handles","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1790","title":{"rendered":"ARTIQ\u306eDMA\u3001\u8a18\u9332\u3057\u305f\u51fa\u529b\u5217\u3092\u518d\u751f\u3059\u308b\u3068\u304d\u306e\u6642\u523b\u3068\u30cf\u30f3\u30c9\u30eb"},"content":{"rendered":"<p>\u91cf\u5b50\u5b9f\u9a13\u3067\u3001\u540c\u3058\u9593\u9694\u306e\u30d1\u30eb\u30b9\u3092\u4f55\u5ea6\u3082\u51fa\u3057\u305f\u3044\u3002\u6642\u523b\u3092\u6b63\u78ba\u306b\u6307\u5b9a\u3067\u304d\u3066\u3082\u3001CPU\u304c\u6b21\u306e\u51fa\u529b\u547d\u4ee4\u3092\u4f5c\u308b\u306e\u306b\u624b\u9593\u53d6\u308c\u3070\u3001\u4e88\u5b9a\u306b\u9593\u306b\u5408\u308f\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u9a13\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0ARTIQ\u306e<strong>DMA\uff08Direct Memory Access\uff09<\/strong>\u306f\u3001\u5148\u306b\u4f5c\u3063\u305f\u51fa\u529b\u30a4\u30d9\u30f3\u30c8\u306e\u5217\u3092\u30e1\u30e2\u30ea\u30fc\u3078\u8a18\u9332\u3057\u3001\u5c02\u7528\u56de\u8def\u304b\u3089\u518d\u751f\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u518d\u751f\u6642\u306b\u4f55\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3001\u4f55\u304c\u7e70\u308a\u8fd4\u3055\u308c\u306a\u3044\u306e\u304b\u3092\u77e5\u308b\u3068\u3001\u4f7f\u3044\u3069\u3053\u308d\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>DMA\u306b\u8a18\u9332\u3059\u308b\u306e\u306f\u3001\u6642\u523b\u4ed8\u304d\u306e\u51fa\u529b\u30a4\u30d9\u30f3\u30c8\u3067\u3059\u3002\u518d\u751f\u306e\u305f\u3073\u306bPython\u306e\u8a08\u7b97\u3084\u5165\u529b\u6e2c\u5b9a\u3092\u3084\u308a\u76f4\u3059\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li>\u8a18\u9332\u4e2d\u306f\u6642\u523b\u306e\u57fa\u6e96\u304c0\u306b\u306a\u308a\u3001\u518d\u751f\u6642\u306e\u958b\u59cb\u6642\u523b\u3078\u91cd\u306d\u3089\u308c\u307e\u3059\u3002\u672b\u5c3e\u306e\u5f85\u3061\u6642\u9593\u3082\u3001\u6b21\u306e\u518d\u751f\u958b\u59cb\u307e\u3067\u306e\u9593\u9694\u306b\u95a2\u308f\u308a\u307e\u3059\u3002<\/li>\n<li>\u9ad8\u901f\u306a\u547c\u3073\u51fa\u3057\u306b\u4f7f\u3046\u30cf\u30f3\u30c9\u30eb\u306f\u3001\u6b21\u306e\u8a18\u9332\u30fb\u524a\u9664\u3067\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002\u8a18\u9332\u3092\u3059\u3079\u3066\u7d42\u3048\u3066\u304b\u3089\u53d6\u5f97\u3059\u308b\u9806\u5e8f\u304c\u5927\u5207\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>CPU\u304c\u6bce\u56de\u4f5c\u308b\u51fa\u529b\u5217\u3092\u3001\u4e00\u5ea6\u8a18\u9332\u3057\u3066\u4f7f\u3046<\/h2>\n<p>ARTIQ\u306eRTIO\uff08Real-Time Input\/Output\uff09\u306f\u3001\u300c\u3044\u3064\u3001\u3069\u306e\u51fa\u529b\u3092\u3001\u3069\u3046\u5909\u3048\u308b\u304b\u300d\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u6307\u5b9a\u6642\u523b\u306b\u4fe1\u53f7\u3092\u5909\u3048\u307e\u3059\u3002CPU\u304c\u547d\u4ee4\u3092\u51e6\u7406\u3059\u308b\u77ac\u9593\u3068\u3001\u7aef\u5b50\u306e\u4fe1\u53f7\u304c\u5909\u308f\u308b\u77ac\u9593\u306f\u5225\u3067\u3059\u3002\u51fa\u529b\u4e88\u5b9a\u304c\u73fe\u5b9f\u306e\u6642\u8a08\u3088\u308a\u5148\u306b\u3042\u308c\u3070\u6e96\u5099\u3067\u304d\u307e\u3059\u304c\u3001\u4e88\u5b9a\u6642\u523b\u3092\u904e\u304e\u3066\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u3092\u6e21\u3059\u3068\u3001RTIOUnderflow\u3068\u3044\u3046\u4f8b\u5916\u306b\u306a\u308a\u307e\u3059\u3002[1]<\/p>\n<p>\u30d1\u30eb\u30b9\u9593\u9694\u3092\u8a70\u3081\u308b\u307b\u3069\u3001CPU\u306b\u306f\u77ed\u3044\u6642\u9593\u3067\u6b21\u3005\u3068\u30a4\u30d9\u30f3\u30c8\u3092\u7528\u610f\u3059\u308b\u529b\u304c\u8981\u308a\u307e\u3059\u3002DMA\u3067\u306f\u3001\u3053\u306e\u5217\u3092\u3042\u3089\u304b\u3058\u3081SDRAM\u3078\u4fdd\u5b58\u3057\u3001\u518d\u751f\u6642\u306f\u5c02\u7528\u306eDMA\u56de\u8def\u304b\u3089RTIO\u3078\u9001\u308a\u307e\u3059\u3002\u540c\u3058\u51fa\u529b\u5217\u3092\u4f7f\u3046\u5834\u9762\u3067\u306f\u3001CPU\u304c\u4e00\u4ef6\u305a\u3064\u4f5c\u308b\u8ca0\u62c5\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002[2][3]<\/p>\n<p>\u305f\u3060\u3057\u3001DMA\u304c\u8a18\u9332\u3059\u308b\u306e\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u305d\u306e\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8a18\u9332\u51e6\u7406\u306e\u4e2d\u3067\u5024\u3092\u8a08\u7b97\u3057\u3066\u51fa\u529b\u3092\u9078\u3093\u3060\u5834\u5408\u3001\u6b8b\u308b\u306e\u306f\u305d\u306e\u3068\u304d\u306b\u6c7a\u307e\u3063\u305f\u51fa\u529b\u30a4\u30d9\u30f3\u30c8\u3067\u3059\u3002\u518d\u751f\u4e2d\u306e\u6e2c\u5b9a\u7d50\u679c\u306b\u5fdc\u3058\u3066\u5217\u306e\u9014\u4e2d\u3092\u7d44\u307f\u66ff\u3048\u308b\u7528\u9014\u3068\u306f\u5206\u3051\u3066\u8003\u3048\u307e\u3059\u3002\u5165\u529b\u3092\u8aad\u3080\u51e6\u7406\u3082DMA\u3078\u8a18\u9332\u3055\u308c\u305a\u3001\u305d\u306e\u5834\u306e\u5b9f\u6642\u9593\u306e\u5165\u529b\u51e6\u7406\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002[2]<\/p>\n<h2>\u8a18\u9332\u306e0\u6642\u523b\u3092\u3001\u518d\u751f\u3092\u59cb\u3081\u308b\u4f4d\u7f6e\u3078\u91cd\u306d\u308b<\/h2>\n<p><code>record()<\/code>\u3067\u8a18\u9332\u533a\u9593\u3078\u5165\u308b\u3068\u3001\u4e88\u5b9a\u6642\u523b\u3092\u793a\u3059\u30ab\u30fc\u30bd\u30eb\u304c0\u306b\u306a\u308a\u307e\u3059\u3002\u533a\u9593\u3092\u51fa\u308b\u3068\u3001\u8a18\u9332\u3092\u59cb\u3081\u308b\u524d\u306e\u30ab\u30fc\u30bd\u30eb\u3078\u623b\u308a\u307e\u3059\u3002\u8a18\u9332\u4e2d\u306b\u9032\u3081\u305f\u6642\u9593\u304c\u3001\u305d\u306e\u307e\u307e\u5916\u5074\u306e\u4e88\u5b9a\u6642\u523b\u3078\u8db3\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002[3][4]<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e8 \u00b5s\u5206\u306e\u51fa\u529b\u5217\u3092\u4f5c\u308b\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6642\u523b\u306e\u8aad\u307f\u65b9\u3092\u793a\u3059\u4eee\u60f3\u4f8b\u3067\u3001\u88c5\u7f6e\u3067\u6e2c\u3063\u305f\u6ce2\u5f62\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div style=\"overflow-x:auto\">\n<table>\n<thead>\n<tr>\n<th>\u8a18\u9332\u5185\u306e\u6642\u523b<\/th>\n<th>\u51fa\u529b<\/th>\n<th>100 \u00b5s\u304b\u3089\u518d\u751f\u3057\u305f\u5834\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0 \u00b5s<\/td>\n<td>High\u306b\u3059\u308b<\/td>\n<td>100 \u00b5s<\/td>\n<\/tr>\n<tr>\n<td>2 \u00b5s<\/td>\n<td>Low\u306b\u3059\u308b<\/td>\n<td>102 \u00b5s<\/td>\n<\/tr>\n<tr>\n<td>5 \u00b5s<\/td>\n<td>High\u306b\u3059\u308b<\/td>\n<td>105 \u00b5s<\/td>\n<\/tr>\n<tr>\n<td>6 \u00b5s<\/td>\n<td>Low\u306b\u3059\u308b<\/td>\n<td>106 \u00b5s<\/td>\n<\/tr>\n<tr>\n<td>8 \u00b5s<\/td>\n<td>\u5f85\u3061\u6642\u9593\u306e\u7d42\u308f\u308a<\/td>\n<td>\u6b21\u306e\u30ab\u30fc\u30bd\u30eb\u306f108 \u00b5s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u518d\u751f\u958b\u59cb\u3092100 \u00b5s\u304b\u3089200 \u00b5s\u3078\u5909\u3048\u3066\u3082\u3001\u8a18\u9332\u5185\u306e\u9593\u9694\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u6700\u5f8c\u306bLow\u3078\u5909\u3048\u308b6 \u00b5s\u3068\u3001\u5217\u306e\u9577\u3055\u3067\u3042\u308b8 \u00b5s\u306f\u9055\u3044\u307e\u3059\u3002\u6700\u5f8c\u306e2 \u00b5s\u306e\u5f85\u3061\u6642\u9593\u3092\u542b\u3081\u3066\u30ab\u30fc\u30bd\u30eb\u304c\u9032\u3080\u306e\u3067\u3001\u9593\u306b\u5225\u306e\u9045\u5ef6\u3092\u5165\u308c\u305a\u518d\u751f\u3092\u7d9a\u3051\u308b\u306a\u3089\u3001\u6b21\u306e\u5217\u306f108 \u00b5s\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u5b9f\u88c5\u3067\u3082\u3001\u958b\u59cb\u6642\u306e\u30ab\u30fc\u30bd\u30eb\u3092\u518d\u751f\u3078\u6e21\u3057\u305f\u5f8c\u3001\u8a18\u9332\u3057\u305f\u9577\u3055\u3060\u3051\u30ab\u30fc\u30bd\u30eb\u3092\u9032\u3081\u3066\u3044\u307e\u3059\u3002[4]<\/p>\n<h2>\u30cf\u30f3\u30c9\u30eb\u3092\u53d6\u308b\u306e\u306f\u3001\u8a18\u9332\u3092\u7d42\u3048\u3066\u304b\u3089<\/h2>\n<p>\u8a18\u9332\u306b\u306f\u540d\u524d\u3092\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<code>playback(\"\u540d\u524d\")<\/code>\u3067\u547c\u3073\u51fa\u3059\u307b\u304b\u3001<code>get_handle()<\/code>\u3067\u53d6\u5f97\u3057\u305f<strong>\u30cf\u30f3\u30c9\u30eb<\/strong>\u3092<code>playback_handle()<\/code>\u3078\u6e21\u3059\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u30cf\u30f3\u30c9\u30eb\u306f\u3001\u8a18\u9332\u3092\u518d\u751f\u3059\u308b\u305f\u3081\u306e\u4f4d\u7f6e\u3084\u9577\u3055\u306a\u3069\u3092\u307e\u3068\u3081\u305f\u5024\u3067\u3059\u3002\u7e70\u308a\u8fd4\u3057\u518d\u751f\u3067\u306f\u540d\u524d\u304b\u3089\u63a2\u3059\u624b\u9593\u3092\u7701\u3051\u307e\u3059\u304c\u3001\u305d\u306e\u6709\u52b9\u671f\u9593\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u5074\u3067\u7ba1\u7406\u3057\u307e\u3059\u3002[3]<\/p>\n<p>\u3053\u3053\u3067\u6ce8\u610f\u3057\u305f\u3044\u306e\u304c\u3001\u30cf\u30f3\u30c9\u30eb\u3092\u53d6\u3063\u305f\u5f8c\u306b<strong>\u5225\u306e\u540d\u524d\u306e\u5217\u3092\u8a18\u9332\u3057\u3066\u3082\u3001\u53e4\u3044\u30cf\u30f3\u30c9\u30eb\u306f\u7121\u52b9\u306b\u306a\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u516c\u5f0f\u4ed5\u69d8\u306e\u6709\u52b9\u671f\u9593\u306f\u3001\u6b21\u306b<code>record()<\/code>\u307e\u305f\u306f<code>erase()<\/code>\u3092\u547c\u3076\u307e\u3067\u3002\u53c2\u7167\u3057\u305f\u5b9f\u88c5\u306f\u3001\u8a18\u9332\u30fb\u524a\u9664\u306e\u305f\u3073\u306b\u5171\u901a\u306e\u4e16\u4ee3\u756a\u53f7\u3092\u9032\u3081\u3001\u518d\u751f\u6642\u306b\u4e00\u81f4\u3092\u78ba\u304b\u3081\u3066\u3044\u307e\u3059\u3002[3][4]<\/p>\n<p>\u300c\u5217A\u3092\u8a18\u9332\u2192A\u306e\u30cf\u30f3\u30c9\u30eb\u53d6\u5f97\u2192\u5217B\u3092\u8a18\u9332\u2192A\u3092\u518d\u751f\u300d\u3068\u3044\u3046\u9806\u5e8f\u3067\u306f\u3001A\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u305d\u306e\u307e\u307e\u4f7f\u3048\u307e\u305b\u3093\u3002\u300c\u5217A\u3068\u5217B\u3092\u8a18\u9332\u2192\u4e21\u65b9\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u53d6\u5f97\u2192\u518d\u751f\u300d\u306a\u3089\u3001\u8a18\u9332\u306b\u3088\u308b\u7121\u52b9\u5316\u3092\u631f\u307e\u305a\u306b\u4f7f\u3048\u307e\u3059\u3002\u9014\u4e2d\u3067\u5217\u3092\u8a18\u9332\u3057\u76f4\u3059\u5834\u5408\u306f\u3001\u305d\u306e\u5f8c\u306b\u5fc5\u8981\u306a\u30cf\u30f3\u30c9\u30eb\u3092\u53d6\u308a\u76f4\u3057\u307e\u3059\u3002\u540c\u3058\u540d\u524d\u3067\u306e\u8a18\u9332\u306f\u4ee5\u524d\u306e\u5217\u3092\u4e0a\u66f8\u304d\u3059\u308b\u306e\u3067\u3001\u540d\u524d\u3060\u3051\u3067\u65e7\u5185\u5bb9\u306e\u4fdd\u6301\u3092\u671f\u5f85\u3057\u306a\u3044\u3053\u3068\u3082\u5927\u5207\u3067\u3059\u3002[3]<\/p>\n<h2>\u300c\u518d\u751f\u95a2\u6570\u304c\u623b\u3063\u305f\u300d\u3068\u300c\u4fe1\u53f7\u304c\u51fa\u7d42\u308f\u3063\u305f\u300d\u306f\u9055\u3046<\/h2>\n<p><code>playback()<\/code>\u306f\u3001\u5217\u5168\u4f53\u3092RTIO\u306e\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u3078\u6e21\u3059\u307e\u3067\u5f85\u3061\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6700\u5f8c\u306e\u4fe1\u53f7\u304c\u7aef\u5b50\u304b\u3089\u51fa\u308b\u6642\u523b\u307e\u3067\u5f85\u3064\u3053\u3068\u3068\u306f\u9055\u3044\u307e\u3059\u3002\u51fa\u529b\u306f\u4e88\u5b9a\u6642\u523b\u306b\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u5f8c\u7d9a\u51e6\u7406\u3067\u5b9f\u6642\u9593\u306e\u5b8c\u4e86\u3092\u5f85\u3061\u305f\u3044\u5834\u5408\u306f\u3001\u6700\u5f8c\u306e\u30a4\u30d9\u30f3\u30c8\u4ee5\u5f8c\u306e\u6642\u523b\u3092<code>core.wait_until_mu()<\/code>\u3078\u6e21\u3059\u3001\u3068\u3044\u3046\u533a\u5225\u304c\u5fc5\u8981\u3067\u3059\u3002[1][3]<\/p>\n<p>DMA\u3092\u4f7f\u3063\u3066\u3082\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u4e26\u3073\u65b9\u3084\u51fa\u529b\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u5236\u7d04\u306f\u6b8b\u308a\u307e\u3059\u3002\u540c\u3058\u6642\u523b\u4ed8\u8fd1\u3078\u51fa\u529b\u3092\u8a70\u3081\u3059\u304e\u305f\u308a\u3001\u6642\u523b\u306e\u9806\u5e8f\u306b\u554f\u984c\u304c\u3042\u3063\u305f\u308a\u3059\u308b\u5834\u5408\u307e\u3067\u3001\u8a18\u9332\u3068\u518d\u751f\u3060\u3051\u3067\u89e3\u6d88\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305a\u3001CPU\u306b\u3088\u308b\u30a4\u30d9\u30f3\u30c8\u751f\u6210\u304c\u8ffd\u3044\u4ed8\u304b\u306a\u3044\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u51fa\u529b\u5217\u81ea\u4f53\u306b\u554f\u984c\u304c\u3042\u308b\u306e\u304b\u3092\u5206\u3051\u308b\u3068\u3001\u5bfe\u7b56\u3092\u9078\u3073\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002[1][2]<\/p>\n<p>\u8a18\u9332\u306f\u30ab\u30fc\u30cd\u30eb\u306e\u547c\u3073\u51fa\u3057\u3092\u307e\u305f\u3044\u3067\u4f7f\u3048\u307e\u3059\u304c\u3001\u88c5\u7f6e\u306e\u518d\u8d77\u52d5\u3092\u307e\u305f\u3044\u3067\u306f\u6b8b\u308a\u307e\u305b\u3093\u3002\u518d\u8d77\u52d5\u5f8c\u306f\u5217\u3092\u8a18\u9332\u3057\u76f4\u3057\u3066\u304b\u3089\u518d\u751f\u3057\u307e\u3059\u3002[2] \u540c\u3058\u5217\u3092\u7e70\u308a\u8fd4\u3059\u90e8\u5206\u3092DMA\u3078\u4efb\u305b\u3001\u6e2c\u5b9a\u7d50\u679c\u3092\u898b\u3066\u6b21\u306e\u5217\u3092\u9078\u3076\u90e8\u5206\u306f\u5225\u306b\u7d44\u307f\u7acb\u3066\u308b\u3002\u305d\u306e\u5883\u76ee\u3092\u6c7a\u3081\u308b\u3053\u3068\u304c\u3001\u6642\u9593\u306e\u8a70\u307e\u3063\u305f\u5b9f\u9a13\u624b\u9806\u3092\u8aad\u307f\u3084\u3059\u304f\u4fdd\u3064\u52a9\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<p>\u53c2\u7167\u7248\uff1aARTIQ\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 9.9698+a7303a7\u30012026\u5e7410\u670826\u65e5\u53d6\u5f97\u3002\u4ee5\u4e0b\u306f\u540c\u3058\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4ed5\u69d8\u30fb\u5b9f\u88c5\u3092\u7167\u5408\u3057\u305f\u3082\u306e\u3067\u3001\u8907\u6570\u306e\u72ec\u7acb\u3057\u305f\u6027\u80fd\u5b9f\u9a13\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u88c5\u7f6e\u306e\u5b9f\u6e2c\u3084\u6027\u80fd\u500d\u7387\u306e\u691c\u8a3c\u306f\u884c\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/m-labs.hk\/artiq\/manual\/rtio.html\">ARTIQ Real-Time I\/O concepts<\/a> \u2014 Timeline and output events\u3001Seamless handover and synchronization\u3001\u30a8\u30e9\u30fc\u3068\u30d0\u30c3\u30d5\u30a1\u306e\u8aac\u660e\u3002<\/li>\n<li><a href=\"https:\/\/m-labs.hk\/artiq\/manual\/getting_started_core.html#direct-memory-access-dma\">Getting started with the core device \u2014 Direct Memory Access (DMA)<\/a> \u2014 \u8a18\u9332\u30fb\u518d\u751f\u3001\u5165\u529b\u3068\u518d\u8d77\u52d5\u6642\u306e\u6271\u3044\u3002<\/li>\n<li><a href=\"https:\/\/m-labs.hk\/artiq\/manual\/core_drivers_reference.html#artiq.coredevice.dma.CoreDMA\">Core real-time drivers \u2014 CoreDMA<\/a> \u2014 \u5404\u30e1\u30bd\u30c3\u30c9\u306e\u4ed5\u69d8\u3002<\/li>\n<li><a href=\"https:\/\/m-labs.hk\/artiq\/manual\/_modules\/artiq\/coredevice\/dma.html\">Source code for artiq.coredevice.dma<\/a> \u2014 \u8a18\u9332\u6642\u9593\u3001\u518d\u751f\u6642\u523b\u3001\u30cf\u30f3\u30c9\u30eb\u306e\u4e16\u4ee3\u7ba1\u7406\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u91cf\u5b50\u5b9f\u9a13\u3067\u3001\u540c\u3058\u9593\u9694\u306e\u30d1\u30eb\u30b9\u3092\u4f55\u5ea6\u3082\u51fa\u3057\u305f\u3044\u3002\u6642\u523b\u3092\u6b63\u78ba\u306b\u6307\u5b9a\u3067\u304d\u3066\u3082\u3001CPU\u304c\u6b21\u306e\u51fa\u529b\u547d\u4ee4\u3092\u4f5c\u308b\u306e\u306b\u624b\u9593\u53d6\u308c\u3070\u3001\u4e88\u5b9a\u306b\u9593\u306b\u5408\u308f\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u9a13\u5236\u5fa1\u30b7\u30b9\u30c6\u30e0ARTIQ\u306eDMA\uff08Direct Memory Acce [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1789,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[30],"tags":[184],"class_list":["post-1790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computing","tag-quantum-computers"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-artiq-dma-replay-handles-featured-5425ff31f289.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1790"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1790\/revisions"}],"predecessor-version":[{"id":1791,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1790\/revisions\/1791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1789"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}