{"id":69719,"date":"2016-09-22T16:46:23","date_gmt":"2016-09-22T14:46:23","guid":{"rendered":"https:\/\/codasip.com\/2016\/09\/22\/what-is-risc-vwhy-do-we-care-and-why-you-should-too\/"},"modified":"2023-12-13T12:37:29","modified_gmt":"2023-12-13T11:37:29","slug":"what-is-risc-vwhy-do-we-care-and-why-you-should-too","status":"publish","type":"post","link":"https:\/\/codasip.com\/jp\/2016\/09\/22\/what-is-risc-vwhy-do-we-care-and-why-you-should-too\/","title":{"rendered":"RISC-V\u3068\u306f\uff1f\u898b\u9003\u3059\u3079\u304d\u3067\u306a\u3044\u7406\u7531"},"content":{"rendered":"\n<p>\u4eca\u307e\u3055\u306b\u8d77\u304d\u3066\u3044\u308bRISC-V\u9769\u547d\u304c\u534a\u5c0e\u4f53\u696d\u754c\u306e\u30d3\u30b8\u30cd\u30b9\u306e\u3042\u308a\u65b9\u3092\u5909\u3048\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059. \u3057\u304b\u3057, RISC-V\u304c\u6b63\u3057\u304f\u7406\u89e3\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u591a\u3044\u3088\u3046\u3067\u3059. RISC-V\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u306f\u3042\u308a\u307e\u305b\u3093. \u3053\u3053\u3067\u306f\u300c<strong>RISC-V\u3068\u306f\u4f55\u306a\u306e\u304b<\/strong>\u300d\u3068\u3044\u3046\u7591\u554f\u3078\u306e\u56de\u7b54\u3068, \u306a\u305c\u30b3\u30c0\u30b7\u30c3\u30d7\u304cRISC-V\u306b\u3053\u3060\u308f\u308b\u306e\u304b, \u305d\u3057\u3066\u3042\u306a\u305f\u3082\u305d\u308c\u3092\u898b\u9003\u3059\u3079\u304d\u3067\u306f\u306a\u3044\u7406\u7531\u3092\u304a\u8a71\u3057\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-risc-v\u3068\u306f\">RISC-V\u3068\u306f\uff1f<\/h3>\n\n\n\n<p>RISC-V\u306f,&nbsp;<strong>\u547d\u4ee4\u30bb\u30c3\u30c8\uff65\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff08ISA\uff09<\/strong>\u306e\u30aa\u30fc\u30d7\u30f3\u306a\u4ed5\u69d8\u3067\u3059. \u3064\u307e\u308a, Intel\/AMD\u30d7\u30ed\u30bb\u30c3\u30b5\u306ex86 ISA\u3084\u6700\u65b0Arm\u30d7\u30ed\u30bb\u30c3\u30b5\u306eArmv8 ISA\u3068\u540c\u3058\u3088\u3046\u306b, \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u306e\u5bfe\u8a71\u624b\u6bb5\u3067\u3059. RISC-V\u306e\u30dd\u30b8\u30b7\u30e7\u30f3\u306f, \u7279\u5b9a\u4f01\u696d\u304c\u6a29\u5229\u3092\u6709\u3059\u308b\u305d\u308c\u3089ISA\u3068\u5c11\u3057\u7570\u306a\u308a\u307e\u3059.&nbsp;<strong>RISC-V ISA\u306f\u30aa\u30fc\u30d7\u30f3\u306a\u4ed5\u69d8<\/strong>\u306a\u306e\u3067\uff08\u5546\u7528\u3068\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff65\u30e9\u30a4\u30bb\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f, \u5225\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u8aac\u660e\uff09, \u8ab0\u3067\u3082RISC-V ISA\u3092\u4f7f\u3063\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059. \u3088\u304f\u6b21\u306e2\u3064\u306e\u8cea\u554f\u3092\u3044\u305f\u3060\u304d\u307e\u3059. \u300c<strong>RISC-V\u306f\u30d7\u30ed\u30bb\u30c3\u30b5\u306a\u306e\u304b\uff1f<\/strong>\u300d\u300cRISC-V\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u306a\u306e\u304b\uff1f\u300d RISC-V\u306fISA\u306e\u4ed5\u69d8\u3092\u6307\u3057, \u30d7\u30ed\u30bb\u30c3\u30b5\u305d\u306e\u3082\u306e\u3067\u3082\u306a\u304f, \u5b9f\u88c5\u3055\u308c\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3082\u3042\u308a\u307e\u305b\u3093. \u5148\u306e2\u3064\u306e\u8cea\u554f\u306e\u7b54\u3048\u306f\u5171\u306b\u300cNo\u300d\u3067\u3042\u308b\u3053\u3068\u304c\u304a\u5206\u304b\u308a\u3044\u305f\u3060\u3051\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-risc-v-vs-arm-or-intel-amd\">RISC-V VS. ARM OR INTEL\/AMD?<\/h4>\n\n\n\n<p>\u304a\u5ba2\u69d8\u306b\u88fd\u54c1\u3092\u4f9b\u7d66\u3059\u308b\u30d9\u30f3\u30c0\u306b\u3068\u3063\u3066\u306f, \u56f2\u3044\u8fbc\u307f\u306e\u6210\u529f\u306f\u559c\u3070\u3057\u3044\u3053\u3068\u3067\u3059. \u306a\u305c\u306a\u3089\u30d9\u30f3\u30c0\u304c\u4e00\u5ea6\u56f2\u3044\u8fbc\u307f\u3057\u305f\u304a\u5ba2\u69d8\u306f, \u305d\u306e\u5f8c\u7af6\u5408\u4ed6\u793e\u88fd\u54c1\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u96e3\u3057\u304f\u306a\u308b\u304b\u3089\u3067\u3059. \u56f2\u3044\u8fbc\u307f\u3092\u6210\u529f\u3055\u305b\u308b\u6700\u826f\u306e\u65b9\u6cd5\u306f\u300c\u53ef\u3082\u306a\u304f\u4e0d\u53ef\u3082\u306a\u3044\u5fc5\u8981\u5341\u5206\u306a\u88fd\u54c1\u300d\u3068, \u300c<strong>\u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0<\/strong>\u300d\u3092\u4f5c\u308a\u4e0a\u3052\u308b\u3053\u3068\u3067\u3059. \u305d\u3046\u3059\u308c\u3070\u4e00\u5ea6\u56f2\u3044\u8fbc\u307e\u308c\u305f\u304a\u5ba2\u69d8\u306f, \u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u5c0e\u5165\u306b\u591a\u304f\u306e\u6295\u8cc7\u3092\u3057\u3066\u3057\u307e\u3044, \u629c\u3051\u51fa\u3059\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u9038\u3057, \u975e\u5e38\u306b\u9577\u3044\u9593\u56f2\u3044\u8fbc\u307f\u3055\u308c\u308b\u7d50\u679c\u3068\u306a\u308a\u307e\u3059. \u7af6\u5408\u3059\u308b\u65b0\u8208\u30d9\u30f3\u30c0\u306f\u6210\u529f\u3059\u308b\u305f\u3081\u306b\u3088\u308a\u826f\u3044\u88fd\u54c1\u3092\u63d0\u4f9b\u3059\u308b\u3060\u3051\u3067\u306a\u304f, \u540c\u7b49\u306e\u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093. \u3057\u304b\u3057, \u304a\u5ba2\u69d8\u304c\u56f2\u3044\u8fbc\u307e\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u65b0\u3057\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u3082\u305f\u3089\u3059\u30e1\u30ea\u30c3\u30c8\u30921\u5bfe1\u3067\u6bd4\u8f03\u3092\u3059\u308b\u3053\u3068\u306f, \u591a\u304f\u306e\u5834\u5408\u96e3\u3057\u3044\u3068\u601d\u308f\u308c\u307e\u3059.<\/p>\n\n\n\n<p>\u300cIBM\u3092\u8cb7\u3063\u3066\u3082\u8ab0\u3082\u30af\u30d3\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u6614\u306e\u3053\u3068\u308f\u3056\u306e\u3088\u3046\u306b, \u6700\u8fd1\u3067\u306f\u300cArm\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u3063\u3066\u3082\u8ab0\u3082\u30af\u30d3\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u901a\u8aac\u306b\u306a\u3063\u3066\u3044\u307e\u3059. \u3057\u304b\u3057, \u3053\u308c\u306b\u306f\u8ca0\u306e\u5074\u9762\u3082\u3042\u308a\u307e\u3059. \u3082\u3057, \u4f01\u696d\u304c<strong>\u56fa\u6709\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u751f\u304b\u3057\u305f\u5dee\u5225\u5316\u30d3\u30b8\u30cd\u30b9<\/strong>\u3092\u6210\u3057\u9042\u3052\u3089\u308c\u306a\u3051\u308c\u3070, \u9032\u5316\u306f\u505c\u6ede\u3057\u3066\u884c\u304d\u307e\u3059. \u305d\u3057\u3066\u4f01\u696d\u306f\u304a\u5ba2\u69d8\u3092\u6e80\u8db3\u3055\u305b\u308b\u5fc5\u8981\u5341\u5206\u3060\u3051\u306e\u6295\u8cc7\u3057\u304b\u3057\u306a\u304f\u306a\u308a, \u8870\u9000\u3057\u3066\u884c\u304d\u307e\u3059.<\/p>\n\n\n\n<p>RISC-V\u306f, \u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3092\u5909\u5316\u3055\u305b\u59cb\u3081\u3066\u3044\u307e\u3059. \u306a\u305c\u306a\u3089<strong>RISC-V\u4ed5\u69d8\u3092\u30d9\u30fc\u30b9\u306b\u5171\u901a\u5316\u3055\u308c\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff65\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0<\/strong>\u306f, \u30d7\u30ed\u30bb\u30c3\u30b5\uff65\u30d9\u30f3\u30c0\u304c\u7570\u306a\u3063\u3066\u3082\u6d41\u7528\u3067\u304d\u308b\u305f\u3081, \u30d7\u30ed\u30bb\u30c3\u30b5\uff65\u30d9\u30f3\u30c0\u306b\u306f\u8272\u3005\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3059\u308b\u88fd\u54c1\u306e\u30e1\u30ea\u30c3\u30c8\u3067\u7af6\u4e89\u3059\u308b\u3053\u3068\u304c\u81ea\u7136\u3068\u6c42\u3081\u3089\u308c\u307e\u3059. \u7d50\u679c, \u30d7\u30ed\u30bb\u30c3\u30b5\uff65\u30d9\u30f3\u30c0\u9593\u306e<strong>\u7af6\u4e89\u306f\u6fc0\u3057\u304f\u306a\u308a, \u7d44\u8fbc\u307f\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u6280\u8853\u9769\u65b0\u306e\u5927\u5e45\u306a\u52a0\u901f<\/strong>\u304c\u3082\u305f\u3089\u3055\u308c, \u304a\u5ba2\u69d8\u306f\u300c\u53ef\u3082\u306a\u304f\u4e0d\u53ef\u3082\u306a\u3044\u5fc5\u8981\u5341\u5206\u306a\u88fd\u54c1\u300d\u306e\u30af\u30aa\u30ea\u30c6\u30a3\u3067\u8db3\u8e0f\u307f\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059. \u307e\u305f, \u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30d9\u30f3\u30c1\u30e3\u30fc\u4f01\u696d\u306f, \u305d\u308c\u305e\u308c\u3067\u56fa\u6709\u306e\u9ad8\u4fa1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u305f\u3081, \u30d7\u30ed\u30bb\u30c3\u30b5\u958b\u767a\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059. \u305d\u3057\u3066\u591a\u304f\u306e\u65b0\u3057\u3044\u9769\u65b0\u7684\u306a\u30d7\u30ed\u30bb\u30c3\u30b5\u4f01\u696d\u304c\u767b\u5834\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-\u5546\u7528\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3-\u30e9\u30a4\u30bb\u30f3\u30b9\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\">\u5546\u7528\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff65\u30e9\u30a4\u30bb\u30f3\u30b9\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\uff1f<\/h4>\n\n\n\n<p>\u304a\u5ba2\u69d8\u306b\u3068\u3063\u3066\u306f\u4f55\u3082\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3042\u308a\u307e\u305b\u3093. \u3067\u3082\u30d7\u30ed\u30bb\u30c3\u30b5IP\u30d9\u30f3\u30c0\u306b\u3068\u3063\u3066, \u300c\u53ef\u3082\u306a\u304f\u4e0d\u53ef\u3082\u306a\u3044\u5fc5\u8981\u5341\u5206\u306a\u88fd\u54c1\u300d\u3067\u306f\u3082\u3046\u30d3\u30b8\u30cd\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u306e\u3067\u3059. \u30b3\u30c0\u30b7\u30c3\u30d7\u306e\u3088\u3046\u306a\u30d9\u30f3\u30c0\u306f,&nbsp;<strong>\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3057, \u305d\u308c\u3092\u4e0a\u56de\u308b\u6700\u9ad8\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b<\/strong>\u3057\u306a\u3051\u308c\u3070\u304a\u5ba2\u69d8\u306f\u7c21\u5358\u306b\u65b0\u3057\u3044\u30d9\u30f3\u30c0\u306b\u4e57\u308a\u63db\u3048\u3066\u3057\u307e\u3046\u3067\u3057\u3087\u3046. RISC-V\u306f\u30d7\u30ed\u30bb\u30c3\u30b5IP\u306e\u30b3\u30e2\u30c7\u30a3\u30c6\u30a3\u5316\u306b\u3064\u306a\u304c\u308b\u3068\u3044\u3046\u30a2\u30ca\u30ea\u30b9\u30c8\u3082\u3044\u307e\u3059\u304c, \u79c1\u305f\u3061\u306f<strong>\u5c02\u9580\u5316\u3068\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u306a\u304c\u308b<\/strong>\u3068\u8003\u3048\u3066\u3044\u307e\u3059. RISC-V\u306f\u5e95\u8fba\u306e\u7af6\u4e89\u3067\u306f\u306a\u304f, \u3080\u3057\u308d\u4ed8\u52a0\u4fa1\u5024\u3092\u304a\u5ba2\u69d8\u304c\u624b\u306b\u3059\u308b\u30c1\u30e3\u30f3\u30b9\u3068\u306a\u308b\u3067\u3057\u3087\u3046.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-risc-v-isa\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\">RISC-V ISA\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\uff1f<\/h4>\n\n\n\n<p>RISC-V\u4ed5\u69d8\u3092\u306f\u3058\u3081\u306b\u4f5c\u6210\u3057\u305f\u591a\u304f\u306e\u5b66\u8853\u6a5f\u95a2, \u7279\u306bUC-Berkley\u306e\u6d3b\u52d5\u306b\u3088\u308a,&nbsp;<strong>RISC-V ISA\u4ed5\u69d8<\/strong>\u306e\u5b9f\u88c5\u30b3\u30a2\u304c\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u591a\u6570\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059.&nbsp;<strong>\u30aa\u30fc\u30d7\u30f3\u306a\u4ed5\u69d8<\/strong>\u3067\u306a\u3051\u308c\u3070\u4e0d\u53ef\u80fd\u3060\u3063\u305f, \u3055\u307e\u3056\u307e\u306a\u5b66\u8853\u6a5f\u95a2\u3084\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eSoC\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u3059\u3067\u306b\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059. \u3057\u304b\u3057, \u3088\u308a\u91cd\u8981\u306a\u306e\u306f,&nbsp;<strong>\u6c11\u9593\u4f01\u696d\u304c\u72ec\u81ea\u306e<\/strong>RISC-V\u30d7\u30ed\u30bb\u30c3\u30b5<strong>\u5b9f\u88c5\u3092\u81ea\u7531\u306b\u8a2d\u8a08<\/strong>\u3067\u304d\u308b\u3053\u3068\u3067\u3059. \u3053\u308c\u306b\u3088\u308a, \u304a\u5ba2\u69d8\u306e\u9078\u629e\u80a2\u306f\u3055\u3089\u306b\u5e83\u304c\u308a\u307e\u3059.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-risc-v\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u30b3\u30c0\u30b7\u30c3\u30d7\u306e\u95a2\u4fc2\u306f\">RISC-V\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u30b3\u30c0\u30b7\u30c3\u30d7\u306e\u95a2\u4fc2\u306f\uff1f<\/h4>\n\n\n\n<p>RISC-V\u306f\u30e2\u30b8\u30e5\u30e9\u30fc\u5316\u3055\u308c\u305f\u62e1\u5f35\u53ef\u80fd\u306aISA\u30bb\u30c3\u30c8\u3067\u3059. \u3053\u308c\u304c\u610f\u5473\u3059\u308b\u3053\u3068\u306f, \u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u4e0e\u3048\u3089\u308c\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066,&nbsp;<strong>\u6700\u5c0f\u9650\u306e\u547d\u4ee4\u30bb\u30c3\u30c8, \u30af\u30ea\u30fc\u30f3\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u6a19\u6e96\u62e1\u5f35, \u305d\u3057\u3066\u30ab\u30b9\u30bf\u30e0\u62e1\u5f35\u3092\u5b9f\u88c5<\/strong>\u3067\u304d\u308b\u306e\u3067\u3059. \u3042\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5fc5\u8981\u306a\u6700\u5c0f\u9650\u306e\u547d\u4ee4\u30bb\u30c3\u30c8\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u9650\u308a, \u305d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u4e92\u63db\u6027\u306e\u3042\u308b\u30d7\u30ed\u30bb\u30c3\u30b5\u4e0a\u3067\u3082\u52d5\u4f5c\u3057\u307e\u3059.<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a,&nbsp;<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30d7\u30ed\u30bb\u30c3\u30b5<\/strong>\u306e\u6700\u5927\u306e\u969c\u58c1\u306e\u4e00\u3064\u3067\u3042\u308b, \u30d7\u30ed\u30bb\u30c3\u30b5\u5468\u8fba\u306e\u88dc\u52a9\u7684\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u958b\u767a\u306b\u5fc5\u8981\u306a\u52b4\u529b\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059. \u3053\u306e\u3088\u3046\u306b, \u3053\u308c\u307e\u3067DSP\u7b49\u3067\u591a\u7528\u3055\u308c\u3066\u304d\u305f<strong>ASIP<\/strong>\uff08Application Specific Instruction-set Processor\uff09\u306e\u591a\u304f\u306f, \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u74b0\u5883\u304c\u9650\u5b9a\u3055\u308c\u305f\u6df1\uff5e\u3044\u7d44\u307f\u8fbc\u307f\u74b0\u5883\u3067\u4f7f\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f. <strong>\u5171\u901a\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff65\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0<\/strong>\u3092\u6301\u3064\u3068\u3044\u3046\u3053\u3068\u306f, \u304a\u5ba2\u69d8\u304c\u3069\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u3082\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u62e1\u5f35\u6a5f\u80fd\u3092\u81ea\u7531\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057, \u30c7\u30e1\u30ea\u30c3\u30c8\u306a\u304f, \u6539\u5584\u70b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059.<\/p>\n\n\n\n<p>\u300c\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u3068\u3063\u3066\u6700\u9069\u306a\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u306f, \u305d\u306e\u76ee\u7684\u306b\u5408\u308f\u305b\u3066\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308b\u300d\u30d6\u30ed\u30b0\u8a18\u4e8b\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u306a\u3044RISC\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u62e1\u5f35\u3059\u308b\u65b9\u6cd5\u3092\u3054\u89a7\u304f\u3060\u3055\u3044.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-risc-v\u4ed5\u69d8\u306e\u7ba1\u7406\u306f\">RISC-V\u4ed5\u69d8\u306e\u7ba1\u7406\u306f\uff1f<\/h4>\n\n\n\n<p>\u3053\u306e\u4ed5\u69d8\u306f<strong>RISC-V International<\/strong>\u306b\u3088\u3063\u3066\u7dad\u6301\u3055\u308c\u3066\u304a\u308a, \u4f1a\u54e1\u306b\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2, \u30b7\u30b9\u30c6\u30e0, \u534a\u5c0e\u4f53, IP\u306a\u3069\u696d\u754c\u5168\u4f53\u304b\u3089\uff08\u30b3\u30c0\u30b7\u30c3\u30d7\u3092\u542b\u3080\uff09\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059. \u4f1a\u54e1\u4f01\u696d\u306e\u7126\u70b9\u306f, Arm\u793e\u306a\u3069\u306b\u5339\u6575\u3059\u308b, \u3042\u308b\u3044\u306f\u305d\u308c\u3092\u4e0a\u56de\u308b\u3088\u3046\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u3059.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-risc-v\u306e\u672a\u6765\u306f\">RISC-V\u306e\u672a\u6765\u306f\uff1f<\/h4>\n\n\n\n<p>\u6b8b\u5ff5\u306a\u304c\u3089\u79c1\u306f\u5c06\u6765\u304c\u898b\u3048\u308b\u6c34\u6676\u7389\u3092\u6301\u3063\u3066\u3044\u307e\u305b\u3093. \u305f\u3060\u3057\u9577\u5e74\u534a\u5c0e\u4f53\u696d\u754c\u306b\u643a\u308f\u3063\u3066\u304d\u3066\u8a00\u3048\u308b\u3053\u3068\u306f, \u30d7\u30ed\u30bb\u30c3\u30b5IP\u306e\u7af6\u5408\u4ed6\u793e\u3082\u542b\u3081\u3066\u69d8\u3005\u306a\u4f01\u696d\u304c\u3053\u308c\u307b\u3069\u307e\u3067\u306b\u5354\u529b\u3057\u3066, \u65b0\u3057\u3044\u4ed5\u69d8\u306b\u95a2\u5fc3\u3092\u6301\u3061, \u305d\u306e\u5b9f\u73fe\u306b\u5411\u3051\u3066\u52d5\u3044\u3066\u3044\u308b\u306e\u3092\u898b\u305f\u3053\u3068\u304c\u306a\u3044, \u3068\u3044\u3046\u4e8b\u5b9f\u3067\u3059.<\/p>\n\n\n\n<p>RISC-V\u306f\u672a\u6765\u306a\u306e\u304b\uff1f\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\uff65\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5206\u91ce\u304c\u30aa\u30fc\u30d7\u30f3\uff65\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6642\uff08Linux\u3084\u4ed6OSS\u7b49\uff09\u3068\u540c\u3058\u3088\u3046\u306a, \u7206<\/p>\n\n\n\n<p><a href=\"\/jp\/products\/codasip-risc-v-processors\/\">Codasip RISC-V \u30d7\u30ed\u30bb\u30c3\u30b5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u307e\u3055\u306b\u8d77\u304d\u3066\u3044\u308bRISC-V\u9769\u547d\u304c\u534a\u5c0e\u4f53\u696d\u754c\u306e\u30d3\u30b8\u30cd\u30b9\u306e\u3042\u308a\u65b9\u3092\u5909\u3048\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059. \u3057\u304b\u3057, RISC-V\u304c\u6b63\u3057\u304f\u7406\u89e3\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u591a\u3044\u3088\u3046\u3067\u3059. RISC-V\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u306f\u3042\u308a\u307e\u305b\u3093. \u3053\u3053\u3067\u306f\u300cRISC-V\u3068\u306f\u4f55\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u7591\u554f\u3078\u306e\u56de\u7b54\u3068, \u306a\u305c\u30b3\u30c0\u30b7\u30c3\u30d7\u304cRISC-V\u306b\u3053\u3060\u308f\u308b\u306e\u304b, \u305d\u3057\u3066\u3042\u306a\u305f\u3082\u305d\u308c\u3092\u898b\u9003\u3059\u3079\u304d\u3067\u306f\u306a\u3044\u7406\u7531\u3092\u304a\u8a71\u3057\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059. RISC-V\u3068\u306f\uff1f RISC-V\u306f,&nbsp;\u547d\u4ee4\u30bb\u30c3\u30c8\uff65\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff08ISA\uff09\u306e\u30aa\u30fc\u30d7\u30f3\u306a\u4ed5\u69d8\u3067\u3059. \u3064\u307e\u308a, Intel\/AMD\u30d7\u30ed\u30bb\u30c3\u30b5\u306ex86 ISA\u3084\u6700\u65b0Arm\u30d7\u30ed\u30bb\u30c3\u30b5\u306eArmv8 ISA\u3068\u540c\u3058\u3088\u3046\u306b, \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u306e\u5bfe\u8a71\u624b\u6bb5\u3067\u3059. RISC-V\u306e\u30dd\u30b8\u30b7\u30e7\u30f3\u306f, \u7279\u5b9a\u4f01\u696d\u304c\u6a29\u5229\u3092\u6709\u3059\u308b\u305d\u308c\u3089ISA\u3068\u5c11\u3057\u7570\u306a\u308a\u307e\u3059.&nbsp;RISC-V ISA\u306f\u30aa\u30fc\u30d7\u30f3\u306a\u4ed5\u69d8\u306a\u306e\u3067\uff08\u5546\u7528\u3068\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff65\u30e9\u30a4\u30bb\u30f3\u30b9\u306b\u3064\u3044\u3066\u306f, \u5225\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u3067\u8aac\u660e\uff09, \u8ab0\u3067\u3082RISC-V ISA\u3092\u4f7f\u3063\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059. \u3088\u304f\u6b21\u306e2\u3064\u306e\u8cea\u554f\u3092\u3044\u305f\u3060\u304d\u307e\u3059. \u300cRISC-V\u306f\u30d7\u30ed\u30bb\u30c3\u30b5\u306a\u306e\u304b\uff1f\u300d\u300cRISC-V\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u306a\u306e\u304b\uff1f\u300d RISC-V\u306fISA\u306e\u4ed5\u69d8\u3092\u6307\u3057, \u30d7\u30ed\u30bb\u30c3\u30b5\u305d\u306e\u3082\u306e\u3067\u3082\u306a\u304f, \u5b9f\u88c5\u3055\u308c\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3082\u3042\u308a\u307e\u305b\u3093. \u5148\u306e2\u3064\u306e\u8cea\u554f\u306e\u7b54\u3048\u306f\u5171\u306b\u300cNo\u300d\u3067\u3042\u308b\u3053\u3068\u304c\u304a\u5206\u304b\u308a\u3044\u305f\u3060\u3051\u307e\u3057\u305f\u3067\u3057\u3087\u3046\u304b. RISC-V VS. ARM OR INTEL\/AMD? \u304a\u5ba2\u69d8\u306b\u88fd\u54c1\u3092\u4f9b\u7d66\u3059\u308b\u30d9\u30f3\u30c0\u306b\u3068\u3063\u3066\u306f, \u56f2\u3044\u8fbc\u307f\u306e\u6210\u529f\u306f\u559c\u3070\u3057\u3044\u3053\u3068\u3067\u3059. \u306a\u305c\u306a\u3089\u30d9\u30f3\u30c0\u304c\u4e00\u5ea6\u56f2\u3044\u8fbc\u307f\u3057\u305f\u304a\u5ba2\u69d8\u306f, \u305d\u306e\u5f8c\u7af6\u5408\u4ed6\u793e\u88fd\u54c1\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u96e3\u3057\u304f\u306a\u308b\u304b\u3089\u3067\u3059. \u56f2\u3044\u8fbc\u307f\u3092\u6210\u529f\u3055\u305b\u308b\u6700\u826f\u306e\u65b9\u6cd5\u306f\u300c\u53ef\u3082\u306a\u304f\u4e0d\u53ef\u3082\u306a\u3044\u5fc5\u8981\u5341\u5206\u306a\u88fd\u54c1\u300d\u3068, \u300c\u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u300d\u3092\u4f5c\u308a\u4e0a\u3052\u308b\u3053\u3068\u3067\u3059. \u305d\u3046\u3059\u308c\u3070\u4e00\u5ea6\u56f2\u3044\u8fbc\u307e\u308c\u305f\u304a\u5ba2\u69d8\u306f, \u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u5c0e\u5165\u306b\u591a\u304f\u306e\u6295\u8cc7\u3092\u3057\u3066\u3057\u307e\u3044, \u629c\u3051\u51fa\u3059\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u9038\u3057, \u975e\u5e38\u306b\u9577\u3044\u9593\u56f2\u3044\u8fbc\u307f\u3055\u308c\u308b\u7d50\u679c\u3068\u306a\u308a\u307e\u3059. \u7af6\u5408\u3059\u308b\u65b0\u8208\u30d9\u30f3\u30c0\u306f\u6210\u529f\u3059\u308b\u305f\u3081\u306b\u3088\u308a\u826f\u3044\u88fd\u54c1\u3092\u63d0\u4f9b\u3059\u308b\u3060\u3051\u3067\u306a\u304f, \u540c\u7b49\u306e\u30ea\u30c3\u30c1\u306a\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093. \u3057\u304b\u3057, \u304a\u5ba2\u69d8\u304c\u56f2\u3044\u8fbc\u307e\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u65b0\u3057\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u3082\u305f\u3089\u3059\u30e1\u30ea\u30c3\u30c8\u30921\u5bfe1\u3067\u6bd4\u8f03\u3092\u3059\u308b\u3053\u3068\u306f, \u591a\u304f\u306e\u5834\u5408\u96e3\u3057\u3044\u3068\u601d\u308f\u308c\u307e\u3059. \u300cIBM\u3092\u8cb7\u3063\u3066\u3082\u8ab0\u3082\u30af\u30d3\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u6614\u306e\u3053\u3068\u308f\u3056\u306e\u3088\u3046\u306b, \u6700\u8fd1\u3067\u306f\u300cArm\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u3063\u3066\u3082\u8ab0\u3082\u30af\u30d3\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u901a\u8aac\u306b\u306a\u3063\u3066\u3044\u307e\u3059. \u3057\u304b\u3057, \u3053\u308c\u306b\u306f\u8ca0\u306e\u5074\u9762\u3082\u3042\u308a\u307e\u3059. \u3082\u3057, \u4f01\u696d\u304c\u56fa\u6709\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u751f\u304b\u3057\u305f\u5dee\u5225\u5316\u30d3\u30b8\u30cd\u30b9\u3092\u6210\u3057\u9042\u3052\u3089\u308c\u306a\u3051\u308c\u3070, \u9032\u5316\u306f\u505c\u6ede\u3057\u3066\u884c\u304d\u307e\u3059. \u305d\u3057\u3066\u4f01\u696d\u306f\u304a\u5ba2\u69d8\u3092\u6e80\u8db3\u3055\u305b\u308b\u5fc5\u8981\u5341\u5206\u3060\u3051\u306e\u6295\u8cc7\u3057\u304b\u3057\u306a\u304f\u306a\u308a, \u8870\u9000\u3057\u3066\u884c\u304d\u307e\u3059. 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