{"id":7084,"date":"2025-01-15T16:52:45","date_gmt":"2025-01-15T16:52:45","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=7084"},"modified":"2025-01-15T16:52:45","modified_gmt":"2025-01-15T16:52:45","slug":"exploring-the-unique-history-of-desktop-math-coprocessors","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/exploring-the-unique-history-of-desktop-math-coprocessors\/","title":{"rendered":"\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30e6\u30cb\u30fc\u30af\u306a\u6b74\u53f2\u3092\u63a2\u308b"},"content":{"rendered":"<h3>\u307e\u3068\u3081<\/h3>\n<ul>\n<li>\u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u3001\u6570\u5b66\u8a08\u7b97\u5c02\u7528\u306e\u7279\u6b8a\u306a\u30c1\u30c3\u30d7\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067 CPU \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002<\/li>\n<li>Intel 8087 \u306e\u3088\u3046\u306a\u9769\u65b0\u7684\u306a\u30e2\u30c7\u30eb\u306b\u3088\u308a\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u3001\u4ee5\u524d\u306f\u5927\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u3057\u304b\u5b9f\u884c\u3067\u304d\u306a\u304b\u3063\u305f\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li>Cyrix \u306a\u3069\u306e\u4f01\u696d\u304c\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u5206\u91ce\u3067\u5f37\u529b\u306a\u7af6\u4e89\u76f8\u624b\u3068\u3057\u3066\u767b\u5834\u3057\u3001Intel \u306e\u512a\u4f4d\u6027\u306b\u6311\u6226\u3057\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<p>\u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u306f\u3001CPU \u3068 GPU \u304c\u3042\u3089\u3086\u308b\u6570\u5b66\u6f14\u7b97\u3092\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u5de7\u307f\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u521d\u671f\u306e\u9803\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u547c\u3070\u308c\u308b\u8ffd\u52a0\u306e\u30c1\u30c3\u30d7\u3092\u7d44\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"what-is-a-math-coprocessor\">\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u306f\u6b63\u78ba\u306b\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p>\u4e00\u822c\u7684\u306b FPU (\u6d6e\u52d5\u5c0f\u6570\u70b9\u30e6\u30cb\u30c3\u30c8) \u3068\u547c\u3070\u308c\u308b\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u3001\u88dc\u5b8c\u3059\u308b CPU \u306e\u6570\u5024\u8a08\u7b97\u306e\u52b9\u7387\u3068\u7cbe\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u306b\u7279\u5316\u3057\u305f\u30de\u30a4\u30af\u30ed\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001Intel 80387SX \u306f 80386SX CPU \u306e\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<p>80386SX \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u8cfc\u5165\u3057\u3001\u305d\u306e\u5f8c\u9ad8\u5ea6\u306a\u6570\u5b66\u8a08\u7b97\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30de\u30b6\u30fc\u30dc\u30fc\u30c9 \u30bd\u30b1\u30c3\u30c8\u306b 80387SX \u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u306e\u901f\u5ea6\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<p>\u300c\u6d6e\u52d5\u5c0f\u6570\u70b9\u300d\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u5c0f\u6570\u5024\u3092\u542b\u3080\u8a08\u7b97\u306b\u95a2\u4fc2\u3057\u3001\u6574\u6570\u306b\u9650\u5b9a\u3055\u308c\u308b\u300c\u6574\u6570\u300d\u8a08\u7b97\u3068\u306f\u5bfe\u7167\u7684\u3067\u3059\u3002\u6d6e\u52d5\u5c0f\u6570\u70b9\u8a08\u7b97\u306f\u7cbe\u5ea6\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308a\u3001\u79d1\u5b66\u3084\u5de5\u5b66\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4eca\u65e5\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u8a08\u7b97\u306f\u3001\u7279\u306b\u30b2\u30fc\u30e0\u306b\u304a\u3044\u3066\u3001\u591a\u6570\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u300c\u30ae\u30ac\u30d5\u30ed\u30c3\u30d7\u30b9\u300d\u3084\u300c\u30c6\u30e9\u30d5\u30ed\u30c3\u30d7\u30b9\u300d\u306a\u3069\u306e\u7528\u8a9e\u3092\u751f\u307f\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u3001\u300cFLOP\u300d\u306f\u300c\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u8a08\u7b97\u3060\u3051\u306b\u9650\u5b9a\u3055\u308c\u305a\u3001\u4fe1\u53f7\u51e6\u7406\u3092\u5bb9\u6613\u306b\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u5165\u51fa\u529b (I\/O) \u30bf\u30b9\u30af\u3082\u51e6\u7406\u3057\u307e\u3059\u3002\u30d7\u30e9\u30a4\u30de\u30ea CPU \u306f\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u7ba1\u7406\u3067\u304d\u307e\u3059\u304c\u3001\u5b9f\u884c\u52b9\u7387\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u304c\u3088\u304f\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"the-birth-of-the-desktop-math-coprocessor\">\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u8a95\u751f<\/h2>\n<figure class=\"wp-block-image\"><img alt=\"\u4f5c\u696d\u53f0\u306b\u7f6e\u304b\u308c\u305f IBM PC 5150\" class=\"wp-image\" decoding=\"async\" height=\"417\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/benj_ibm_pc_workbench.webp\" title=\"\u4f5c\u696d\u53f0\u306b\u7f6e\u304b\u308c\u305f IBM PC 5150\" width=\"650\"\/><figcaption><a href=\"http:\/\/www.vintagecomputing.com\">\u30d9\u30f3\u30b8\u30fb\u30a8\u30c9\u30ef\u30fc\u30ba<\/a><\/figcaption><\/figure>\n<p>\u7279\u5b9a\u306e\u6570\u5b66\u95a2\u6570\u306b\u7279\u5316\u3057\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u3044\u3046\u6982\u5ff5\u306f\u3001\u30e1\u30a4\u30f3\u30d5\u30ec\u30fc\u30e0\u3084\u30df\u30cb\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u5206\u91ce\u3067\u306f\u666e\u53ca\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u304c\u5bb6\u5ead\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6ce8\u76ee\u3059\u3079\u304d\u7279\u5fb4\u3068\u306a\u3063\u305f\u306e\u306f\u30011970 \u5e74\u4ee3\u5f8c\u534a\u304b\u3089 1980 \u5e74\u4ee3\u524d\u534a\u306b\u306a\u3063\u3066\u304b\u3089\u306e\u3053\u3068\u3067\u3057\u305f\u3002\u5f53\u6642\u3001\u5bb6\u5ead\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u307e\u3060\u521d\u671f\u6bb5\u968e\u306b\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u4ee3\u8868\u7684\u306a\u521d\u671f\u4f8b\u306f\u3001IBM \u306e\u6700\u521d\u306e\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u642d\u8f09\u3055\u308c\u305f Intel 8086 \u304a\u3088\u3073 8088 \u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u62e1\u5f35\u6a5f\u80fd\u3068\u3057\u3066 1980 \u5e74\u306b\u5c0e\u5165\u3055\u308c\u305f Intel 8087 \u3067\u3059\u3002\u3053\u306e\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001\u30a8\u30f3\u30c8\u30ea\u30fc \u30ec\u30d9\u30eb\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30de\u30b7\u30f3\u3067\u3082\u3001\u4ee5\u524d\u306f\u3088\u308a\u9ad8\u4fa1\u3067\u5927\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u305f\u8981\u6c42\u306e\u53b3\u3057\u3044\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4ed6\u306e\u30e1\u30fc\u30ab\u30fc\u3082\u3059\u3050\u306b\u8ffd\u968f\u3057\u3001\u305f\u3068\u3048\u3070\u30e2\u30c8\u30ed\u30fc\u30e9\u306f\u3001Apple Macintosh \u3084 Amiga \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u521d\u671f\u30e2\u30c7\u30eb\u306b\u642d\u8f09\u3055\u308c\u305f 68000 \u30b7\u30ea\u30fc\u30ba \u30d7\u30ed\u30bb\u30c3\u30b5\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305f 68881 \u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"the-rise-of-third-party-math-coprocessors\">\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u767b\u5834<\/h2>\n<p>\u5bb6\u5ead\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u5229\u7528\u3067\u304d\u308b\u30aa\u30fc\u30d7\u30f3 \u30b3\u30d7\u30ed\u30bb\u30c3\u30b5 \u30bd\u30b1\u30c3\u30c8\u306f\u3001\u4e00\u90e8\u306e\u4f01\u696d\u306b\u3068\u3063\u3066\u898b\u9003\u305b\u306a\u3044\u9b45\u529b\u7684\u306a\u6a5f\u4f1a\u3068\u306a\u308a\u307e\u3057\u305f\u3002Cyrix \u306f\u5148\u99c6\u8005\u306e 1 \u3064\u3067\u3001Cyrix FasMath 83D87 \u304a\u3088\u3073 83S87 \u3092\u767a\u58f2\u3057\u3001Intel \u306e\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5 \u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u5f37\u529b\u306a\u7af6\u5408\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u304c\u3001Cyrix \u304c Intel \u3068\u983b\u7e41\u306b\u5bfe\u7acb\u3059\u308b\u3068\u3044\u3046\u8ad6\u4e89\u306e\u591a\u3044\u6b74\u53f2\u306e\u59cb\u307e\u308a\u3068\u306a\u308a\u3001\u6709\u540d\u306a 6x86MX \u3092\u542b\u3080 CPU \u306e\u751f\u7523\u304c\u7d99\u7d9a\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u30cb\u30c3\u30c1\u306a\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u4ee3\u8868\u7684\u306a\u4f8b\u3068\u3057\u3066\u306f\u3001\u5c02\u7528 GPU \u304c\u767b\u5834\u3059\u308b\u305a\u3063\u3068\u524d\u304b\u3089 3D \u30c7\u30b6\u30a4\u30f3\u7528\u306e Autodesk Renderman \u306a\u3069\u306e\u9ad8\u5ea6\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u305f<a href=\"https:\/\/www.geekdot.com\/weitek-abacus-fpu\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Weitek Abacus FPU\u304c\u3042\u308a\u307e\u3059\u3002<\/a><\/p>\n<p>1990 \u5e74\u4ee3\u5f8c\u534a\u307e\u3067\u306b\u3001\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3 \u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u6642\u4ee3\u306f\u307b\u307c\u7d42\u308f\u308a\u307e\u3057\u305f\u3002\u73fe\u4ee3\u306e CPU \u3068 GPU \u306f\u3001\u7d71\u5408\u30d7\u30ed\u30bb\u30c3\u30b5 \u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u3067\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u3092\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u51e6\u7406\u3057\u307e\u3059\u3002\u4eca\u65e5\u3067\u306f\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u591a\u6570\u306e CPU \u304c\u642d\u8f09\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u79c1\u306e\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u306f 24 \u500b\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u642d\u8f09\u3057\u3066\u304a\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u4f1d\u7d71\u3092\u5f15\u304d\u7d99\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3><strong>1. \u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3044\u3066\u3001\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u3069\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u304b?<\/strong><\/h3>\n<p>\u304b\u3064\u3066\u306f\u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u4e0d\u53ef\u6b20\u3067\u3057\u305f\u304c\u3001\u73fe\u4ee3\u306e CPU \u3068 GPU \u306f\u3001\u5225\u306e\u30c1\u30c3\u30d7\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u8907\u96d1\u306a\u8a08\u7b97\u3092\u52b9\u7387\u7684\u306b\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u6b74\u53f2\u7684\u306a\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u4eca\u65e5\u306e\u7d71\u5408\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u3068\u3063\u3066\u8cb4\u91cd\u306a\u80cc\u666f\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<h3><strong>2. \u73fe\u5728\u3067\u3082\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b?<\/strong><\/h3>\n<p>\u4e00\u822c\u7684\u306b\u3001\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u7279\u5b9a\u306e\u53e4\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6700\u65b0\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3068\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u307b\u3068\u3093\u3069\u306e\u6a5f\u80fd\u306f\u3001\u6700\u65b0\u306e CPU \u3068 GPU \u306b\u7d71\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><strong>3. \u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u30d1\u30fc\u30bd\u30ca\u30eb\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u72b6\u6cc1\u3092\u3069\u306e\u3088\u3046\u306b\u5909\u3048\u307e\u3057\u305f\u304b?<\/strong><\/h3>\n<p>\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u3088\u308a\u3001\u4ee5\u524d\u306f\u3088\u308a\u5f37\u529b\u3067\u9ad8\u4fa1\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u3057\u304b\u5b9f\u884c\u3067\u304d\u306a\u304b\u3063\u305f\u8907\u96d1\u306a\u6570\u5024\u8a08\u7b97\u3092\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u5bb9\u6613\u3055\u306b\u3088\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u6210\u9577\u3057\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30b7\u30b9\u30c6\u30e0\u304c\u4eca\u65e5\u79c1\u305f\u3061\u304c\u983c\u308a\u306b\u3057\u3066\u3044\u308b\u591a\u6a5f\u80fd\u30de\u30b7\u30f3\u3078\u3068\u9032\u5316\u3059\u308b\u3053\u3068\u306b\u8ca2\u732e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/www.howtogeek.com\/the-quirky-history-of-math-coprocessors\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u51fa\u5178\u3068\u753b\u50cf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u307e\u3068\u3081 \u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u3001\u6570\u5b66\u8a08\u7b97\u5c02\u7528\u306e\u7279\u6b8a\u306a\u30c1\u30c3\u30d7\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067 CPU \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u3002 Intel 8087 \u306e\u3088\u3046\u306a\u9769\u65b0\u7684\u306a\u30e2\u30c7\u30eb\u306b\u3088\u308a\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6a5f\u80fd\u304c\u5f37\u5316\u3055\u308c\u3001\u4ee5\u524d\u306f\u5927\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u3057\u304b\u5b9f\u884c\u3067\u304d\u306a\u304b\u3063\u305f\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 Cyrix \u306a\u3069\u306e\u4f01\u696d\u304c\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u5206\u91ce\u3067\u5f37\u529b\u306a\u7af6\u4e89\u76f8\u624b\u3068\u3057\u3066\u767b\u5834\u3057\u3001Intel \u306e\u512a\u4f4d\u6027\u306b\u6311\u6226\u3057\u307e\u3057\u305f\u3002 \u73fe\u4ee3\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u306f\u3001CPU \u3068 GPU \u304c\u3042\u3089\u3086\u308b\u6570\u5b66\u6f14\u7b97\u3092\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u5de7\u307f\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u521d\u671f\u306e\u9803\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u6570\u5b66\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u547c\u3070\u308c\u308b\u8ffd\u52a0\u306e\u30c1\u30c3\u30d7\u3092\u7d44\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3057\u305f\u3002 \u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u306f\u6b63\u78ba\u306b\u306f\u4f55\u3067\u3059\u304b? \u4e00\u822c\u7684\u306b FPU (\u6d6e\u52d5\u5c0f\u6570\u70b9\u30e6\u30cb\u30c3\u30c8) \u3068\u547c\u3070\u308c\u308b\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u3001\u88dc\u5b8c\u3059\u308b CPU \u306e\u6570\u5024\u8a08\u7b97\u306e\u52b9\u7387\u3068\u7cbe\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u306b\u7279\u5316\u3057\u305f\u30de\u30a4\u30af\u30ed\u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001Intel 80387SX \u306f 80386SX CPU \u306e\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002 80386SX \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u8cfc\u5165\u3057\u3001\u305d\u306e\u5f8c\u9ad8\u5ea6\u306a\u6570\u5b66\u8a08\u7b97\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u30de\u30b6\u30fc\u30dc\u30fc\u30c9 \u30bd\u30b1\u30c3\u30c8\u306b 80387SX \u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u306e\u901f\u5ea6\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002 \u300c\u6d6e\u52d5\u5c0f\u6570\u70b9\u300d\u3068\u3044\u3046\u7528\u8a9e\u306f\u3001\u5c0f\u6570\u5024\u3092\u542b\u3080\u8a08\u7b97\u306b\u95a2\u4fc2\u3057\u3001\u6574\u6570\u306b\u9650\u5b9a\u3055\u308c\u308b\u300c\u6574\u6570\u300d\u8a08\u7b97\u3068\u306f\u5bfe\u7167\u7684\u3067\u3059\u3002\u6d6e\u52d5\u5c0f\u6570\u70b9\u8a08\u7b97\u306f\u7cbe\u5ea6\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308a\u3001\u79d1\u5b66\u3084\u5de5\u5b66\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4eca\u65e5\u3001\u6d6e\u52d5\u5c0f\u6570\u70b9\u8a08\u7b97\u306f\u3001\u7279\u306b\u30b2\u30fc\u30e0\u306b\u304a\u3044\u3066\u3001\u591a\u6570\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u300c\u30ae\u30ac\u30d5\u30ed\u30c3\u30d7\u30b9\u300d\u3084\u300c\u30c6\u30e9\u30d5\u30ed\u30c3\u30d7\u30b9\u300d\u306a\u3069\u306e\u7528\u8a9e\u3092\u751f\u307f\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u3001\u300cFLOP\u300d\u306f\u300c\u6d6e\u52d5\u5c0f\u6570\u70b9\u6f14\u7b97\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u8a08\u7b97\u3060\u3051\u306b\u9650\u5b9a\u3055\u308c\u305a\u3001\u4fe1\u53f7\u51e6\u7406\u3092\u5bb9\u6613\u306b\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u5165\u51fa\u529b (I\/O) \u30bf\u30b9\u30af\u3082\u51e6\u7406\u3057\u307e\u3059\u3002\u30d7\u30e9\u30a4\u30de\u30ea CPU \u306f\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u7ba1\u7406\u3067\u304d\u307e\u3059\u304c\u3001\u5b9f\u884c\u52b9\u7387\u304c\u4e0d\u5341\u5206\u306a\u5834\u5408\u304c\u3088\u304f\u3042\u308a\u307e\u3057\u305f\u3002 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u6570\u5024\u6f14\u7b97\u30b3\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u8a95\u751f \u30d9\u30f3\u30b8\u30fb\u30a8\u30c9\u30ef\u30fc\u30ba \u7279\u5b9a\u306e\u6570\u5b66\u95a2\u6570\u306b\u7279\u5316\u3057\u305f\u30d7\u30ed\u30bb\u30c3\u30b5\u3068\u3044\u3046\u6982\u5ff5\u306f\u3001\u30e1\u30a4\u30f3\u30d5\u30ec\u30fc\u30e0\u3084\u30df\u30cb\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u5206\u91ce\u3067\u306f\u666e\u53ca\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u304c\u5bb6\u5ead\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6ce8\u76ee\u3059\u3079\u304d\u7279\u5fb4\u3068\u306a\u3063\u305f\u306e\u306f\u30011970 \u5e74\u4ee3\u5f8c\u534a\u304b\u3089 1980 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