{"id":118,"date":"2003-12-16T20:36:40","date_gmt":"2003-12-16T11:36:40","guid":{"rendered":"http:\/\/na-inet.jp\/new-na-inet\/weblog\/2003\/12\/1216\/"},"modified":"2003-12-16T20:36:40","modified_gmt":"2003-12-16T11:36:40","slug":"1216","status":"publish","type":"post","link":"https:\/\/na-inet.jp\/weblog2\/2003\/12\/16\/1216\/","title":{"rendered":"12\/16(\u706b) \u639b\u5ddd\u30fb\u6674"},"content":{"rendered":"<p>\u3000\u6bce\u5ea6\u306e\u3053\u3068\u306a\u304c\u3089\uff0c\u4e88\u7b97\u3060\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3060\u306e\u306e\u8a71\u3057\u5408\u3044\u306f\u9762\u5012\u306a\u3053\u3068\u3053\u306e\u4e0a\u306a\u3044\u3002\u7d50\u5c40\uff0c\u6b21\u5e74\u5ea6\u4ee5\u964d\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u306e\u8b1b\u7fa9\u304b\u3089\u306f\u5168\u9762\u64a4\u9000\u3068\u306a\u308b\u3002\u65e7\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306e\u4e00\u8b1b\u7fa9\u304c\u6b8b\u308b\u304c\uff0c\u3053\u308c\u3082\u6b21\u56de\u9650\u308a\u3067\u3042\u308b\u3002\u5b9f\u9a13\u8b1b\u5ea7\u3082\u6570\u5024\u8a08\u7b97\u304c\u3089\u307f\u306e\u3082\u306e\u306b\u518d\u7de8\u6210\u3057\uff0c\u304d\u308c\u3044\u3055\u3063\u3071\u308a\u3002<br \/>\n\u3000\u305d\u308c\u306f\u3044\u3044\u306e\u3060\u3051\u308c\u3069\uff0c\u5177\u4f53\u7684\u306b\u4f55\u3092\u3059\u308b\u304b\u306f\u5168\u304f\u306e\u672a\u5b9a\u3067\u3042\u308b\u3002\u3044\u304f\u3089\u4f55\u3067\u3082\u30b4\u30ea\u30b4\u30ea\u306e\u6570\u5024\u8a08\u7b97\u306f\u7121\u7406\u306a\u306e\u3067\uff0c\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u3084\u3089Pthread\u3084\u3089\u3068\u95a2\u9023\u3065\u3051\u305f\u5fdc\u7528\u6307\u5411\u306e\u5185\u5bb9\u306b\u306a\u308b\u3060\u308d\u3046\u306a\u3002\u307e\u305f\u30c6\u30ad\u30b9\u30c8\u3092\u66f8\u304d\u4e0b\u308d\u3055\u306a\u3044\u3068\u30fb\u30fb\u30fb\u9762\u5012\u3060\u304c\u697d\u3057\u307f\u3067\u3082\u3042\u308b\u3002\u5b9a\u756a\u306eMandelbrot\u3084\u3089Julia\u3084\u3089\u3092\u63cf\u3044\u3066\uff0c\u306a\u308b\u3079\u304f\u306a\u3089OpenGL\u3068\u3082\u304b\u3089\u3081\u3066\u30fb\u30fb\u30fb\u306a\u3093\u3066\uff0c\u8003\u3048\u308b\u3060\u3051\u306a\u3089\u7c21\u5358\u306a\u3093\u3060\u304c\u306a\u3041\u3002\u307e\uff0c\u3053\u308c\u304b\u3089\u306f\u696d\u7e3e\u306b\u3082\u306a\u3089\u306a\u3044\u4ed5\u4e8b\u306f\u5f15\u304d\u53d7\u3051\u306a\u3044\u3053\u3068\u306b\u3057\u3088\u3063\u3068\u3002<br \/>\n\u3000\u3064\u3089\u3064\u3089\u3068\uff0c<a href=\"http:\/\/www.microsoft.com\/windows2000\/hpc\/toolkit.asp\">M$\u306eHPC Toolkit<\/a>\u306a\u308b\u3082\u306e\u3092\u773a\u3081\u3066\u307f\u308b\u3068\uff0c\u3048\u3089\u3044\u8c6a\u83ef\u30d0\u30fc\u30b8\u30e7\u30f3\u306a\u306e\u306f\u9a5a\u304f\u3002\u6700\u3082Evaluation\u304c\u6b86\u3069\u3067\uff0c\u77ed\u671f\u9593\u3057\u304b\u4f7f\u7528\u3067\u304d\u305d\u3046\u3082\u306a\u3044\u3068\u3053\u308d\u304c\u307f\u307f\u3063\u3061\u3044\u3002\u9001\u6599\u3060\u3051\u3067\u5165\u624b\u304c\u51fa\u6765\u308b\u3068\u306e\u3053\u3068\u306a\u306e\u3067\uff0c\u65e9\u901f\u6ce8\u6587\u3059\u308b\u3002\u6b63\u6708\u660e\u3051\u306b\u306f\u5c4a\u304f\u304b\u306a\uff1f<br \/>\n\u3000\u524d\u3005\u304b\u3089\u6c17\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3067\uff0c<a href=\"http:\/\/crd.lbl.gov\/~dhbailey\/mpdist\/\">ARPREC<\/a>\u3068<a href=\"http:\/\/www.mpfr.org\/\">MPFR<\/a>\u306e\u56db\u5247\u6f14\u7b97\u901f\u5ea6\u3092\u6bd4\u8f03\u3057\u3066\u307f\u305f\u3002\u3053\u306e\uff12\u8005\u306f\u5b9f\u88c5\u65b9\u91dd\u304c\u307e\u308b\u3067\u9055\u3063\u3066\u3044\u3066\uff0c\u524d\u8005\u306e\u591a\u500d\u9577\u6d6e\u52d5\u5c0f\u6570\u70b9\u306fIEEE754\u6d6e\u52d5\u5c0f\u6570\u70b9\u3092\u3064\u306a\u304e\u5408\u308f\u305b\u3066\u5b9f\u88c5\u3057\u3066\u3044\u308b\u306e\u306b\u5bfe\u3057\uff0c\u5f8c\u8005\u306f\u6574\u6570\u6f14\u7b97\u3092\u30d9\u30fc\u30b9\u306b\u4e0b\u304b\u3089\u7a4d\u307f\u4e0a\u3052\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002\u3069\u30fc\u3082\uff0c\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306b\u9650\u3063\u3066\u306f\uff0c\u524d\u8005\u306e\u65b9\u304c\u9ad8\u901f\u3067\u306f\u306a\u3044\u304b\u3068\u611f\u3058\u3066\u3044\u305f\u306e\u3067\uff0c\u3061\u307f\u3063\u3068\u7c21\u5358\u306a\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3067\u3063\u3061\u4e0a\u3052\u3066\u307f\u305f\u3002\u74b0\u5883\u306f\u6b21\u306e\u901a\u308a\u3002<br \/>\n\u30b3\u30f3\u30d1\u30a4\u30eb\u6761\u4ef6\uff1aGCC, G++ 3.2.2, \u30aa\u30d7\u30b7\u30e7\u30f3\uff1a -O3 -funroll-all-loops<br \/>\n\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\uff1a Intel Pentium III 800MHz,OS: RedHat9<br \/>\n\u3000\u30b7\u30e7\u30dc\u304f\u3066\u3059\u307e\u3093\u3002\u3093\u3067\uff0c\u7d50\u679c\u306f\u6b21\u306e\u901a\u308a\u3002<br \/>\n1024 bits(308 decimal digits)\u306e\u5834\u5408(\u5358\u4f4d\u306fMFLOPS)<br \/>\n\u3000ADD\u30003.333333e-01(ARPREC), 1.58025e+00(MPFR)<br \/>\n\u3000MUL\u30002.222222e-01(ARPREC), 1.04235e-01(MPFR)<br \/>\n\u3000DIV\u30007.207207e-02(ARPREC), 6.99597e-02(MPFR)<br \/>\n2048 bits(616 decimal digits)\u306e\u5834\u5408(\u5358\u4f4d\u306fMFLOPS)<br \/>\n\u3000ADD\u30003.478261e-01(ARPREC), 1.03226e+00(MPFR)<br \/>\n\u3000MUL\u30002.222222e-01(ARPREC), 3.40426e-02(MPFR)<br \/>\n\u3000DIV\u30004.266667e-02(ARPREC), 2.25989e-02(MPFR)<br \/>\n4096 bits(1233 decimal digits)\u306e\u5834\u5408(\u5358\u4f4d\u306fMFLOPS)<br \/>\n\u3000ADD\u30003.478261e-01(ARPREC), 7.03297e-01(MPFR)<br \/>\n\u3000MUL\u30002.162162e-01(ARPREC), 1.11732e-02(MPFR)<br \/>\n\u3000DIV\u30002.308802e-02(ARPREC), 6.86695e-03(MPFR)<br \/>\n8192 bits(2466 decimal digits)\u306e\u5834\u5408(\u5358\u4f4d\u306fMFLOPS)<br \/>\n\u3000ADD\u30001.403509e-01(ARPREC), 4.26667e-01(MPFR)<br \/>\n\u3000MUL\u30001.066667e-01(ARPREC), 3.70199e-03(MPFR)<br \/>\n\u3000DIV\u30001.218583e-02(ARPREC), 2.11640e-03(MPFR)<br \/>\n\u3000\u3046\u30fc\u3093\uff0c\u78ba\u304b\u306b\u6841\u6570\u304c\u5897\u3048\u308b\u3068\uff0cARPREC\u306e\u65b9\u304c\uff0c\u7279\u306bMUL,DIV\u3067\u9ad8\u901f\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u3057\u304b\u3057\uff0c1024bits(308\u3000dec.digits)\u3067\u306f\u5371\u60e7\u3057\u3066\u3044\u305f\u307b\u3069\u5dee\u306f\u51fa\u3066\u3044\u306a\u304b\u3063\u305f\u30028192bits(2466 dec.digits)\u304c\u300c\u5b9f\u7528\u7684\u300d\u306a\u6841\u6570\u304b\u3069\u3046\u304b\u306f\u8b70\u8ad6\u306e\u5206\u304b\u308c\u308b\u3068\u3053\u308d\u3060\u308d\u3046\u304c\uff0c\u304a\u304a\u3080\u306d\uff0c\u300c\u3093\u306a\u306b\u8a08\u7b97\u3057\u3066\u3069\u306a\u3044\u3059\u3093\u306d\u3093\u300d\u30ec\u30d9\u30eb\u3068\u898b\u3066\u3044\u3044\u3060\u308d\u3046\u3002\u3064\u30fc\u3053\u3068\u3067\uff0cPi\u3084e\u306e\u4e16\u754c\u8a18\u9332\u3092\u72d9\u3044\u305f\u3044\u3068\u3044\u3046\u5411\u304d\u306fARPREC\u3092\u4f7f\u3048\u3070\u3088\u308d\u3057\u3044\u3002\u95a2\u6570\u6a5f\u80fd\u3082\u8c4a\u5bcc\u306a\u306e\u3067\u304a\u52e7\u3081\u3059\u308b\u3002<br \/>\n\u3000\u3067\uff0c\u308f\u3057\u306f\u3068\u8a00\u3048\u3070\uff0c\u4eca\u306e\u3068\u3053\u308dGMP+MPFR\u304b\u3089\u4e57\u308a\u63db\u3048\u308b\u3064\u3082\u308a\u306f\u306a\u3044\u3002\u3082\u3061\u3063\u3068\u539f\u56e0\u3092\u8abf\u3079\u3066\u304b\u3089\u3067\u3082\u9045\u304f\u306f\u306a\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u300264bit addressing\u306b\u306a\u3063\u3066\u3057\u307e\u3048\u3070\u6539\u5584\u3059\u308b\u3082\u306e\u306a\u306e\u304b\u3069\u30fc\u304b\uff0ccache\u306ehit\u7387\u3092\u4e0a\u3052\u308b\u3053\u3068\u3067\u6539\u5584\u3067\u304d\u308b\u3082\u306e\u306a\u306e\u304b\uff0cHT\u3084SMP\u74b0\u5883\u3067Pthread\u4e26\u5217\u5316\u3059\u308c\u3070\u3069\u30fc\u304b\uff0c\u7b49\uff0c\u8abf\u3079\u308b\u3053\u3068\u306f\u3044\u3063\u3071\u3044\u3042\u308b\u3057\u3002ARPREC\u4f7f\u3046\u306a\u3089\uff0cTemplate\u4f7f\u3063\u3066BNCpack++\u3092\u4f5c\u3063\u305f\u65b9\u304c\u3088\u308d\u3057\u304b\u308d\u3046\u3066\u3002<br \/>\n\u3000\u305d\u308c\u3088\u308a\u3082\uff0cARPREC\u306f1024bits\u4ee5\u4e0b\u306e\u6841\u6570\u306b\u3057\u3066\u3082\u3053\u308c\u4ee5\u4e0a\u306e\u901f\u5ea6\u6539\u826f\u304c\u307f\u3089\u308c\u306a\u3044\u306e\u304c\u554f\u984c\u306a\u306e\u3067\u3042\u308b\u3002\u3053\u306e\u5834\u5408\uff0cMPFR\u306e\u65b9\u304c\u305a\u3063\u3068\u9ad8\u901f\u306b\u306a\u308b\u3002\u3053\u308c\u4ee5\u4e0a\u306f\u7814\u7a76\u4e0a\u306e\u3057\u30fb\u307f\u30fb\u3064(\u3068\u3044\u3046\u7a0b\uff0c\u5927\u5c64\u306a\u3082\u306e\u3067\u306f\u306a\u3044\u3051\u3069)\u3002<br \/>\n\u3000<\/p>\n<p><!--more--><br \/>\n\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306b\u3046\u3064\u3064\u3092\u629c\u304b\u3057\u3066\uff0c\u7ffb\u8a33\u306f\uff12\u884c\u306e\u307f\u3002\u65e9\u304f\u3082\u6697\u96f2\u7acb\u3061\u3053\u3081\u308b\u72b6\u6cc1\u306b\u7a81\u5165\u3002\u5927\u4e08\u592b\u304b\uff0c\u5927\u4e08\u592b\u304b\uff1e\u30f2\u30ec<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u6bce\u5ea6\u306e\u3053\u3068\u306a\u304c\u3089\uff0c\u4e88\u7b97\u3060\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3060\u306e\u306e\u8a71\u3057\u5408\u3044\u306f\u9762\u5012\u306a\u3053\u3068\u3053\u306e\u4e0a\u306a\u3044\u3002\u7d50\u5c40\uff0c\u6b21\u5e74\u5ea6\u4ee5\u964d\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u306e\u8b1b\u7fa9\u304b\u3089\u306f\u5168\u9762\u64a4\u9000\u3068\u306a\u308b\u3002\u65e7\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306e\u4e00\u8b1b\u7fa9\u304c\u6b8b\u308b\u304c\uff0c\u3053\u308c\u3082\u6b21\u56de\u9650\u308a\u3067\u3042\u308b\u3002\u5b9f\u9a13\u8b1b\u5ea7\u3082\u6570\u5024\u8a08\u7b97\u304c\u3089\u307f\u306e &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/na-inet.jp\/weblog2\/2003\/12\/16\/1216\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;12\/16(\u706b) \u639b\u5ddd\u30fb\u6674&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[],"class_list":["post-118","post","type-post","status-publish","format-standard","hentry","category-2"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts\/118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/comments?post=118"}],"version-history":[{"count":0,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts\/118\/revisions"}],"wp:attachment":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/media?parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/categories?post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/tags?post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}