{"id":251,"date":"2004-07-06T23:03:57","date_gmt":"2004-07-06T14:03:57","guid":{"rendered":"http:\/\/na-inet.jp\/new-na-inet\/weblog\/2004\/07\/76\/"},"modified":"2004-07-06T23:03:57","modified_gmt":"2004-07-06T14:03:57","slug":"76","status":"publish","type":"post","link":"https:\/\/na-inet.jp\/weblog2\/2004\/07\/06\/76\/","title":{"rendered":"7\/6(\u706b) \u639b\u5ddd\u30fb\u66c7"},"content":{"rendered":"<p>\u3000\u3046\u30fc\uff0c\u3080\u3057\u3080\u3057\u3069\u3088\u3069\u3088\u3002\u30b7\u30e3\u30c4\u3082\u3079\u3068\u3079\u3068\u3002\u3084\u30fc\u306d\u30fc\u5168\u304f\u3002<br \/>\n\u3000<a href=\"http:\/\/hw001.gate01.com\/jun-i\/\">\u3044\u3057\u304b\u308f\u3058\u3085\u3093\u3055\u3093<\/a>\u306e\u30da\u30fc\u30b8\u3067\uff0c\u300c<a href=\"http:\/\/www.henshukaigi.com\/\">\u7de8\u96c6\u4f1a\u8b70<\/a>\u300d\u306e\u82b1\u7530\u7de8\u96c6\u9577\u304c\u9000\u4efb\u3059\u308b\u3068\u3044\u3046\u30cb\u30e5\u30fc\u30b9\u3092\u8aad\u3080\u3002\u3067\uff0c\u6700\u65b0\u53f7\u3092\u672c\u65e5\u8aad\u3093\u3067\u307f\u305f\u3089\u9000\u4efb\u306e\u6328\u62f6\u304c\u3002\u65e9\u901f\uff0c\u5b9a\u671f\u8cfc\u8aad\u3092\u53d6\u308a\u6d88\u3059\u3053\u3068\u306b\u3059\u308b\u30022001\u5e744\u6708\u53f7\u304b\u30894\u5e74\u76ee\uff0c\u3088\u304f\u9811\u5f35\u3063\u305f\u3068\u8a00\u3046\u3079\u304d\u304b\u3002\u304a\u75b2\u308c\u3055\u307e\u3067\u3059\u3002<br \/>\n\u3000<a href=\"http:\/\/www.information-iii.org\/info\/index.html\">Information<\/a>\u8a8c\u306b\u8ad6\u6587\u63b2\u8f09\u3002\u3064\u3063\u3066\u3082\uff0c\u76ee\u6b21\u3057\u304b\u5206\u304b\u308a\u307e\u305b\u3093\u304c\u306a\u3002\u67fb\u8aad\u304c(\u4ee5\u4e0b\u691c\u95b2\u524a\u9664)\u3002\u6295\u7a3f\u8ad6\u6587\u6570\u304c\u5897\u3048\u305f\u305b\u3044\u304b\uff0c\u4eca\u5e74\u304b\u3089\u306f\u9694\u6708\u8a8c\u306b\u306a\u3063\u305f\u3088\u3046\u3060\u3002\u3088\u304d\u304b\u306a\u3002<br \/>\n\u3000\u5352\u7814\u751f\u304c<a href=\"http:\/\/www.scl.ameslab.gov\/netpipe\/\">NetPIPE<\/a>\u3092\u4f7f\u3063\u3066\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u884c\u3063\u305f\u7d50\u679c\u3092\u6301\u3063\u3066\u304d\u305f\u306e\u3067\uff0c\u6bd4\u8f03\u5bfe\u7167\u7528\u306b\u3068cs-pccluster2\u306b\u3066GbE\u3068100BASE\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u305d\u308c\u305e\u308c\u8a66\u3057\u3066\u307f\u308b\u3002\u30fb\u30fb\u30fb\u3046\u30fc\u3080\uff0c100BASE\u306fTCP\u3082MPI\u3082\u3055\u3057\u305f\u308boverhead\u306a\u3057\u3067\u7d0490Mbps\u306f\u51fa\u308b\u306e\u306b\uff0cGbE\u3068\u6765\u305f\u3089\uff0cTCP\u304c400Mbps, MPI\u304c250Mbps\u3050\u3089\u3044\u307e\u3067\u3057\u304b\u51fa\u306a\u3044\u3002\u78ba\u304b\u306bMPI\u306eoverhead\u306f\u30d2\u30c9\u30a4\u3068\u3044\u3046\u8a71\u306f\u524d\u304b\u3089\u3042\u3063\u3066\uff0c\u4f8b\u3048\u3070<a href=\"http:\/\/www.scl.ameslab.gov\/Publications\/Halstead\/usenix_halstead.pdf\">\u3053\u306e\u30ec\u30dd\u30fc\u30c8<\/a>(PDF)\u306b\u3088\u308c\u3070\uff0c\u6298\u89d2Jumbo Frame\u5316\u3057\u3066\u3082\uff0cMPI\u3067\u306foverhead\u306e\u305b\u3044\u3067MTUdefault\u5024\u306e\u6642\u3068\u6b86\u3069\u5909\u308f\u3089\u306a\u3044\u6027\u80fd\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u3002\u305d\u308c\u306a\u3089\u305d\u308c\u3067\uff0c\u300cMPI\u306f\u3084\u3081\u3066\u751f\u306esocket\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u305e\u300d\u3068\u3044\u3046<a href=\"http:\/\/grape.astron.s.u-tokyo.ac.jp\/~makino\/softwares\/tcplib\/tcplib.html\">tcplib<\/a>\u306a\u3093\u3066\u306e\u3082\u3042\u308b\u3002\u306b\u3057\u3066\u3082\u306d\uff0cJumbo frame\u672a\u5bfe\u5fdc\u306eGbE SW\u3092\u4f7f\u3063\u3066\u3044\u308b\u305b\u3044\u3082\u3042\u308d\u3046\u304c\uff0c\u3061\u3087\u3063\u3068MPI\u304c\u9177\u3059\u304e\u308b\u3002\u3082\u3061\u3063\u3068\u30d9\u30f3\u30c1\u3092\u3068\u3063\u3066\u307f\u3093\u3079\u304b\u3002<br \/>\n\u3000\u3061\u306a\u307f\u306b\uff0c\u5352\u7814\u751f\u3055\u3093\u304c\u9811\u5f35\u3063\u3066\u304f\u308c\u305f\u304a\u304b\u3052\u3067\uff0cRealtek, Broadcom, Intel \u306eGbE\u30c1\u30c3\u30d7\u306e\u6027\u80fd\u8a55\u4fa1\u3082\u30ad\u30c1\u30f3\u3068\u51fa\u305f\u3002\u7d50\u679c\u306f\u4e88\u60f3\u901a\u308a\u3068\u3044\u3046\u304b\uff0c\u5024\u6bb5\u306e\u901a\u308a\u3068\u3044\u3046\u304b\u30fb\u30fb\u30fb\u3053\u3046\u307e\u3067\u30cf\u30c3\u30ad\u30ea\u3068\u51fa\u308b\u3068\u306f\u306d\u3047\u3002\u9ad8\u3044\u30e2\u30f3\u306f\u826f\u304f\u3067\u304d\u3066\u3044\u308b\u305e\u3088\u3002<br \/>\n\u3000SIAM\u306b\u6ce8\u6587\u3057\u3066\u3044\u305f<a href=\"http:\/\/www.mathworks.com\/moler\/\">Moler<\/a>\u306e&#8221;<a href=\"http:\/\/www.amazon.co.jp\/exec\/obidos\/ASIN\/0898715601\/pasnet-22\">Numerical computing with MATLAB<\/a>&#8220;\u306e\u65b0\u7248\u304c\u5c4a\u304f(PDF\u306f<a href=\"http:\/\/www.mathworks.com\/moler\/chapters.html\">\u3053\u3061\u3089<\/a>\u306b\u3042\u308b)\u3002PageRank\u306e\u8aac\u660e\u306a\u3093\u304b\u3082\u3042\u3063\u3066\uff0c\u65b0\u3057\u3044\u8a71\u984c\u3092\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u3082\u6020\u3063\u3066\u3044\u306a\u3044\u4e00\u65b9\uff0c\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u89e3\u8aac\u3082\u3057\u3063\u304b\u308a\u3042\u3063\u3066\uff0c\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u826f\u3044\u30c6\u30ad\u30b9\u30c8\u3067\u3042\u308b\u3002\u3053\u308c\u3067MATLAB\u304c\u5b89\u4fa1\u3067\u3042\u308c\u3070\u8a00\u3046\u3053\u3068\u306a\u3057\u306a\u306e\u3060\u304c\u3002<br \/>\n\u3000\u5bdd\u307e\u3059(\u4e45\u3005\u3060\u306a)\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u3046\u30fc\uff0c\u3080\u3057\u3080\u3057\u3069\u3088\u3069\u3088\u3002\u30b7\u30e3\u30c4\u3082\u3079\u3068\u3079\u3068\u3002\u3084\u30fc\u306d\u30fc\u5168\u304f\u3002 \u3000\u3044\u3057\u304b\u308f\u3058\u3085\u3093\u3055\u3093\u306e\u30da\u30fc\u30b8\u3067\uff0c\u300c\u7de8\u96c6\u4f1a\u8b70\u300d\u306e\u82b1\u7530\u7de8\u96c6\u9577\u304c\u9000\u4efb\u3059\u308b\u3068\u3044\u3046\u30cb\u30e5\u30fc\u30b9\u3092\u8aad\u3080\u3002\u3067\uff0c\u6700\u65b0\u53f7\u3092\u672c\u65e5\u8aad\u3093\u3067\u307f\u305f\u3089\u9000\u4efb\u306e\u6328\u62f6\u304c\u3002\u65e9\u901f\uff0c\u5b9a\u671f\u8cfc\u8aad\u3092\u53d6\u308a\u6d88\u3059\u3053\u3068\u306b &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/na-inet.jp\/weblog2\/2004\/07\/06\/76\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;7\/6(\u706b) \u639b\u5ddd\u30fb\u66c7&#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-251","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\/251","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=251"}],"version-history":[{"count":0,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts\/251\/revisions"}],"wp:attachment":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/media?parent=251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/categories?post=251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/tags?post=251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}