{"id":491,"date":"2025-01-23T12:00:43","date_gmt":"2025-01-23T09:00:43","guid":{"rendered":"http:\/\/ammm.math.aegean.gr\/?page_id=491"},"modified":"2025-01-24T11:39:48","modified_gmt":"2025-01-24T08:39:48","slug":"%ce%b5%ce%be%ce%bf%cf%80%ce%bb%ce%b9%cf%83%ce%bc%cf%8c%cf%82-%ce%b5%cf%81%ce%b3%ce%b1%cf%83%cf%84%ce%b7%cf%81%ce%af%ce%bf%cf%85","status":"publish","type":"page","link":"http:\/\/ammm.math.aegean.gr\/?page_id=491&lang=el","title":{"rendered":"\u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03af\u03bf\u03c5"},"content":{"rendered":"\n<h3 class=\"wp-block-heading contactParTitle\">\u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03af\u03bf\u03c5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Pythagoras Cluster<\/strong><\/h4>\n\n\n\n<p>\u03a4\u03bf \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03c9\u03bd \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u039c\u03bf\u03bd\u03c4\u03b5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd Pythagoras.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\" style=\"grid-template-columns:29% auto\"><figure class=\"wp-block-media-text__media\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"830\" src=\"http:\/\/www.ammm.local\/wp-content\/uploads\/2020\/05\/Pythagoras1-1024x830.png\" alt=\"\" class=\"wp-image-377 size-full\" srcset=\"http:\/\/ammm.math.aegean.gr\/wp-content\/uploads\/2020\/05\/Pythagoras1-1024x830.png 1024w, http:\/\/ammm.math.aegean.gr\/wp-content\/uploads\/2020\/05\/Pythagoras1-300x243.png 300w, http:\/\/ammm.math.aegean.gr\/wp-content\/uploads\/2020\/05\/Pythagoras1-768x622.png 768w, http:\/\/ammm.math.aegean.gr\/wp-content\/uploads\/2020\/05\/Pythagoras1-1536x1245.png 1536w, http:\/\/ammm.math.aegean.gr\/wp-content\/uploads\/2020\/05\/Pythagoras1.png 1792w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>\u0397 \u03c3\u03c5\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 8 \u03ba\u03cc\u03bc\u03b2\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd (blade servers) \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd 312 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u03c0\u03c5\u03c1\u03ae\u03bd\u03c9\u03bd (156 \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03af \u03c0\u03c5\u03c1\u03ae\u03bd\u03b5\u03c2 \/ 16 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ad\u03c2) \u03bc\u03b5 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03bc\u03bd\u03ae\u03bc\u03b7 432GB \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1\u03bd \u03ba\u03cc\u03bc\u03b2\u03bf 24 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u03c0\u03c5\u03c1\u03ae\u03bd\u03c9\u03bd (12 \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03af \u03c0\u03c5\u03c1\u03ae\u03bd\u03b5\u03c2 \/ 2 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ad\u03c2) \u03ba\u03b1\u03b9 48GB ram \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03cc\u03bc\u03b2\u03c9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd (front-end \u03ba\u03cc\u03bc\u03b2\u03bf\u03c2). \u039a\u03ac\u03b8\u03b5 \u03ba\u03cc\u03bc\u03b2\u03bf\u03c2 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03b5\u03cd\u03bf\u03c5\u03c3\u03b1 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2, \u03b5\u03bd\u03ce \u03cc\u03bb\u03bf\u03b9 \u03bf\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03bf\u03af \u03ba\u03cc\u03bc\u03b2\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03bf front-end \u03ba\u03cc\u03bc\u03b2\u03bf\u03c2 \u03bc\u03bf\u03b9\u03c1\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd 1.5TB \u03bc\u03ad\u03c3\u03c9 (NFS). \u03a3\u03c4\u03bf \u03b5\u03b3\u03b3\u03cd\u03c2 \u03bc\u03ad\u03bb\u03bb\u03bf\u03bd (\u03c4\u03bf 2019), \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd \u03b8\u03b1 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03b8\u03b5\u03af \u03c3\u03b5 6TB. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03b8\u03b5\u03af \u03bc\u03ad\u03c7\u03c1\u03b9 30TB \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c7\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7 \u03c3\u03c5\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03b1. \u038c\u03bb\u03bf\u03b9 \u03bf\u03b9 \u03ba\u03cc\u03bc\u03b2\u03bf\u03b9 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03b4\u03cd\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ce\u03bd \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 1Gb (\u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf) \u03ba\u03b1\u03b9 10GB (\u03b9\u03b4\u03b9\u03c9\u03c4\u03b9\u03ba\u03cc \u03b4\u03af\u03ba\u03c4\u03c5\u03bf).<\/p>\n<\/div><\/div>\n\n\n\n<p>\u03a4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03c4\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03bf\u03c5 Pythagoras \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 Rocks Cluster Distribution (\u03ad\u03ba\u03b4\u03bf\u03c3\u03b7 Sidewider) \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae CentOS Linux (6.9). \u03a4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b4\u03c1\u03bf\u03bc\u03bf\u03bb\u03bf\u03b3\u03b7\u03c4\u03ad\u03c2 Condor \u03ba\u03b1\u03b9 SGE, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03bf\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03c4\u03bf \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03bc\u03b5\u03c3\u03b1\u03af\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 Rocks Cluster. \u03a4\u03bf HPC \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03bc\u03b5 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 (\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2, \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03ac\u03bb\u03b3\u03b5\u03b2\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1, \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ae\u03c2 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1\u03c2 \u03ba\u03bb\u03c0.).<\/p>\n\n\n\n<p>\u039f\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b5\u03c2 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd (Fortran, C \/ C ++, Java, R \u03ba\u03b1\u03b9 Python), \u03c4\u03bf openMP, \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd MPI \u03ba\u03b1\u03b9 Map\/Reduce (Hadoop) \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9. \u03a4\u03bf 2020 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b5\u03bc\u03b7\u03bc\u03ad\u03bd\u03b7\u03c2 \u03ad\u03ba\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 MATLAB (MATLAB DCS) \u03b3\u03b9\u03b1 8 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03cc\u03bc\u03b2\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03c4\u03b1 toolboxes \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf\u03c5\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p><a href=\"http:\/\/www.samos.aegean.gr\/hpcwiki\/tiki-index.php\" target=\"_blank\" rel=\"noreferrer noopener\">Pythagoras wiki pages<\/a> (Beta version)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0395\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 Pythagoras Cluster \u03a4\u03bf \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03c9\u03bd \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u039c\u03bf\u03bd\u03c4\u03b5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ce\u03bd Pythagoras. \u0397 \u03c3\u03c5\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 8 \u03ba\u03cc\u03bc\u03b2\u03bf\u03c5\u03c2&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-491","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=\/wp\/v2\/pages\/491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=491"}],"version-history":[{"count":3,"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=\/wp\/v2\/pages\/491\/revisions"}],"predecessor-version":[{"id":536,"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=\/wp\/v2\/pages\/491\/revisions\/536"}],"wp:attachment":[{"href":"http:\/\/ammm.math.aegean.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}