{"id":43,"date":"2021-02-19T12:51:14","date_gmt":"2021-02-19T18:51:14","guid":{"rendered":"http:\/\/computing.fnal.gov\/lqcd\/?page_id=43"},"modified":"2021-03-22T15:36:12","modified_gmt":"2021-03-22T20:36:12","slug":"introduction","status":"publish","type":"page","link":"https:\/\/computing.fnal.gov\/lqcd\/","title":{"rendered":""},"content":{"rendered":"\n<p>Fermilab operates large clusters of computers for Lattice Quantum Chromo Dynamics (LQCD), as part of the national computational infrastructure for Lattice QCD established by the Department of Energy Office of Science. Their goal is understanding the strong dynamics of quarks and gluons, which is beyond the reach of the traditional perturbative methods of quantum field theory. A central goal of the collaboration using the computers is the accomplishment of the calculations required to extract from experiment the fundamental parameters of the Standard Model of particle physics.<\/p>\n\n\n\n<div class=\"alignnormal\"><div id=\"metaslider-id-1164\" style=\"width: 100%;\" class=\"ml-slider-3-107-0 metaslider metaslider-flex metaslider-1164 ml-slider has-dots-nav ms-theme-default\" role=\"region\" aria-label=\"Homepage Slideshow\" data-height=\"350\" data-width=\"800\">\n    <div id=\"metaslider_container_1164\">\n        <div id=\"metaslider_1164\">\n            <ul class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-1188 ms-image \" aria-roledescription=\"slide\" data-date=\"2021-03-22 15:32:09\" data-filename=\"08-0338-17D.hr--685x300.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/computing.fnal.gov\/lqcd\/wp-content\/uploads\/2021\/03\/08-0338-17D.hr--685x300.jpg\" height=\"350\" width=\"800\" alt=\"\" class=\"slider-1164 slide-1188 msDefaultImage\" title=\"08-0338-17D.hr-\" \/><div class=\"caption-wrap\"><div class=\"caption\">Paul Mackenzie in front of the Jpsi cluster<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1206 ms-image \" aria-roledescription=\"slide\" data-date=\"2021-03-22 15:32:09\" data-filename=\"ACPMAPS-parallel-computer-685x300.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/computing.fnal.gov\/lqcd\/wp-content\/uploads\/2021\/03\/ACPMAPS-parallel-computer-685x300.jpg\" height=\"350\" width=\"800\" alt=\"\" class=\"slider-1164 slide-1206 msDefaultImage\" title=\"ACPMAPS-parallel-computer\" \/><div class=\"caption-wrap\"><div class=\"caption\">Paul Mackenzie (left) talks to physicist Aida El-Khadra (right) in front of the ACPMAPS parallel computer.<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1194 ms-image \" aria-roledescription=\"slide\" data-date=\"2021-03-22 15:32:09\" data-filename=\"02-0152-02.hr--685x300.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/computing.fnal.gov\/lqcd\/wp-content\/uploads\/2021\/03\/02-0152-02.hr--685x300.jpg\" height=\"350\" width=\"800\" alt=\"\" class=\"slider-1164 slide-1194 msDefaultImage\" title=\"02-0152-02.hr-\" \/><div class=\"caption-wrap\"><div class=\"caption\">Don Holmgren (left) and Paul Mackenzie (right) with the 120-node qcd cluster<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1287 ms-image \" aria-roledescription=\"slide\" data-date=\"2021-03-23 14:27:34\" data-filename=\"LQ1-group-photo-e1616527922390-800x350.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/computing.fnal.gov\/lqcd\/wp-content\/uploads\/2021\/03\/LQ1-group-photo-e1616527922390-800x350.jpg\" height=\"350\" width=\"800\" alt=\"\" class=\"slider-1164 slide-1287 msDefaultImage\" title=\"LQ1-group-photo\" \/><div class=\"caption-wrap\"><div class=\"caption\">Scientific Computing Division team members in front of the LQ1 cluster<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1197 ms-image \" aria-roledescription=\"slide\" data-date=\"2021-03-22 15:32:09\" data-filename=\"08-0338-24D.hr--685x300.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/computing.fnal.gov\/lqcd\/wp-content\/uploads\/2021\/03\/08-0338-24D.hr--685x300.jpg\" height=\"350\" width=\"800\" alt=\"\" class=\"slider-1164 slide-1197 msDefaultImage\" title=\"08-0338-24D.hr-\" \/><div class=\"caption-wrap\"><div class=\"caption\">The Jpsi cluster at the Grid Computing Center<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-1200 ms-image \" aria-roledescription=\"slide\" data-date=\"2021-03-22 15:32:09\" data-filename=\"09-0251-04D.hr--685x300.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/computing.fnal.gov\/lqcd\/wp-content\/uploads\/2021\/03\/09-0251-04D.hr--685x300.jpg\" height=\"350\" width=\"800\" alt=\"\" class=\"slider-1164 slide-1200 msDefaultImage\" title=\"09-0251-04D.hr-\" \/><div class=\"caption-wrap\"><div class=\"caption\">The \"first\" LQCD GPU cluster at the Grid Computing Center<\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Fermilab operates large clusters of computers for Lattice Quantum Chromo Dynamics (LQCD), as part of the national computational infrastructure for Lattice QCD established by the Department of Energy Office of Science. Their goal is understanding the strong dynamics of quarks and gluons, which is beyond the reach of the traditional perturbative methods of quantum field&#8230; <a class=\"more-link\" href=\"https:\/\/computing.fnal.gov\/lqcd\/\"> More &#187;<\/a><\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-43","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/pages\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":10,"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/pages\/43\/revisions"}],"predecessor-version":[{"id":1212,"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/pages\/43\/revisions\/1212"}],"wp:attachment":[{"href":"https:\/\/computing.fnal.gov\/lqcd\/wp-json\/wp\/v2\/media?parent=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}