{"id":1743,"date":"2021-10-06T13:13:16","date_gmt":"2021-10-06T11:13:16","guid":{"rendered":"http:\/\/calculs.univ-cotedazur.fr\/?page_id=1743"},"modified":"2021-10-06T13:19:43","modified_gmt":"2021-10-06T11:19:43","slug":"why-use-a-cluster","status":"publish","type":"page","link":"https:\/\/calculs.univ-cotedazur.fr\/?page_id=1743&lang=en","title":{"rendered":"Why use a cluster?"},"content":{"rendered":"\n<p>Many scientific problems cannot be studied on a classic computer:<\/p>\n\n\n\n<ul><li>not enough memory<\/li><li>not enough disk space<\/li><li>not enough computing power<\/li><\/ul>\n\n\n\n<p>It would take years to execute some programs.<\/p>\n\n\n\n<p>A cluster provides high performance hardware, very high throughput and very low latency.<\/p>\n\n\n\n<p>Inside a cluster, computers (also called \u00ab\u00a0nodes\u00a0\u00bb) are connected with each other. Each node consists of several CPU cores. A core execute instructions. A program can run on one core (sequential mode) or several cores (parallel or distributed mode). <\/p>\n\n\n\n<p>Although not every job can be parallelized, a program will run much faster if several tasks can be performed at the same time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many scientific problems cannot be studied on a classic computer: not enough memory not enough disk space not enough computing power It would take years to execute some programs. A cluster provides high performance hardware, very high throughput and very &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":580,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages\/1743"}],"collection":[{"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1743"}],"version-history":[{"count":1,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages\/1743\/revisions"}],"predecessor-version":[{"id":1744,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages\/1743\/revisions\/1744"}],"up":[{"embeddable":true,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages\/580"}],"wp:attachment":[{"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}