{"id":2106,"date":"2022-05-09T11:22:40","date_gmt":"2022-05-09T09:22:40","guid":{"rendered":"http:\/\/calculs.univ-cotedazur.fr\/?page_id=2106"},"modified":"2025-09-03T16:13:35","modified_gmt":"2025-09-03T14:13:35","slug":"which-processor-for-my-job","status":"publish","type":"page","link":"https:\/\/calculs.univ-cotedazur.fr\/?page_id=2106&lang=en","title":{"rendered":"Which processor for my job"},"content":{"rendered":"\n<p>Use one of the following two lines to define the type of processor that will run your job:<\/p>\n\n\n\n<pre class=\"wp-block-verse\">#SBATCH --constraint=intel #Intel Xeon Gold 6248 (2\u00d720 cores - 192 GB RAM)\nor\n#SBATCH --constraint=amd7302 #AMD Epyc 7302 (2\u00d716 cores - 256 GB RAM)  \nor\n#SBATCH --constraint=amd9124 #AMD EPYC 9124 (2\u00d716 cores - 384\u00a0GB RAM) \nor\n#SBATCH --constraint=amd #can be either AMD Epyc 7302 or 9124 or both - to be avoided<\/pre>\n\n\n\n<p><strong>To ensure a minimum of consistency and obtain optimal performance, it is recommended to use only one type of processor per job (i.e. one of the first three lines).<\/strong><\/p>\n\n\n\n<p>If the constraint parameter is not defined and if you do not specify the number of cores per node or socket desired, your job can be sent on any type of processor.<\/p>\n\n\n\n<p>It is recommended to use Intel processors for codes compiled with Intel compilers.<\/p>\n\n\n\n<p>AMD processors have approximately 1.5x more memory bandwidth than Intel.<\/p>\n\n\n\n<p>If your job requires a lot of memory (RAM): machines equipped with AMD processors have more memory (256 GB vs 192 GB for Intel nodes)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Use one of the following two lines to define the type of processor that will run your job: #SBATCH &#8211;constraint=intel #Intel Xeon Gold 6248 (2\u00d720 cores &#8211; 192 GB RAM) or #SBATCH &#8211;constraint=amd7302 #AMD Epyc 7302 (2\u00d716 cores &#8211; 256 &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\/2106"}],"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=2106"}],"version-history":[{"count":3,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages\/2106\/revisions"}],"predecessor-version":[{"id":3114,"href":"https:\/\/calculs.univ-cotedazur.fr\/index.php?rest_route=\/wp\/v2\/pages\/2106\/revisions\/3114"}],"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=2106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}