{"id":196080,"date":"2021-10-28T10:44:33","date_gmt":"2021-10-28T10:44:33","guid":{"rendered":"\/forum\/forums\/reply\/196080\/"},"modified":"2021-10-28T10:44:33","modified_gmt":"2021-10-28T10:44:33","slug":"196080","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196080\/","title":{"rendered":"Reply To: Optimum No of Cores For Fluent?"},"content":{"rendered":"<p>To add:<br \/>\nHow are these 64 cores distributed? Sometimes depending on the architecture, e.g. having 2 sockets with 32 cores each can perform poorer compared to  running with 1 socket. This is because the sockets need time to communicate with each other. Is that your case? Also depending on the grid partition some cores might finish their calculation before others, so they need to wait for them.<\/p>\n<p>There other factors to consider in performance tests, I believe finding the optimum # cores is case-dependent.<\/p>\n","protected":false},"template":"","class_list":["post-196080","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"To add: How are these 64 cores distributed? Sometimes depending on the architecture, e.g. having 2 sockets with 32 cores each can perform poorer compared to running with 1 socket. This is because the sockets need time to communicate with each other. Is that your case? Also depending on the grid partition some cores might\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196080\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Reply To: Optimum No of Cores For Fluent? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"To add: How are these 64 cores distributed? Sometimes depending on the architecture, e.g. having 2 sockets with 32 cores each can perform poorer compared to running with 1 socket. This is because the sockets need time to communicate with each other. Is that your case? Also depending on the grid partition some cores might\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/196080\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-10-28T10:44:33+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-10-28T10:44:33+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Optimum No of Cores For Fluent? | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"To add: How are these 64 cores distributed? Sometimes depending on the architecture, e.g. having 2 sockets with 32 cores each can perform poorer compared to running with 1 socket. This is because the sockets need time to communicate with each other. Is that your case? Also depending on the grid partition some cores might\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196080\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196080\\\/#listItem\",\"name\":\"Reply To: Optimum No of Cores For Fluent?\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196080\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Optimum No of Cores For Fluent?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196080\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/196080\\\/\",\"name\":\"Reply To: Optimum No of Cores For Fluent? | Ansys Learning Forum\",\"description\":\"To add: How are these 64 cores distributed? 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