{"id":292735,"date":"2023-07-12T10:26:05","date_gmt":"2023-07-12T10:26:05","guid":{"rendered":"\/forum\/forums\/reply\/292735\/"},"modified":"2023-07-12T10:26:05","modified_gmt":"2023-07-12T10:26:05","slug":"292735","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/","title":{"rendered":"Reply To: Problem with Ansys Fluent GPU accelaration"},"content":{"rendered":"<p>&lt;p&gt;If you only have 12 real cpu cores I&#8217;d not use any more, and would possibly check if 10 was faster given the OS load etc.&nbsp; Do not use hyperthreading, it&#8217;s generally not worth the licence &#8220;cost&#8221;. Note, with some of the high core count chips if you don&#8217;t have enough memory channels you&#8217;ll find you&#8217;re not getting a good speed up as the memory limits the performance.&nbsp;&lt;\/p&gt;&lt;p&gt;GPU assistance on the cpu solver is limited to certain tasks so tends not to be as effective as people expect. The pure gpu solver however is significantly faster, but you may find not all of the physics you want to be available: more is being added with each release.&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-292735","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=\"If you only have 12 real cpu cores I&#039;d not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it&#039;s generally not worth the licence &quot;cost&quot;. Note, with some of the high core count chips if you don&#039;t have enough memory channels you&#039;ll find\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/\" \/>\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: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"If you only have 12 real cpu cores I&#039;d not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it&#039;s generally not worth the licence &quot;cost&quot;. Note, with some of the high core count chips if you don&#039;t have enough memory channels you&#039;ll find\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-07-12T10:26:05+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-12T10:26:05+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"If you only have 12 real cpu cores I&#039;d not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it&#039;s generally not worth the licence &quot;cost&quot;. Note, with some of the high core count chips if you don&#039;t have enough memory channels you&#039;ll find\" \/>\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\\\/292735\\\/#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\\\/292735\\\/#listItem\",\"name\":\"Reply To: Problem with Ansys Fluent GPU accelaration\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/292735\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Problem with Ansys Fluent GPU accelaration\",\"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\\\/292735\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/292735\\\/\",\"name\":\"Reply To: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum\",\"description\":\"If you only have 12 real cpu cores I'd not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it's generally not worth the licence \\\"cost\\\". Note, with some of the high core count chips if you don't have enough memory channels you'll find\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/292735\\\/#breadcrumblist\"},\"datePublished\":\"2023-07-12T10:26:05+00:00\",\"dateModified\":\"2023-07-12T10:26:05+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Reply To: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum","description":"If you only have 12 real cpu cores I'd not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it's generally not worth the licence \"cost\". Note, with some of the high core count chips if you don't have enough memory channels you'll find","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/#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\/292735\/#listItem","name":"Reply To: Problem with Ansys Fluent GPU accelaration"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/#listItem","position":2,"name":"Reply To: Problem with Ansys Fluent GPU accelaration","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\/292735\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/","name":"Reply To: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum","description":"If you only have 12 real cpu cores I'd not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it's generally not worth the licence \"cost\". Note, with some of the high core count chips if you don't have enough memory channels you'll find","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/#breadcrumblist"},"datePublished":"2023-07-12T10:26:05+00:00","dateModified":"2023-07-12T10:26:05+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"Reply To: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum","og:description":"If you only have 12 real cpu cores I'd not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it's generally not worth the licence &quot;cost&quot;. Note, with some of the high core count chips if you don't have enough memory channels you'll find","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/","article:published_time":"2023-07-12T10:26:05+00:00","article:modified_time":"2023-07-12T10:26:05+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Problem with Ansys Fluent GPU accelaration | Ansys Learning Forum","twitter:description":"If you only have 12 real cpu cores I'd not use any more, and would possibly check if 10 was faster given the OS load etc. Do not use hyperthreading, it's generally not worth the licence &quot;cost&quot;. Note, with some of the high core count chips if you don't have enough memory channels you'll find"},"aioseo_meta_data":{"post_id":"292735","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 17:59:35","updated":"2026-08-04 02:58:39","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tReply To: Problem with Ansys Fluent GPU accelaration\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Problem with Ansys Fluent GPU accelaration","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/292735\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/292735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/292735\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=292735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}