{"id":396648,"date":"2024-12-07T00:19:51","date_gmt":"2024-12-07T00:19:51","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/"},"modified":"2024-12-07T00:19:51","modified_gmt":"2024-12-07T00:19:51","slug":"396648","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/","title":{"rendered":"Reply To: Errors Running Ring Modulator Example on Cluster"},"content":{"rendered":"<p>&lt;p&gt;@adevata,&lt;\/p&gt;&lt;p&gt;The error message on your post was referring to MPICH2.&nbsp;&lt;\/p&gt;&lt;p&gt;Since Multiphysics solvers are single processes\/multi threaded solvers &#8211; you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers (CHARGE\/HEAT\/FEEM\/DGTD\/MQW). And its best to run the job using&nbsp;<em>&lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Local Computer&lt;\/span&gt;<\/em> as the <em>&lt;span style=&#8221;text-decoration: underline;&#8221;&gt;Job launching preset&lt;\/span&gt;<\/em>. See the KB for more information.&nbsp;&lt;\/p&gt;<\/p>\n<ul>\n<li><a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/4412958090131-Resource-configuration-for-Lumerical-solvers-running-with-a-single-process\">Resource configuration for Lumerical solvers running with a single process &ndash; Ansys Optics<\/a>&nbsp;<\/li>\n<li><a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360058790674-Resource-configuration-elements-and-controls\">Resource configuration elements and controls &ndash; Ansys Optics<\/a>&nbsp;<\/li>\n<li><a href=\"https:\/\/optics.ansys.com\/hc\/en-us\/articles\/360026321353-Distributed-computing\">Distributed computing &ndash; Ansys Optics<\/a> &nbsp;<\/li>\n<\/ul>\n<p>&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-396648","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=\"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/\" \/>\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: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-12-07T00:19:51+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-12-07T00:19:51+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers\" \/>\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\\\/396648\\\/#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\\\/396648\\\/#listItem\",\"name\":\"Reply To: Errors Running Ring Modulator Example on Cluster\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396648\\\/#listItem\",\"position\":2,\"name\":\"Reply To: Errors Running Ring Modulator Example on Cluster\",\"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\\\/396648\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396648\\\/\",\"name\":\"Reply To: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum\",\"description\":\"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\\\/multi threaded solvers - you can only run these simulations on 1 node\\\/machine. These solvers do not support running distributed computing or running on more than 1 node\\\/machine. Do not request more than 1 node on the cluster for these simulations\\\/solvers\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/396648\\\/#breadcrumblist\"},\"datePublished\":\"2024-12-07T00:19:51+00:00\",\"dateModified\":\"2024-12-07T00:19:51+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: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum","description":"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/#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\/396648\/#listItem","name":"Reply To: Errors Running Ring Modulator Example on Cluster"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/#listItem","position":2,"name":"Reply To: Errors Running Ring Modulator Example on Cluster","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\/396648\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/","name":"Reply To: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum","description":"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/#breadcrumblist"},"datePublished":"2024-12-07T00:19:51+00:00","dateModified":"2024-12-07T00:19:51+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: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum","og:description":"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/","article:published_time":"2024-12-07T00:19:51+00:00","article:modified_time":"2024-12-07T00:19:51+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: Errors Running Ring Modulator Example on Cluster | Ansys Learning Forum","twitter:description":"@adevata,The error message on your post was referring to MPICH2. Since Multiphysics solvers are single processes\/multi threaded solvers - you can only run these simulations on 1 node\/machine. These solvers do not support running distributed computing or running on more than 1 node\/machine. Do not request more than 1 node on the cluster for these simulations\/solvers"},"aioseo_meta_data":{"post_id":"396648","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":"default","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":false,"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":"2025-10-17 20:20:22","updated":"2026-08-13 10:30:53","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: Errors Running Ring Modulator Example on Cluster\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Reply To: Errors Running Ring Modulator Example on Cluster","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/396648\/"}],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/396648","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\/396648\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=396648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}