{"id":35750,"date":"2019-06-04T16:57:58","date_gmt":"2019-06-04T16:57:58","guid":{"rendered":"\/forum\/forums\/topic\/insufficient-memory-allocated\/"},"modified":"2019-06-04T16:57:58","modified_gmt":"2019-06-04T16:57:58","slug":"insufficient-memory-allocated","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/insufficient-memory-allocated\/","title":{"rendered":"Insufficient memory allocated"},"content":{"rendered":"<p>Hi, there.<\/p>\n<p><\/p>\n<p>I&#8217;ve been trying to run several models of 1 to 15 million elements in CFX. I&#8217;ve been using different Partition Types (MeTiS, Optimized RCB, Recursive Coord Bisection, Simple Assignment&#8230;), I&#8217;ve tried Memory Alloc Factors from 1 to 8, including 1.2 and 1.5. <strong>In all cases, the partition was unsuccessful<\/strong>, with errors like the one copied below.<\/p>\n<p><\/p>\n<blockquote><p><\/p>\n<p>*** INSUFFICIENT MEMORY ALLOCATED ***<\/p>\n<p>ACTION REQUIRED : Increase the real stack memory size.<\/p>\n<p>Details :<br \/>&nbsp;&nbsp; Requested space&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38312091 words<br \/>&nbsp;&nbsp; Current allocated space&nbsp;&nbsp;&nbsp;:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 75940293 words<br \/>&nbsp;&nbsp; Current used space&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 58913880 words<br \/>&nbsp;&nbsp; Current free space&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 17026413 words<br \/>&nbsp;&nbsp; Number of free areas&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<\/p>\n<p>Details of error:-<\/p>\n<p>Error detected by routine MAKDAT<br \/>CDANAM =&nbsp; CrdIPVx CDTYPE =&nbsp; REAL ISIZE =&nbsp; 38312091<br \/>CRESLT = FULL<\/p>\n<p>\n<\/p><\/blockquote>\n<p><\/p>\n<p>The numbers may change depending on the precise settings for each case. I have been able to control Current allocated space (thorugh Memory Alloc Factor), but I couldn&#8217;t find out what caused a change in Requested space or Current used\/free space. Nevertheless, Current free space was always less than Requested space.<\/p>\n<p><\/p>\n<p>I&#8217;m running out of resources and hope. Hence, I would appreciate any sort of help or light.<\/p>\n","protected":false},"template":"","class_list":["post-35750","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["7922"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0"],"_btv_view_count":["2637"],"_bbp_subscription":["238693"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["35750"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","162497"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["86484"],"_bbp_last_active_id":["86484"],"_bbp_last_active_time":["2019-06-05 16:44:13"]},"test":"ferranroigtio"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/35750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/35750\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=35750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}