{"id":165858,"date":"2022-01-26T13:16:46","date_gmt":"2022-01-26T13:16:46","guid":{"rendered":"\/forum\/forums\/topic\/ls-dyna-hybrid-solver-tuning-help\/"},"modified":"2022-02-01T18:56:41","modified_gmt":"2022-02-01T18:56:41","slug":"ls-dyna-hybrid-solver-tuning-help","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ls-dyna-hybrid-solver-tuning-help\/","title":{"rendered":"LS-Dyna Hybrid solver tuning help"},"content":{"rendered":"<div class=\"Item-Body\">\n<div class=\"Message userContent\">\n<p>I&#039;m working with a hybrid solver problem that I&#039;m wondering if I couldn&#039;t tune better for my environment.<\/p>\n<p>I have 18 nodes with Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz and 192 gb of ram each. <\/p>\n<p>I currently have the job in a running state with the following line<\/p>\n<p>\/cm\/shared\/apps\/spack\/opt\/spack\/linux-centos8-icelake\/gcc-8.4.1\/openmpi-4.1.1-tb3xalwpw7zzdpnhv7x7hfc23akhimpt\/bin\/mpirun &#8211;mca btl &#039;^openib&#039; -np 7 lsdyna &quot;i=Master.key memory1=2000m ncpu=-8&quot;<\/p>\n<p>This is fully working and I&#039;m able to generate d3plot files but I&#039;d like to know if there are some extra flags I could add to make the process run better or anything else I could try.<\/p>\n<p>Things I have tried: &quot;-np 56&quot; &quot;-np 28&quot; &quot;-np 14&quot; and removing the memory listing<\/p>\n","protected":false},"template":"","class_list":["post-165858","topic","type-topic","status-closed","hentry","topic-tag-hpc","topic-tag-ls-dyna","topic-tag-tuning-1"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_btv_view_count":["508"],"_bbp_likes_count":["0"],"_bbp_subscription":["254493"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["165858"],"_bbp_forum_id":["27814"],"_bbp_engagement":["178074","210503"],"_bbp_voice_count":["2"],"_bbp_reply_count":["3"],"_bbp_last_reply_id":["203763"],"_bbp_last_active_id":["203763"],"_bbp_last_active_time":["2022-02-01 18:56:41"]},"test":"smitchusonuakron-edu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/165858","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\/165858\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=165858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}