{"id":360128,"date":"2024-04-02T20:06:33","date_gmt":"2024-04-02T20:06:33","guid":{"rendered":"\/forum\/forums\/reply\/360128\/"},"modified":"2024-04-02T20:06:33","modified_gmt":"2024-04-02T20:06:33","slug":"360128","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/360128\/","title":{"rendered":"Reply To: using in-core and out-of-core mode"},"content":{"rendered":"<p>&lt;p&gt;You don&#8217;t need to use this command, the solver will automatically use in-core if it finds there is sufficient free RAM for the model size.&nbsp; After you hit Solve, you can read the Solver Output under the Solution Information folder and search for the word in-core to learn if the solver chose that method, but it is only easy to find if you used the Sparse Direct solver.&lt;\/p&gt;&lt;div id=&#8221;paraDiv&#8221;&gt;<\/p>\n<pre class=\"paragraphText\">DISTRIBUTED SPARSE MATRIX DIRECT SOLVER.&lt;br&gt;&nbsp; Number of equations =&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 28039,&nbsp;&nbsp;&nbsp; Maximum wavefront =&nbsp;&nbsp;&nbsp; 342&lt;br&gt;&lt;br&gt;&nbsp; Process memory allocated for solver&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 31.709 MB&lt;br&gt;&nbsp; Process memory required for in-core solution&nbsp;&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 16.745 MB&lt;br&gt;&nbsp; Process memory required for out-of-core solution =&nbsp;&nbsp;&nbsp;&nbsp; 9.052 MB&lt;br&gt;&lt;br&gt;&nbsp; Total memory allocated for solver&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp; 141.429 MB&lt;br&gt;&nbsp; Total memory required for in-core solution&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 77.605 MB&lt;br&gt;&nbsp; Total memory required for out-of-core solution&nbsp;&nbsp; =&nbsp;&nbsp;&nbsp; 38.401 MB&lt;br&gt;&lt;br&gt;&nbsp;*** NOTE ***&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CP =&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9.812&nbsp;&nbsp; TIME= 11:01:49&lt;br&gt;&nbsp;The Distributed Sparse Matrix Solver is currently running in the&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;br&gt;&nbsp;in-core memory mode.&nbsp; This memory mode uses the most amount of memory&nbsp;&nbsp; &lt;br&gt;&nbsp;in order to avoid using the hard drive as much as possible, which most&nbsp; &lt;br&gt;&nbsp;often results in the fastest solution time.&nbsp; This mode is recommended&nbsp;&nbsp; &lt;br&gt;&nbsp;if enough physical memory is present to accommodate all of the solver&nbsp;&nbsp; &lt;br&gt;&nbsp;data.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/pre>\n<p>&lt;\/div&gt;&lt;p&gt;If your model is much too large for in-core solving, install some more RAM or reduce the number of nodes in your model.&lt;\/p&gt;&lt;p&gt;If the memory required for in-core solving seems to be just a small amount below the installed RAM minus the memory used by Windows, and the solver chose out-of-core solving, you can try restarting your computer to clean out the memory and not start any programs besides Ansys. If you are lucky, it will choose in-core.&nbsp; If it does not, that is the only time it is useful to use the DSPOPTION,,INCORE command. However, though it may try to use in-core, it will automatically switch to out-of-core when it finds it needs more RAM.&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-360128","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=\"You don&#039;t need to use this command, the solver will automatically use in-core if it finds there is sufficient free RAM for the model size. After you hit Solve, you can read the Solver Output under the Solution Information folder and search for the word in-core to learn if the solver chose that method, but\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/360128\/\" \/>\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: using in-core and out-of-core mode | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"You don&#039;t need to use this command, the solver will automatically use in-core if it finds there is sufficient free RAM for the model size. After you hit Solve, you can read the Solver Output under the Solution Information folder and search for the word in-core to learn if the solver chose that method, but\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/360128\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-04-02T20:06:33+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-04-02T20:06:33+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: using in-core and out-of-core mode | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"You don&#039;t need to use this command, the solver will automatically use in-core if it finds there is sufficient free RAM for the model size. 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