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How LUSAS uses PC virtual memory

Windows virtual memory ("swap/ page file") is used by LUSAS Solver and Modeller. The operating system generally expands the swap file size automatically, according to current application resource requirements. 

For some LUSAS analyses, the virtual memory requirements can be quite significant.  You may need to resize the swap file on your PC.  In some instances, the disk or partition to which the swap file is currently being written (typically the C:\ drive on a PC) may have insufficient space available. This will cause the analysis to fail.  The remedy is either to create additional free space on this disk or to relocate the swap file to another local disk drive or partition with more free space. 


More on how LUSAS uses PC resources

How to relocate PC virtual memory


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