(!****************************************************** Mosel Example Problems ====================== File flowh.mos `````````````` Use of sparse arrays to reduce size of tables - hashmap version - (c) 2008 Fair Isaac Corporation author: S. Heipcke, 2005, rev. Sep. 2018 *******************************************************!) model "Hashmap arrays" declarations Suppliers = 1..150 Customers = 1..10000 COST: hashmap array(Suppliers,Customers) of real flow: hashmap array(Suppliers,Customers) of mpvar end-declarations initializations from "flow.dat" COST end-initializations forall(s in Suppliers, c in Customers | COST(s,c)>0 ) create(flow(s,c)) end-model (! Check memory usage ================== Use the following command sequence at the command line: mosel debug -g flow.mos lsmods info COST quit Remove the keyword 'hashmap' from the array declarations and perform once more the same command sequence. !)