I'm using Lindo to find a global solution to a large MINLP flow network optimization problem. I'm attempting to reduce my solve time by parallelizing Lindo. I tried setting threads to n=-2 using the GAMS command line parameter 'threads' based on https://www.gams.com/mccarlGuide/threads.htm
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option threads = -2 ;
GAMS Lindo Documentation https://www.gams.com/latest/docs/S_LIND ... UM_THREADS indicates that Lindo supports thread-based parallelization through the Option File (text file named lindo.opt) using the NUM_THREADS option, but does not provide an explicit example. Based on the GAMS Lindo Option File documentation https://www.gams.com/latest/docs/S_LIND ... DO_OPTIONS I expect the call line in the option file would look something like this:
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NUM_THREADS 50