GAMS World Forum

Hello When running a large program , it fails to generate the .lst file (output file) and brings out message " Error 87 " which says that there is a problem displaying the .lst file corresponding to my program. What is the cause of this problem (is it size or memory problem)? and what to d...

Hello I come back to you with great pleasure. I have a (large) set of elements which I will note H. I split this set (H) into 3 subsets which I will name H1(H), H2(H) and H3(H). Card(H) = Card(H1) + Card(H2) + Card(H3) Of course, the elements of these subsets are scattered throughout the large set a...

Hi Steve I come back to you I just added memory in my pc in D: and I ran the model which took time and which continued with more memory. However, the program stopped running before finish with the message below (attached). I must have understood that I was missing a file called GAMSCMEX ... Did I un...

Hello Steve Thank you very much for your answer. Thank you very much (also) for the precision and clarity of your answer. So I'm going to manage to increase this capacity. I will keep you posted soon after I resolve this issue. Happy to be part of this community of GAMS users. My greetings -Said-

Hello Steve Thank you very much for your answer. I will tell you the characteristics of my computer. Indeed, yes, I was running a "big" model (microsimulated model) using and calling data from a household survey containing information on almost 16,000 households. - Said- about my machine.p...

Hi, The message indicates that GAMS/Base has allocated more than 28GB of memory to run your GAMS code, and there is certainly some additional memory used elsewhere in GAMS/Base. GAMS needs more memory to run your code, but when it requests more, it cannot get any. Sometimes, you are really just out...

Hello everybody I have a problem when I run a model on GAMS. More precisely, the model does not finish the execution to output the results, because of a memory problem. More concretely, the following message comes out to me: " *** Out of memory *** HeapLimit = 1E299 MB HeapSize = 28568.9 MB &qu...