An Integrated SIMulator (ISIM) target is an executable binary that can run standalone, without the need for Model Shell or Model Debugger. ISIMs are generated by simgen by statically linking a model with the SystemC framework.
All Model Shell command-line options, except --model, can also be used with an ISIM target. Because the model is integrated into the target, there is no requirement to specify the model on the command line.