AbstractA comparison was made between using a simulation language to run models on a mainframe computer and on a microcomputer with a hard disk. The study was performed at NASA Langley using both the SLAM II mainframe and PC versions. The procedure for executing SLAM II on a PC is given. A batch job was created to simplify this procedure and allows PCs with a hard disk to execute simulations with one command. NASA's space transportation system operations model and the examples in the SLAM II text were used as a basis for the comparison. The PC simulations completed in predictable times. These were almost always faster than the more unpredictable mainframe times.
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