How fast is CM1 compared to other models?
CM1 has not been rigorously benchmarked against other models. It has only been compared head-to-head on a few occasions, usually on single-processor machines. Furthermore, these tests have always been for situations that CM1 was primarily designed for (e.g., idealized cloud modeling). From these limited tests, we have concluded that CM1 is roughly 2 times faster and uses roughly half as much memory (RAM) as the Advanced Research WRF. Also, CM1 is roughly 1.5-2 times faster than ARPS (when using the same time step), and uses ~75% of the memory (RAM) required by ARPS.
