The example design contains wait timers. A `define SIM_SPEED_UP is available to improve simulation time by speeding up these wait times.
VCS
Use the vlogan option: +define+SIM_SPEED_UP.
ModelSim
Use the vlog option: +define+SIM_SPEED_UP.
IES
Use the ncvlog option: +define+SIM_SPEED_UP.
Vivado Simulator
Use the xvlog option: -d SIM_SPEED_UP.