[verbose #]…
A value of 1 (the default) instructs the kernel to output in a verbose manner.
A value of 0 reduces kernel output such that text output is only initiated at the end of a refinement cycle.
A value of -1 reduces kernel output such that text output is initiated every second and only Rwp values at the end of a refinement cycle is kept.
The Simulated_Annealing_1 macro has verbose set to -1; this ensures that long simulated annealing runs do not exhaust memory due to saving Rwp values and text output buffers.
[view_structure]
Informs a driver GUI to display the structure.