[nhc-bugs] profiling timesteps

[Malcolm Wallace]

> The documentation says "Profiling intervals may be given in Mega-,
> kilo-, or milli- seconds. For example, 1Ms (1 Megasecond), 2ms (2
> milliseconds). If no units are specified, the default is seconds." 

The documentation is wrong.  If you don't specify a unit, the default
appears to be `number of allocations', which is not a time-based
unit at all.  It is no surprise that your -i100 computation ran out
of space with this interpretation!

Regards,
    Malcolm