[freeciv-ai] Re: New settler code

[Mike Kaufman <kaufman@xxxxxxxxxxxxxxxxxxxxxx>]

On Mon, Apr 14, 2003 at 11:11:55AM -0500, Jason Dorje Short wrote:
> Per I. Mathisen wrote:
> > 
> > Duplicating the map for each player will not consume more CPU, but more
> > memory. The current implementation uses 61kb. Multiply by 32 players, and
> > you spend 3mb.
> 
> But each player just needs one bit of information for each tile, right? 
>   So 97% of this 3mb is empty, and could be eliminated if you used a 
> bitfield.
> 
> Moreover, for systems where std_bool uses a char values as boolean, the 
> 3mb is reduced to 750k anyway.

after glancing at the code, no, Per wants to be able to put a city or unit
id on the tile, which requires a full int. I'm not familiar enough with the
code or the problem, but it does seem to be an unoptimal solution with
regard to memory considerations.

-mike