[freeciv-ai] Re: README.AI

[Mike Kaufman <kaufman@xxxxxxxxxxxxxxxxxxxxxx>]

On Fri, Apr 26, 2002 at 11:56:42AM +0200, Raimar Falke wrote:
> On Fri, Apr 26, 2002 at 11:36:03AM +0200, Per I. Mathisen wrote:
> > * AI doesn't understand how to favor trade when it needs luxury.
> 
> The CMA may help here.
> 
> Mike: should be publish our thoughts about the AI and code movement?

yes. I'll write a draft for this section.

> 
> > * City tile values are not cached; wastes CPU time.
> 
> While looking at performance I implemented such thing. Result: very
> small speedup. You just need to flush the cache too often:
>  - everything which changes the happy state of the city (change of the
>  citizen assigments, new trade routes, ...)
>  - if government changes
>  - if tiles on the city map changes
>  - if city grows
> 
> So in short you have to invalidate the cache at least every turn and
> maybe even multiple times a turn.

probably should eliminate then.

-mike