Idea about memory management. Game related.

[MM]

In article <e5ql8i$2abs$2 at digitaldaemon.com>, Walter Bright says...
>
>AgentOrange wrote:
>> But what about array
>> operations? Should one avoid using D arrays as well?
>
>I don't see why one would avoid them.

Yes, could anybody pls explain why one should avoid using arrays for 'real'-time
threads?
(Also interested in creating a game engine in D)