Re: Locking physical memory (RAM) under Windows

William H. Geiger III (whgiii@invweb.net)
Thu, 18 Jun 1998 03:42:07 -0500

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In <3588A442.144DF2F5@ibm.net>, on 06/18/98
   at 01:23 AM, "Kriston J. Rehberg" <kriston@ibm.net> said:

>I am curious if anyone knew excatly what DirectX does to memory when it
>starts up a game. It appears to me, at least after playing a few games
>written for DirectX for any length of time on a 64 MB machine, that the
>DirectX code seems to forcefully swap out anything not having to do with
>game activity. I don't believe this swapping to be a memory leak because
>the swap file's size gets to be the same size practically every time
>(about 78 megabytes on a 64 MB system when running, say, Unreal, Quake 2,
>or Forsaken), and I seem to remember that one of the purposes of DirectX
>was to make Windows latency a non-issue for gaming and one of the
>side-effects of doing this might be to swap out non-essential OS services
>while the game is in progress.

>Would this "forced swapping," if it existed, affect the non-pagable
>device drivers that you are proposing?

I don't know what DirectX is doing but I seriously doubt that it would
have *any* effect on memory locked by a DD.

Of course knowing Micky$lop you never know. :-/

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