[MUD-Dev] memory and speed

[Mark Gritter]

Caliban Tiresias Darklock writes:
> Other cache implementations are even
> worse, and "top out" -- they cache the first X megs of RAM, and that's it.
> If your data is in the rest of RAM, your cache is missed entirely.

I got bit by this once or twice.  If your BIOS has an option called
"cacheable memory range" or something similar, make sure it's as large
as the amount of memory you have.  It's very noticeable when this is wrong,
even though half of your memory might still be being cached.

Mark Gritter
mark at erdos.stanford.edu



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