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To: dumbmoney who wrote (29705)9/16/1999 4:48:00 PM
From: Tenchusatsu  Read Replies (2) | Respond to of 93625
 
Dumbmoney, <This would benefit low-to-mid-range desktop systems. (But it won't benefit servers because they have no need to keep pages open in the first place.)>

In short, servers have huge amounts of memory. This requires interleaving, and interleaving has additional benefits. (For example, 460GX, the chipset that will support 4-way Merced, uses SDRAMs which are highly interleaved.) Because of this interleaving, page hits are considered to be very rare in a server, and thus the paging policy is to close (precharge) pages right after they are accessed, as opposed to keeping them open. This makes Virtual Channels useless.

Of course, interleaving is expensive, but for servers that's OK.

Tenchusatsu