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Technology Stocks : CYRIX / NSM
NSM 18.270.0%Jul 31 5:00 PM EST
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To: milan0 who wrote (28577)7/28/1998 11:18:00 PM
From: Steve Porter  Read Replies (1) of 33344
 
Mike,

Well I think I speak on behalf of Scumbria when I say you are welcome. I also don't necessarily agree with Scumbria's last post to me (but I was too busy at the time I read it to reply.. so I will do so here).

Scumbria:

I think you are over complicating the unit I have in mind. I have in mind a simple memory snoop unit. It doesn't have to perfectly snoop EVERY instruction. Hell it only needs to be right half the time to pay off IMHO. You mentioned the decode/prefetch/memory addressing unit (I have lumped them because for the purposes of my plan little bits of all three are used).

Let's say a CPU currently has:

ADD EAX, EBX

in the memory calc/decode stage. Well since those are both registers, the memory unit isn't in use. When not snoop into the instruction stream an instruction or two and get what it will need? Doing that will give you a couple of clocks head start at the VERY least.

Steve

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