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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Elmer who wrote (46496)1/18/1999 12:00:00 PM
From: Scumbria  Read Replies (1) | Respond to of 1573482
 
Elmer,

Are you suggesting that delaying a clock to a latch, and thus affecting all the logic downstream, is a better solution than speeding up the longpath in the first place? I don't think you're saying that and that was the point I was addressing.

There are many possible approaches to fixing speedpaths, ranging from a new architecture, down to ugly metal fixes in spare logic. The choice is determined largely by the amount of time available to implement the fix. Many times, delaying a clock is the only practical solution for fixing a speedpath.

Long wires are commonplace in CPU designs, and are usually the result of an excessively complicated architecture.

Scumbria