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Politics : Formerly About Advanced Micro Devices
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To: tejek who wrote (246388)8/17/2005 4:19:33 PM
From: Tenchusatsu  Read Replies (2) of 1571420
 
Ted, Let me tell you what I don't think........it didn't happen in six days.

I'll give you a little analogy from my own job, which is to simulate and validate a design before it gets to silicon. There are two approaches we take. One is called "focused testing," where we write specific tests to hit the features we want to hit. The problem with that is that it's very inadequate when it comes to hitting the unexpected, for if we can code it up in a test, it wouldn't be "unexpected" now would it? The other is called "random testing," where we just use raw computing power and flood the simulated design with random stimuli. Unfortunately, we don't have forever to wait until the random stimuli hits everything we want it to, especially in a fast moving world of tech with ever-compressed schedules.

Obviously the answer is a combination of the two, but I like to characterize the two extremes as "creationism" and "evolutionism." With "evolution," we can validate any design if we only had a million years to work with. With "creationism," we can validate the design in six days and get Sunday off, but we'd need divine intelligence to do just that.

I hope that puts things into a certain perspective for you.

Tenchusatsu
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