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I've read through part of it and I find it quite useful when I try to reason about how something ought to perform. I try to do this before measuring and checking if I'm right. Then I try to see where I went wrong (I'm seldom right) and again having an understanding of how the computer works really helps here.

I, honestly, don't know if it will help me in terms of my career because at my current job, it's not something I can put to use. However, I want to learn this because it is fun (for me) to understand things close-to-the-metal.

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