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Donald Knuth on Multi-Core, Unit Testing, Literate Programming, and XP

38 replies on 39 pages. Most recent reply: Jun 14, 2008 10:09 AM by John Zabroski

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Mark Thornton

Posts: 275
Nickname: mthornton
Registered: Oct, 2005

Re: Donald Knuth on Multi-Core, Unit Testing, Literate Programming, and XP Posted: Apr 29, 2008 12:31 PM
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> <p>So why should I be so happy about the future that
> hardware vendors promise?
Whether you are happy or not there is no alternative in sight if you want more power than they can provide in a single core.

>They think a magic bullet will
> come along to make multicores speed up my kind of work; I
> think it’s a pipe dream. (No—that’s the wrong metaphor!
> "Pipelines" actually work for me, but threads don’t.
Pipelines provide diminishing returns with greater pipeline depth. I don't expect to see any silver bullets that make harnessing multi-cores easy either. We can expect tools and techniques that make it a little less hard.

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