On Fri, Nov 14, 2008 at 6:38 PM, Jack Coats <[EMAIL PROTECTED]> wrote:
>>> You should have seen it run a big balanced sort using the
>>> tape rives!
>>
>> Those algorithms live on in Knuth.  He claims they're still relevant,
>> something about memory access locality. I suspect that's pretty much
>> nonsense, but they're fun to think about.
>
> Every once in a great while, the logic still come to bear.   Doing
> topological sorts still has uses
> in determining what should come first if there are options in a directed
> tree.  I have had to use
> it in some systems modeling applications.

Well, yeah, topological sort is a workhorse.  (Offhand, it turns up in
make and Mercurial.  Both have DAGs.)  Algorithms generally are
probably as important now as they ever have been.  I just meant the
tape-sorting algorithms in TaoCP 5.4.

I am probably wrong about those too.  I need to reread.

Cheers,
-j

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