[r-t] Exhausted search spaces

Alexander Holroyd holroyd at math.ubc.ca
Wed Feb 3 19:38:00 UTC 2010

I would find it quite helpful to know a few statistics: especially roughly 
how long the search takes, and the number of compositions, the maximum of 
certain types of music, etc.


I'm delighted to have lists of all minimus extents, all in-course doubles 
extents, all 5 part doubles extents (and to know the rought number of 
each) and to know that all doubles extents is not practical.

I'm a touch sceptical that anyone has searched the whole space of extents 
of plain bob minor.  I'd be more inclined to believe it if I saw the data.

If I know it takes 4 weeks to search all tenors together peals of 
Bogstandard Royal, I won't bother trying it for this evening's peal 

If I know it only takes 5 minutes I might be tempted to try a search 
including my favourite split-tenor course.

If I know there are no cyclic 7-parts of Monkeyesque Major with all the 
-2345s, I won't bother looking.

Of course, one can find all this out oneself, but it could also be handy 
to have a list, if it's well organized.

On Wed, 3 Feb 2010, Richard Smith wrote:

>> Sounds like a good idea!
> I don't think it does.  What does it actually achieve. Suppose I do an 
> exhaustive search of ordinary length tenors-together peals of (say) Cornwall. 
> Assuming the list of compositions was very long (as I guess it would be), I 
> would probably extract a few that looked pleasing and publish them and ditch 
> the rest.  How does knowing that I've done this help anyone else?
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