If the Sudokus were *really* huge I bet the MIP would win ;-)

On Tue, Jul 1, 2014 at 6:06 PM, Iain Dunning <[email protected]> wrote:

> Hah I'm actually surprised there isn't more of a performance gap for the
> MIP formulation, thats kinda cool.
>
>
> On Tuesday, July 1, 2014 1:37:00 PM UTC-4, andy hayden wrote:
>
>> I recently ported Norvig's Solve Every Sudoku Puzzle
>> <http://norvig.com/sudoku.html> to Julia: https://github.com/
>> hayd/Sudoku.jl
>>
>> Some simple benchmarks suggest my Julia implementation solves around 20%
>> slower* than the Python version, and 3 times faster than the implementation
>> on JuMP (vendorized from the latest release), against the random puzzles. I
>> tried to include the solver from attractivechaos/plb
>> <https://github.com/attractivechaos/plb/tree/master/sudoku> but couldn't
>> get it working for comparison...
>>
>> I'm new to Julia so would love to hear people's thoughts / any
>> performance tips!
>> I've not delved too deeply into the Profile, but @time suggests 10% of
>> time is GC.
>>
>> **I'm sure I've lost some performance in translation which could be
>> easily sped up...*
>>
>> Best,
>> Andy
>>
>

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