Angel de Vicente’s Weblog

An HPC User’s Blog

Brute-force solver for Eternity II (in Fortran)

Posted by angeldevicente on April 30, 2008

An interesting programming puzzle (with a $2M prize!!) is the Eternity II puzzle. At Yahoo there is quite active group (of which I am a member) to discuss all things Eternity II.

Recently I have made available in that group (with nickname Txibilis) a
solver written in Fortran. Needless to say that the solver doesn’t solve the real puzzle… So far, a puzzle of size 13×13 is feasible, but the real puzzle is a monster 16×16, which is far beyond what this solver can do… Still, the puzzle is a nice excuse to learn about code optimization, etc. Soon (I hope) I will be releasing parallel versions (with MPI and others) of the code.

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