Description of fast matrix multiplication algorithm: ⟨6×9×15:529⟩

Algorithm type

4 X^{4} Y^{5} Z^{4} + 21 X^{4} Y^{4} Z^{4} + 32 X^{2} Y^{7} Z^{3} + 3 X^{6} Y^{3} Z^{2} + 3 X^{4} Y^{3} Z^{4} + 24 X^{2} Y^{6} Z^{3} + 40 X Y^{7} Z^{3} + 17 X^{2} Y^{6} Z^{2} + 8 X^{2} Y^{5} Z^{3} + 7 X^{2} Y^{4} Z^{4} + 7 X^{2} Y^{2} Z^{6} + 3 X Y^{8} Z + 54 X Y^{6} Z^{3} + 12 X^{2} Y^{5} Z^{2} + 4 X^{2} Y^{3} Z^{4} + 3 X Y^{6} Z^{2} + 2 X Y^{5} Z^{3} + X^{4} Y^{2} Z^{2} + 32 X^{2} Y^{4} Z^{2} + 12 X^{2} Y^{2} Z^{4} + 4 X Y^{6} Z + X^{3} Y^{3} Z + 20 X^{2} Y^{3} Z^{2} + X^{2} Y Z^{4} + 3 X Y^{5} Z + 3 X Y^{4} Z^{2} + 2 X Y^{3} Z^{3} + X^{3} Y^{2} Z + 32 X^{2} Y^{2} Z^{2} + 15 X Y^{4} Z + 25 X Y^{3} Z^{2} + 2 X^{3} Y Z + 2 X^{2} Y Z^{2} + 54 X Y^{3} Z + 12 X Y^{2} Z^{2} + 6 X Y Z^{3} + 21 X Y^{2} Z + 17 X Y Z^{2} + 19 X Y Z

Algorithm definition

The algorithm ⟨6×9×15:529⟩ is taken from:

Andrew I. Perminov. FastMatrixMultiplication, GitHub, February 2026. [ GitHub repository ]

Algorithm description

These encodings are given in compressed text format using the maple computer algebra system. In each cases, the last line could be understood as a description of the encoding with respect to classical matrix multiplication algorithm. As these outputs are structured, one can construct easily a parser to its favorite format using the maple documentation without this software.

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