arXiv:2212.01175cs.SC
Flip Graphs for Matrix Multiplication
Abstract
We introduce a new method for discovering matrix multiplication schemes based on random walks in a certain graph, which we call the flip graph. Using this method, we were able to reduce the number of multiplications for the matrix formats (4, 4, 5) and (5, 5, 5), both in characteristic two and for arbitrary ground fields.
One of the researchers quoted in Nature link here... in the past, when DeepMind published "AlphaTensor" [1][2] in October 2022, it took a single day (!!), see [3], for improvements to the AlphaTensor-based scheme to be discovered. This was then a few months later generalized…
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