High performance inplace transpose operations
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United States of America Patent
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Sep 4, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jul 26, 2016
filing date -
Jul 26, 2016
priority date (Note) -
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Abstract
Systems, apparatuses, and methods for performing in-place matrix transpose operations are disclosed. Operations for transposing tiles of a matrix are scheduled in an order determined by moving diagonally through tiles of the matrix. When a diagonal line hits a boundary, then a tile on a new diagonal line of the matrix is selected and operations are scheduled for transposing this tile. Only tiles within a triangular region of the matrix are scheduled for being transposed. This allows memory access operations to be performed in parallel, expediting the matrix transpose operation compared to linear tile indexing.
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