Commit 780e9802 authored by Martin Perdacher's avatar Martin Perdacher
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README.md

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For our BLAS variant of the similarity-join, we use the matrix multiplication provided by BLAS and the Euclidean distance by scalar product (see paper).



![matrix multiplication](https://gitlab.cs.univie.ac.at/Google-TPU/BLAS-join/blob/master/description.jpg "BLAS-similarity join")

![LLC](measure/cache/figures/processorTileBlock.jpg "Processor Tile Block")

![matrix_multiplication](description.jpg "BLAS-similarity join")



The individual blocksize needs to be experimental evaluated for each individual hardware. Our selfjoin variant, only iterates over the lower triangle of the similarity matrix.