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From Nakul Jindal <naku...@gmail.com>
Subject Sparsity estimates for Matrix Multiplication
Date Tue, 20 Jun 2017 19:06:19 GMT
Hi,

There is code in systemml to “estimate” the output sparsity of a matrix
multiplication operation between two sparse matrices.
Is there a citation for this? If not, have we done any tests to figure out
how good these estimates are?
https://github.com/nakul02/systemml/blob/df8d4a63d8d09cae94b6ca2634e31da554302c72/src/main/java/org/apache/sysml/hops/OptimizerUtils.java#L944-L953

Thanks,
Nakul

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