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Posted to dev@systemds.apache.org by GitBox <gi...@apache.org> on 2020/10/10 15:28:41 UTC

[GitHub] [systemds] mboehm7 commented on pull request #1078: [MINOR] MKL native MM setNonZeros to number of cells

mboehm7 commented on pull request #1078:
URL: https://github.com/apache/systemds/pull/1078#issuecomment-706566376


   The current runtime/compiler requires the non-zeros to be exact or unknown (-1) - so we cannot simply set it to fully dense. This information could be mistakenly used (e.g., when rewriting `sum(X!=0)` to `nnz(X)`)


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