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https://issues.apache.org/jira/browse/SYSTEMML-381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-381.
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> Data converters sparse matrix blocks
> ------------------------------------
>
> Key: SYSTEMML-381
> URL: https://issues.apache.org/jira/browse/SYSTEMML-381
> Project: SystemML
> Issue Type: Task
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 0.10
>
>
> In order to allow for a seamless integration into our runtime and the ability
> to work with different representations of sparse matrices in a single ML
> program, we need to provide data converters between the different formats. We
> aim to create SparseBlock->SparseBlockXXX converters which convert - based on
> the sparse block abstraction created in [SYSTEMML-378] - arbitrary sparse
> block formats into a specific SparseBlock implementation. This reduces the
> number of combinations from O(n^2) to O( n) and simplifies the process of
> adding new sparse block representations.
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