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https://issues.apache.org/jira/browse/ARROW-4226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16942607#comment-16942607
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Rok Mihevc commented on ARROW-4226:
-----------------------------------
I was just reading it :)
I'll start working on this sometime this week.
> [C++] Add CSF sparse tensor support
> -----------------------------------
>
> Key: ARROW-4226
> URL: https://issues.apache.org/jira/browse/ARROW-4226
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Kenta Murata
> Assignee: Rok Mihevc
> Priority: Minor
> Labels: sparse
> Fix For: 1.0.0
>
>
> [https://github.com/apache/arrow/pull/2546#pullrequestreview-156064172]
> {quote}Perhaps in the future, if zero-copy and future-proof-ness is really
> what we want, we might want to add the CSF (compressed sparse fiber) format,
> a generalisation of CSR/CSC. I'm currently working on adding it to
> PyData/Sparse, and I plan to make it the preferred format (COO will still be
> around though).
> {quote}
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