[GitHub] incubator-spark pull request: [Proposal] Adding sparse data suppor...

[fommil]

Github user fommil commented on the pull request:

    https://github.com/apache/incubator-spark/pull/575#issuecomment-35020661
  
    @dlwh tracks? I thought I conclusively showed that there was zero impact to 
go native ;-) BTW, MTJ has sparse matrix support... and I also maintain it. 
What problem do you have with the license?