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From "Aleksey Zinoviev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-6761) Change block numeration in SparseBlockMatrixStorage
Date Thu, 26 Oct 2017 12:14:02 GMT
Aleksey Zinoviev created IGNITE-6761:
----------------------------------------

             Summary: Change block numeration in SparseBlockMatrixStorage
                 Key: IGNITE-6761
                 URL: https://issues.apache.org/jira/browse/IGNITE-6761
             Project: Ignite
          Issue Type: Improvement
      Security Level: Public (Viewable by anyone)
          Components: ml
            Reporter: Aleksey Zinoviev


Please, change schema of block numeration from 1-dimension coordinates to 2-dimension coordinates.
It helps to avoid complex calculation of blockId and row and column of CacheEntries for block.

Now there are a few bugs there.

From
||Heading 1||Heading 2||
|0|1|
|2|3|
|4|5|

to

||Heading 1||Heading 2||
|0,0|0,1|
|1,0|1,1|
|2,1|2,2|




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