[GitHub] [systemds] Baunsgaard opened a new pull request, #1709: [SYSTEMDS-3447] SDC AppendN

[GitBox]

Baunsgaard opened a new pull request, #1709:
URL: https://github.com/apache/systemds/pull/1709

   This PR addresses the effeciency and implementation of AppendN in case of 
Offsets contained in all SDC Groups.
   Initial performance numbers looks as follows with variable sparsity:
   
![image](https://user-images.githubusercontent.com/9947148/197210999-663d0135-9b03-4f56-b073-b3d70184fe4a.png)
   
   Here all increases in the read line for read performance is because of 
unsupported append N for SDC groups.


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