[GitHub] [systemml] Baunsgaard edited a comment on issue #871: [SYSTEMDS-314] Python Federated Matrices

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Baunsgaard edited a comment on issue #871: [SYSTEMDS-314] Python Federated Matrices
URL: https://github.com/apache/systemml/pull/871#issuecomment-605605198
 
 
   Note, some tests are failing in python federated.
   This is intentionally left in, so that we at some point can go back and fix the underlying functionality.
   
   1. bug is if you create a federated matrix that is not 100% filled in by federated workers, then operations does not take into account the remaining cells.
   2. bug is if you create a federated matrix that is larger than the input size, it crashes, while expected behavior is to pad the matrix with 0's for consistent behavior, with other functionality.
   3. feature/bug, currently if a single federated matrix is having overlapping sub matrices, see tests ["federated basic test"](/src/main/python/tests/federated/test_federated_basic) for examples, the system does not complain, and in some cases even works by overwriting the matrix values of the first selected federated matrix with the later matrices.

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