Niketan Pansare created SYSTEMML-1033:
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             Summary: Add LU and QR functionality to GPU backend
                 Key: SYSTEMML-1033
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1033
             Project: SystemML
          Issue Type: Sub-task
          Components: Runtime
            Reporter: Niketan Pansare


For LU: See JCublas2's cublasDgetrfBatched method
For QR: See JCublas2's cublasDgeqrfBatched method

The key changes required:
1. Add GPU backend in 
https://github.com/apache/incubator-systemml/blob/master/src/main/java/org/apache/sysml/hops/FunctionOp.java#L239
2. Add MultiReturnBuiltinGPUInstruction that invokes above functions either 
directly or through LibMatrixCUDA.

[~nakul02] Do you want to take a pass at this ?



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