Action operator -- does not necessary means Spark action; but does mean running BLAS optimizer and writing down Spark graph lineage since last checkpointed DRM.
Action operator -- does not necessary means Spark action; but does mean running BLAS optimizer and writing down Spark graph lineage since last checkpointed DRM.
Non-zero element count
R-like syntax for number of columns
R-like syntax for number of columns
R-like syntax for number of rows.
R-like syntax for number of rows.
Logical times-right over in-core matrix operand.