Class | Description |
---|---|
ABtDenseOutJob |
Computes ABt products, then first step of QR which is pushed down to the
reducer.
|
ABtDenseOutJob.ABtMapper |
So, here, i preload A block into memory.
|
ABtDenseOutJob.QRReducer |
QR first step pushed down to reducer.
|
ABtJob |
Computes ABt products, then first step of QR which is pushed down to the
reducer.
|
ABtJob.ABtMapper |
So, here, i preload A block into memory.
|
ABtJob.QRReducer |
QR first step pushed down to reducer.
|
BtJob |
Bt job.
|
BtJob.BtMapper | |
BtJob.OuterProductCombiner | |
BtJob.OuterProductReducer | |
DenseBlockWritable |
Ad-hoc substitution for
MatrixWritable . |
Omega |
simplistic implementation for Omega matrix in Stochastic SVD method
|
QJob |
Compute first level of QHat-transpose blocks.
|
QJob.QMapper | |
SparseRowBlockAccumulator |
Aggregate incoming rows into blocks based on the row number (long).
|
SparseRowBlockWritable |
block that supports accumulating rows and their sums , suitable for combiner
and reducers of multiplication jobs.
|
SplitPartitionedWritable |
a key for vectors allowing to identify them by their coordinates in original
split of A.
|
SplitPartitionedWritable.SplitGroupingComparator | |
SSVDCli |
Mahout CLI adapter for SSVDSolver
|
SSVDHelper |
set of small file manipulation helpers.
|
SSVDSolver |
Stochastic SVD solver (API class).
|
UJob |
Computes U=Q*Uhat of SSVD (optionally adding x pow(Sigma, 0.5) )
|
UJob.UMapper | |
VJob | |
VJob.VMapper | |
YtYJob |
Job that accumulates Y'Y output
|
YtYJob.YtYMapper | |
YtYJob.YtYReducer |
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