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Dmitriy Lyubimov updated MAHOUT-1729:
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Summary: Straighten out behavior of Matrix.iterator() and iterateNonEmpty()
(was: Straig
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Dmitriy Lyubimov updated MAHOUT-1717:
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Summary: allreduceBlock operator api and Spark implementation (was:
allReduce operator a
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Dmitriy Lyubimov updated MAHOUT-1717:
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Status: Patch Available (was: Open)
> allreduceBlock operator api and Spark implementati
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Dmitriy Lyubimov updated MAHOUT-1717:
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Description:
need it surprisingly often.
allreduceMap ( map: (keys, Matrix) => Matrix,
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Dmitriy Lyubimov updated MAHOUT-1729:
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Description:
SparseMatrix in particular does iterateNonEmpty() instead of iterating over
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Dmitriy Lyubimov updated MAHOUT-1732:
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Status: Patch Available (was: Open)
> Native support for kryo serialization of tensor ty
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Dmitriy Lyubimov updated MAHOUT-1732:
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Description:
Right now, the serialization of tensor types (matrix, vector) is double-brid
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Dmitriy Lyubimov updated MAHOUT-1660:
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Status: Patch Available (was: Open)
> Hadoop1HDFSUtil.readDRMHEader should be taking Had
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Dmitriy Lyubimov updated MAHOUT-1730:
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Description:
in-core mxA.t rewrite with mostly two goals in mind:
(1) enable mutability
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Dmitriy Lyubimov updated MAHOUT-1731:
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Description:
seems to be neither needed nor implemented consistently.
To create column-
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Dmitriy Lyubimov updated MAHOUT-1727:
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Status: Patch Available (was: Open)
> Elementwise analogues of scala.math functions for
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Dmitriy Lyubimov updated MAHOUT-1728:
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Status: Patch Available (was: Open)
> in-core functional assignments
> -
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Dmitriy Lyubimov updated MAHOUT-1730:
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Status: Patch Available (was: Open)
> new mutable transposition view for in-core matrice
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Dmitriy Lyubimov updated MAHOUT-1731:
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Status: Patch Available (was: Open)
> Deprecate SparseColumnMatrix.
> --
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Dmitriy Lyubimov updated MAHOUT-1727:
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Description:
what we mean here:
log(5)
vlog(vec)
mlog(mxA)
dlog(drmA)
in R, all these v
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Dmitriy Lyubimov updated MAHOUT-1728:
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Description:
in-core functional assignments (for vector and matrices)
mxA := { (x) => x
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Dmitriy Lyubimov updated MAHOUT-1726:
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Status: Patch Available (was: Open)
> R-like vector concatenation operator
> --
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Dmitriy Lyubimov updated MAHOUT-1723:
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Status: Patch Available (was: Open)
> Optional structural "flavor" abstraction for in-co
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Dmitriy Lyubimov updated MAHOUT-1723:
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Description:
This is structural abstraction (which is optional for a matrix but implement
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Dmitriy Lyubimov updated MAHOUT-1724:
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Description:
Current times() operation suffers a lot. Especially when e.g. column-major
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Dmitriy Lyubimov updated MAHOUT-1724:
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Description:
Current times() operation suffers a lot. Especially when e.g. column-major
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Dmitriy Lyubimov updated MAHOUT-1724:
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Status: Patch Available (was: Open)
> Optimizations of matrix-matrix in-core multiplicat
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Dmitriy Lyubimov updated MAHOUT-1726:
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Description:
in R, we write c(a,b)
in Scala we write a c b or a.c(b) or perhaps a.c(b,c,d
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Dmitriy Lyubimov updated MAHOUT-1721:
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Description:
we have rowSums() that are enabled only if matrix is int-keyed (DrmLike[Int]
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Dmitriy Lyubimov updated MAHOUT-1722:
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Description:
We will ask engines to support two tiny apis for row vector sampling.
One
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Dmitriy Lyubimov updated MAHOUT-1720:
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Status: Patch Available (was: Open)
> Support 1 cbind X, X cbind 1 etc. for both Matrix
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Dmitriy Lyubimov updated MAHOUT-1722:
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Status: Patch Available (was: Open)
> DRM row sampling api
>
>
>
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Dmitriy Lyubimov updated MAHOUT-1721:
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Status: Patch Available (was: Open)
> rowSumsMap summary for non-int-keyed DRMs
> --
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Dmitriy Lyubimov updated MAHOUT-1720:
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Description:
we have column and row (where applicable) bind between two tensor operators.
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Dmitriy Lyubimov updated MAHOUT-1718:
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Description:
drm2IntKeyed(DrmLike[K]) => DrmLike[Int] where the result rows are ordinally
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Dmitriy Lyubimov updated MAHOUT-1719:
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Description:
optimizer rewrites for something like 1 + drmX * dexp(drmX) => collapse into
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Dmitriy Lyubimov updated MAHOUT-1715:
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Description:
Spark has added explicit termination api for broadcasts in 1.1. So broadcast
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Dmitriy Lyubimov updated MAHOUT-1716:
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Status: Patch Available (was: Open)
> Scala logging style
> ---
>
>
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Dmitriy Lyubimov updated MAHOUT-1718:
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Status: Patch Available (was: Open)
> Support for conversion of any type-keyed DRM into
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Dmitriy Lyubimov updated MAHOUT-1716:
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Description:
Enable concise logging e.g.
trace(s"blha blah $variable") and
traceDo {
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Dmitriy Lyubimov updated MAHOUT-1718:
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Description:
drm2IntKeyed(DrmLike[K]) => DrmLike[Int] where the result rows are ordinally
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Dmitriy Lyubimov updated MAHOUT-1714:
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Status: Patch Available (was: Open)
> Add MAHOUT_OPTS environment when running Spark she
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Dmitriy Lyubimov updated MAHOUT-1713:
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Status: Patch Available (was: Open)
> Performance and parallelization improvements for A
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Dmitriy Lyubimov updated MAHOUT-1714:
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Description: PR https://github.com/apache/mahout/pull/135
> Add MAHOUT_OPTS environment w
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Dmitriy Lyubimov updated MAHOUT-1715:
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Status: Patch Available (was: Open)
> Closeable API for broadcast tensors
>
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Dmitriy Lyubimov updated MAHOUT-1713:
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Description:
per name.
PR https://github.com/apache/mahout/pull/135
was:per name.
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Dmitriy Lyubimov commented on MAHOUT-1570:
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I think the code is very nice and st
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Alexey Grigorev commented on MAHOUT-1570:
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Do you say that I should do a pull req
Alexey Grigorev created MAHOUT-1734:
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Summary: Mahout DSL for Flink: implement I/O
Key: MAHOUT-1734
URL: https://issues.apache.org/jira/browse/MAHOUT-1734
Project: Mahout
Issue Type: Task
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Sebastian Schelter commented on MAHOUT-1570:
I don't think it makes sense to
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Sebastian Schelter commented on MAHOUT-1570:
I don't think it makes sense to
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Sebastian Schelter commented on MAHOUT-1570:
I don't think it makes sense to
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Sebastian Schelter updated MAHOUT-1570:
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Comment: was deleted
(was: I don't think it makes sense to issue pull requests with u
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Sebastian Schelter updated MAHOUT-1570:
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Comment: was deleted
(was: I don't think it makes sense to issue pull requests with u
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