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Commits on Oct 24, 2015

• Fix ipa pass remove unnecessary checkpoints (candidate selection)

  mboehm7

  committed
  f1b406f

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• Fix quaternary operator simplification rewrites (prevent vector-vector)

  mboehm7

  committed
  471e1f8

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• Performance improvement of MLPipeline wrappers

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  Niketan Pansare

  committed
  f8f9b18

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Commits on Oct 23, 2015

• Performance spark write instruction (single pass, piggybacked nnz eval)

  mboehm7

  committed
  bcff243

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• [SYSML-319] Reuse R-script expected results in matrix_full_other tests

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  gweidner

  authored and

  lresende

  committed
  67819bc

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• [SYSML-282] Update in place, for non-empty output matrix in LeftIndexing

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  asurve

  authored and

  lresende

  committed
  1d63fad

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• [SYSML-328] Markdown for additional algorithms

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  deroneriksson

  authored and

  lresende

  committed
  096685e

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Commits on Oct 22, 2015

• Fix integer overflow minflop threshold tsmm, robustness mm/mmchain

  mboehm7

  committed
  daad6f3

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• Fix binarycell value data structure (unnecessary fields, serialization)

  mboehm7

  committed
  7b9f1ef

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• Performance analysis of rdd matrix characteristics (single pass)

  mboehm7

  committed
  09799d7

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• Fix spark rand instruction (unnecessary integer dimension limitation)

  mboehm7

  committed
  8e325c8

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• Performance spark binarycell reblock (mappartitions, reblock buffer)

  mboehm7

  committed
  c205825

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• Fix long overflows on size estimation (sparse/dense in-memory size)

  mboehm7

  committed
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Commits on Oct 21, 2015

• Preparing for initial 0.8.0 release

  

  Niketan Pansare

  committed
  0c7b731

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• Fix hash computation in ctable native longlong-double hashmap

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  mboehm7

  committed
  22e2abc

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• Performance ctable operations (custom native longlong-double hashmap)

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  mboehm7

  committed
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• Improved parfor optimizer (function meta data, avoid unnecessary ipa)

  mboehm7

  committed
  1d0cfbf

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• Extended statistics util (function recompile counts/timing)

  mboehm7

  committed
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Commits on Oct 20, 2015

• Improved exec type selection of operators w/ spark specific rules

  mboehm7

  committed
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• Fix spark cluster analysis (no repeated sparkconf, robustness unknowns)

  mboehm7

  committed
  80edc07

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• Improved multi-threaded matrix mult (minflop threshold mm/mmchain/tsmm)

  mboehm7

  committed
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Commits on Oct 19, 2015

• Performance improvement for XS cases

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  Niketan Pansare

  committed
  1b3fce5

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• Performance sparse-sparse transpose (count col freqs, allocate once)

  mboehm7

  committed
  8e705ec

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Commits on Oct 18, 2015

• [SYSML-282] Handling correction data in UaggOuterChain operations

  

  asurve

  authored and

  lresende

  committed
  44cf77f

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Commits on Oct 16, 2015

• Performance block matrix mult library (par mm, short lhs), for mlogreg

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  mboehm7

  committed
  3c50c27

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• Improved aggbinary operations exec type selection, for naive_bayes

  mboehm7

  committed
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Commits on Oct 15, 2015

• Cleanup csv/textcell/mm writers (code dedup, exceptions, task creation)

  mboehm7

  committed
  043ec3d

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• [SYSML-332] Fix matrix data expression handling (scalar/matrix, tests)

  mboehm7

  committed
  d2b402c

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• New multi-threaded binary block writer (parallelism over output files)

  mboehm7

  committed
  43b2677

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• New multi-threaded binary block reader (parallelism over input files)

  mboehm7

  committed
  8f0fdb1

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• [SYSML-326] MLContext Programming Guide

  

  deroneriksson

  authored and

  lresende

  committed
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Commits on Oct 14, 2015

• Adding log4j.properties to SystemML standalone invocation

  shirisht

  committed
  42860d8

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• Fixing minor typos

  shirisht

  committed
  c01541a

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• Using AtomicLong for maintaining cache statistics

  shirisht

  committed
  be7e62a

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• New ipa pass (remove constant binary operations), for als_cg

  mboehm7

  committed
  6e30af0

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