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Commits on Sep 8, 2017

• [SYSTEMML-1897] Fix codegen cell cplan construction and unsafe colaggs

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Commits on Sep 7, 2017

• [SYSTEMML-1894] Performance log operations (replace FastMath by Math)

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• [SYSTEMML-1893] Performance sparse-dense binary cell operations

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Commits on Sep 6, 2017

• [SYSTEMML-1889] Robustness parfor/hop memory budgets in spark exec mode

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• [MINOR] Rename rangeReIndex to rightIndex and related cleanups

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Commits on Sep 5, 2017

• [SYSTEMML-1888] Remove parfor rewrite on update-in-place intermediates

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• [SYSTEMML-1886] Extended codegen outer template (sparse-safe driver ops)

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Commits on Sep 4, 2017

• [SYSTEMML-1885] Performance codegen cell agg over compressed matrices

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Commits on Sep 3, 2017

• [SYSTEMML-1884] Fix unnecessary spark/mr insts on removeEmpty w/ select

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Commits on Sep 2, 2017

• [SYSTEMML-1881] Tuning parfor degree of parallelism (over-provisioning)

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• [SYSTEMML-1879] Performance parfor remote spark (reuse shared inputs)

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Commits on Sep 1, 2017

• [SYSTEMML-1888] Fix parfor optimizer exec type selection (msvm,kmeans)

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• [SYSTEMML-1877] Fix setup parfor data-partition-execute (univar stats)

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• [SYSTEMML-1876] Fix size propagation QuaternaryOp wdivmm (stratstats)

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Commits on Aug 25, 2017

• [SYSTEMML-1871] Rework compiler/runtime predicate handling (if, loops)

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Commits on Aug 23, 2017

• [SYSTEMML-1862] Fix special case buffer pool eviction, cleanup

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• [SYSTEMML-1861] Performance sparse-sparse binary mult operations

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• [SYSTEMML-1857] Performance codegen outer operators (degree of par)

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Commits on Aug 22, 2017

• [SYSTEMML-1857] Performance codegen operator skeletons (all templates)

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Commits on Aug 19, 2017

• [SYSTEMML-1854] Fix NPE on transformapply w/ empty recode map

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Commits on Aug 18, 2017

• [SYSTEMML-1853] Fix rewrite matrix-scalar ops (incomplete blacklist)

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• [SYSTEMML-1852] Fix rewrite outer-rexpand (generalized max handling)

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• [SYSTEMML-1851] Fix transformdecode output column names (from meta)

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• [SYSTEMML-1850] Fix robustness transformdecode w/ delimiter tokens

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• [SYSTEMML-1848] Performance codegen multi aggregates over sparse inputs

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Commits on Aug 17, 2017

• [SYSTEMML-1846] Fix transformapply w/ subset of column names

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• [SYSTEMML-1845] Performance codegen cellwise w/ multiple sparse inputs

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Commits on Aug 16, 2017

• [SYSTEMML-1843] Fix rewrite mark loop variables as update-in-place

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• [SYSTEMML-1842] Fix lost compression flag on HOP DAG recompile/codegen

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• [SYSTEMML-1841] Performance codegen outer operations (GC, load balance)

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Commits on Aug 15, 2017

• [SYSTEMML-1840] Fix missing validation of transform* specifications

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• [SYSTEMML-1839] Fix NPE on parfor initialization w/o log4j config

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• [SYSTEMML-1838] Performance sparse/ultra-sparse binary block read

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Commits on Aug 12, 2017

• [SYSTEMML-1292] Support for codegen spark ops w/ multiple RDD inputs

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Commits on Aug 11, 2017

• [SYSTEMML-1837] Fix unary aggregate physical output size/mem estimates

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