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Commits on Aug 11, 2017

• [SYSTEMML-1836] Reduced GC overhead codegen rowwise ops (static buffer)

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Commits on Aug 10, 2017

• [SYSTEMML-1443] Codegen constraint handling for distributed row ops

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Commits on Aug 9, 2017

• [SYSTEMML-1833] Fix codegen race conditions and cleanup robustness

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• [SYSTEMML-1828,1832] New rewrite for merging statement block sequences

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• [MINOR][SYSTEMML-1741] Improved graph traversal on codegen plan costing

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Commits on Aug 7, 2017

• [SYSTEMML-1826] Fix scalar-frame casts and frame rbind operations

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Commits on Aug 5, 2017

• [SYSTEMML-1741,1536,1296] New cost-based codegen optimizer (V2)

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Commits on Aug 2, 2017

• [SYSTEMML-1824] Fix transformapply by colnames w/ meta data superset

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• [SYSTEMML-1823] Fix parallel csv frame reader w/ unknowns (shutdown)

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Commits on Jul 29, 2017

• [SYSTEMML-1818] Fix ctable size propagation w/ two sequence inputs

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• [SYSTEMML-1817] Fix hop construction for full standard dev computation

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Commits on Jul 27, 2017

• [HOTFIX][SYSTEMML-1761] Fix wsloss special cases w/ sparse factors

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• [SYSTEMML-1812] Improved codegen candidate exploration algorithm

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Commits on Jul 26, 2017

• [MINOR] Modified codegen rowagg test (smaller value range of outputs)

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Commits on Jul 24, 2017

• [SYSTEMML-1801] Fix incomplete codegen candidate exploration

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Commits on Jul 23, 2017

• [MINOR] Misc cleanups of JMLC script execution and output handling

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• [HOTFIX][SYSTEMML-1787] Fix rewrite utils (row/column indexing checks)

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Commits on Jul 22, 2017

• [SYSTEMML-1506] Support codegen through all APIs, incl jmlc/mlcontext

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• [SYSTEMML-1800] Utils for reading matrix/frame blocks from streams

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• [SYSTEMML-1788] Extended codegen cell-wise ops (column aggregation)

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• [SYSTEMML-1787] Column range indexing in codegen rowwise operators

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• [MINOR] Performance and cleanup ctable result extraction

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Commits on Jul 20, 2017

• [SYSTEMML-1791] Performance frame cache release (avoid scans)

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• [SYSTEMML-1792] Performance sparse-dense block matrix multiply

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• [SYSTEMML-1791] Performance frame block indexing and transformapply

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• [SYSTEMML-1790] Fix frame block reset w/ #rows larger than allocated

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Commits on Jul 19, 2017

• [SYSTEMML-1535] Fix codegen rowwise matrix-matrix mult w/ shared reads

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Commits on Jul 18, 2017

• [SYSTEMML-1776] Collapse subsequent assignvar and rmvar instructions

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Commits on Jul 15, 2017

• [SYSTEMML-1772] Fix matrix mult exec type selection w/ sparse mmchain

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• [SYSTEMML-1773] JMLC error handling invalid argument/variable names

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Commits on Jul 14, 2017

• [SYSTEMML-1768] Cleanup properties of systemml-config file

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• [SYSTEMML-1765] Support for reading dml scripts from object stores

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Commits on Jul 13, 2017

• [SYSTEMML-1762] Fix spark/mr reshape instructions (missing blocks)

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• [SYSTEMML-1767] Performance codegen rowwise template w/ column agg

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Commits on Jul 12, 2017

• [SYSTEMML-1761] Performance wsloss w/o weights (sparsity exploitation)

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