Distributed Fast Histogram Algorithm#4011

Merged

CodingCat merged 34 commits intodmlc:masterfrom CodingCat:dist_fast_histogram

Feb 5, 2019

+168-87

Commits on Jan 30, 2019

fix scalastyle error

CodingCat
authored and
Nan Zhu
committed
add back train method but mark as deprecated

CodingCat
authored and
Nan Zhu
committed
fix scalastyle error

CodingCat
authored and
Nan Zhu
committed
add back train method but mark as deprecated

CodingCat
authored and
Nan Zhu
committed
fix scalastyle error

CodingCat
authored and
Nan Zhu
committed
add back train method but mark as deprecated

CodingCat
authored and
Nan Zhu
committed
fix scalastyle error

CodingCat
authored and
Nan Zhu
committed
init
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committed
allow hist algo
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committed
more changes
Nan Zhu
committed
temp
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update
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remove hist sync
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udpate rabit
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change hist size
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change the histogram
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update kfactor
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sync per node stats
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temp
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update
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final
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code clean
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update rabit
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more cleanup
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fix errors
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fix failed tests
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enforce c++11
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fix lint issue
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broadcast subsampled feature correctly
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revert some changes
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fix lint issue
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enable monotone and interaction constraints
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don't specify default for monotone and interactions
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update docs
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committed