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| file | base64.h [code] |
| | data stream support to input and output from/to base64 stream base64 is easier to store and pass as text format in mapreduce
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| file | bitmap.h [code] |
| | a simple implement of bitmap NOTE: bitmap is only threadsafe per word access, remember this when using bitmap
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| file | column_matrix.h [code] |
| | Utility for fast column-wise access.
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| file | common.h [code] |
| | Common utilities.
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| file | compressed_iterator.h [code] |
| |
| file | config.h [code] |
| | helper class to load in configures from file
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| file | enum_class_param.h [code] |
| | macro for using C++11 enum class as DMLC parameter
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| file | group_data.h [code] |
| | this file defines utils to group data by integer keys Input: given input sequence (key,value), (k1,v1), (k2,v2) Ouptupt: an array of values data = [v1,v2,v3 .. vn] and a group pointer ptr, data[ptr[k]:ptr[k+1]] contains values that corresponds to key k
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| file | hist_util.h [code] |
| | Utility for fast histogram aggregation.
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| file | host_device_vector.h [code] |
| | A device-and-host vector abstraction layer.
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| file | io.h [code] |
| | general stream interface for serialization, I/O
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| file | math.h [code] |
| | additional math utils
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| file | quantile.h [code] |
| | util to compute quantiles
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| file | random.h [code] |
| | Utility related to random.
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| file | row_set.h [code] |
| | Quick Utility to compute subset of rows.
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| file | span.h [code] |
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| file | timer.h [code] |
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| file | transform.h [code] |
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