Writes bit compressed symbols to a memory buffer. Use CompressedIterator to read symbols back from buffer. Currently limited to a maximum symbol size of 28 bits.
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#include <compressed_iterator.h>
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static size_t | CalculateBufferSize (size_t num_elements, size_t num_symbols) |
| Calculates number of bytes requiredm for a given number of elements and a symbol range. More...
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Writes bit compressed symbols to a memory buffer. Use CompressedIterator to read symbols back from buffer. Currently limited to a maximum symbol size of 28 bits.
- Author
- Rory
- Date
- 7/9/2017
◆ CompressedBufferWriter()
xgboost::common::CompressedBufferWriter::CompressedBufferWriter |
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size_t |
num_symbols | ) |
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inlineexplicit |
◆ CalculateBufferSize()
static size_t xgboost::common::CompressedBufferWriter::CalculateBufferSize |
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size_t |
num_elements, |
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size_t |
num_symbols |
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) |
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inlinestatic |
Calculates number of bytes requiredm for a given number of elements and a symbol range.
- Author
- Rory
- Date
- 7/9/2017
- Parameters
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num_elements | Number of elements. |
num_symbols | Max number of symbols (alphabet size) |
- Returns
- The calculated buffer size.
◆ Write()
template<typename IterT >
void xgboost::common::CompressedBufferWriter::Write |
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CompressedByteT * |
buffer, |
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IterT |
input_begin, |
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IterT |
input_end |
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) |
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inline |
◆ WriteSymbol()
template<typename T >
void xgboost::common::CompressedBufferWriter::WriteSymbol |
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CompressedByteT * |
buffer, |
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T |
symbol, |
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size_t |
offset |
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) |
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inline |
The documentation for this class was generated from the following file: