class BatchedNvcompZSTDCompressor extends BatchedTableCompressor
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- new BatchedNvcompZSTDCompressor(maxBatchMemorySize: Long, codecConfigs: TableCompressionCodecConfig, stream: Stream)
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def
addTableToCompress(contigTable: ContiguousTable): Unit
Add a contiguous table to be batch-compressed.
Add a contiguous table to be batch-compressed. Ownership of the table is transferred to the batch compressor which is responsible for closing the table.
- contigTable
the contiguous table to be compressed
- Definition Classes
- BatchedTableCompressor
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def
addTables(contigTable: Array[ContiguousTable]): Unit
Add an array of contiguous tables to be compressed.
Add an array of contiguous tables to be compressed. The tables will be closed by the batch compressor.
- contigTable
contiguous tables to compress
- Definition Classes
- BatchedTableCompressor
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final
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asInstanceOf[T0]: T0
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clone(): AnyRef
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def
close(): Unit
Must be closed to release the resources owned by the batch compressor
Must be closed to release the resources owned by the batch compressor
- Definition Classes
- BatchedTableCompressor → AutoCloseable
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def
compress(tables: Array[ContiguousTable], stream: Stream): Array[CompressedTable]
Batch-compress contiguous tables
Batch-compress contiguous tables
- tables
contiguous tables to compress
- stream
CUDA stream to use
- returns
compressed tables. Table IDs in the
TableMetashould be set to 0.
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- BatchedNvcompZSTDCompressor → BatchedTableCompressor
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eq(arg0: AnyRef): Boolean
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def
finish(): Array[CompressedTable]
This must be called after all tables to be compressed have been added to retrieve the compression results.
This must be called after all tables to be compressed have been added to retrieve the compression results.
- returns
compressed tables
- Definition Classes
- BatchedTableCompressor
- Note
the table IDs in the TableMeta of all tables will be set to zero
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getClass(): Class[_]
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def
resizeOversizedOutputs(tables: Array[CompressedTable]): Array[CompressedTable]
Reallocates and copies data for oversized compressed data buffers due to inaccurate estimates of the compressed output size.
Reallocates and copies data for oversized compressed data buffers due to inaccurate estimates of the compressed output size. If the buffer is already the appropriate size then no copy is performed.
- tables
compressed tables to resize
- returns
right-sized compressed tables
- Attributes
- protected
- Definition Classes
- BatchedTableCompressor
- Note
This method takes ownership of the tables and is responsible for closing them.
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