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trait TableCompressionCodec extends AnyRef

An interface to a compression codec that can compress a contiguous Table on the GPU

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CopyCompressionCodec, NvcompLZ4CompressionCodec, NvcompZSTDCompressionCodec
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Abstract Value Members

  1. abstract val codecId: Byte

    The ID used for this codec.

    The ID used for this codec. See the definitions in CodecType.

  2. abstract def createBatchCompressor(maxBatchMemorySize: Long, stream: Stream): BatchedTableCompressor

    Create a batched compressor instance

    Create a batched compressor instance

    maxBatchMemorySize

    The upper limit in bytes of temporary and output memory usage at which a batch should be compressed. A single table that requires temporary and output memory above this limit is allowed but will be compressed individually.

    stream

    CUDA stream to use for compression

    returns

    batched compressor instance

  3. abstract def createBatchDecompressor(maxBatchMemorySize: Long, stream: Stream): BatchedBufferDecompressor

    Create a batched decompressor instance

    Create a batched decompressor instance

    maxBatchMemorySize

    The upper limit in bytes of temporary and output memory usage at which a batch should be decompressed. A single buffer that requires temporary and output memory above this limit is allowed but will be decompressed individually.

    stream

    CUDA stream to use for decompression

    returns

    batched decompressor instance

  4. abstract val name: String

    The name of the codec, used for logging.

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