Uses of Class
ai.rapids.cudf.BaseDeviceMemoryBuffer

Packages that use BaseDeviceMemoryBuffer

Package	Description
ai.rapids.cudf
ai.rapids.cudf.nvcomp

Uses of BaseDeviceMemoryBuffer in ai.rapids.cudf

Subclasses of BaseDeviceMemoryBuffer in ai.rapids.cudf

Modifier and Type	Class	Description
class	CudaMemoryBuffer	This class represents data allocated using `cudaMalloc` directly instead of the default RMM memory resource.
final class	CuFileBuffer	Represents a cuFile buffer.
class	DeviceMemoryBuffer	This class represents data in some form on the GPU.
class	DeviceMemoryBufferView	This class represents data in some form on the GPU.

Methods in ai.rapids.cudf that return BaseDeviceMemoryBuffer

Modifier and Type	Method	Description
BaseDeviceMemoryBuffer	ColumnVector.OffHeapState.getData()
final BaseDeviceMemoryBuffer	ColumnView.getData()	Gets the data buffer for the current column view (viewHandle).
BaseDeviceMemoryBuffer	ColumnVector.getDeviceBufferFor(BufferType type)	Get access to the raw device buffer for this column.
BaseDeviceMemoryBuffer	ColumnVector.OffHeapState.getOffsets()
final BaseDeviceMemoryBuffer	ColumnView.getOffsets()
BaseDeviceMemoryBuffer	ColumnVector.OffHeapState.getValid()
final BaseDeviceMemoryBuffer	ColumnView.getValid()

Methods in ai.rapids.cudf with parameters of type BaseDeviceMemoryBuffer

Modifier and Type	Method	Description
static long	CuFile.appendDeviceBufferToFile(File path, BaseDeviceMemoryBuffer buffer)	Append a device buffer to a given file path synchronously.
final void	HostMemoryBuffer.copyFromDeviceBuffer(BaseDeviceMemoryBuffer deviceMemoryBuffer)	Synchronously copy from a DeviceMemoryBuffer to a HostMemoryBuffer
final void	HostMemoryBuffer.copyFromDeviceBuffer(BaseDeviceMemoryBuffer deviceMemoryBuffer, Cuda.Stream stream)	Copy from a DeviceMemoryBuffer to a HostMemoryBuffer using the specified stream.
final void	BaseDeviceMemoryBuffer.copyFromDeviceBufferAsync(long destOffset, BaseDeviceMemoryBuffer src, long srcOffset, long length, Cuda.Stream stream)	Copy a subset of src to this buffer starting at destOffset using the specified CUDA stream.
final void	HostMemoryBuffer.copyFromDeviceBufferAsync(BaseDeviceMemoryBuffer deviceMemoryBuffer, Cuda.Stream stream)	Copy from a DeviceMemoryBuffer to a HostMemoryBuffer using the specified stream.
static ColumnView	ColumnView.fromDeviceBuffer(BaseDeviceMemoryBuffer buffer, long startOffset, DType type, int rows)	Create a new column view from a raw device buffer.
static void	CuFile.readFileToDeviceBuffer(BaseDeviceMemoryBuffer buffer, File path, long fileOffset)	Read a file into a device buffer synchronously.
static void	CuFile.writeDeviceBufferToFile(File path, long file_offset, BaseDeviceMemoryBuffer buffer)	Write a device buffer to a given file path synchronously.

Constructors in ai.rapids.cudf with parameters of type BaseDeviceMemoryBuffer

Modifier	Constructor	Description
	ColumnView(DType type, long rows, Optional<Long> nullCount, BaseDeviceMemoryBuffer dataBuffer, BaseDeviceMemoryBuffer validityBuffer)	Create a new column view based off of data already on the device.
	ColumnView(DType type, long rows, Optional<Long> nullCount, BaseDeviceMemoryBuffer dataBuffer, BaseDeviceMemoryBuffer validityBuffer, BaseDeviceMemoryBuffer offsetBuffer)	Create a new column view based off of data already on the device.
	ColumnView(DType type, long rows, Optional<Long> nullCount, BaseDeviceMemoryBuffer validityBuffer, BaseDeviceMemoryBuffer offsetBuffer, ColumnView[] children)	Create a new column view based off of data already on the device.

Uses of BaseDeviceMemoryBuffer in ai.rapids.cudf.nvcomp

Methods in ai.rapids.cudf.nvcomp with parameters of type BaseDeviceMemoryBuffer

Modifier and Type	Method	Description
DeviceMemoryBuffer[]	BatchedCompressor.compress(BaseDeviceMemoryBuffer[] origInputs, Cuda.Stream stream)	Compress a batch of buffers.
void	BatchedDecompressor.decompressAsync(BaseDeviceMemoryBuffer[] origInputs, BaseDeviceMemoryBuffer[] outputs, Cuda.Stream stream)	Asynchronously decompress a batch of buffers
static void	BatchedLZ4Decompressor.decompressAsync(long chunkSize, BaseDeviceMemoryBuffer[] origInputs, BaseDeviceMemoryBuffer[] outputs, Cuda.Stream stream)	Asynchronously decompress a batch of buffers