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 and Description
class	CudaMemoryBuffer This class represents data allocated using `cudaMalloc` directly instead of the default RMM memory resource.
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 and Description
BaseDeviceMemoryBuffer	ColumnView.getData() Gets the data buffer for the current column view (viewHandle).
BaseDeviceMemoryBuffer	ColumnVector.OffHeapState.getData()
BaseDeviceMemoryBuffer	ColumnVector.getDeviceBufferFor(BufferType type) Get access to the raw device buffer for this column.
BaseDeviceMemoryBuffer	ColumnView.getOffsets()
BaseDeviceMemoryBuffer	ColumnVector.OffHeapState.getOffsets()
BaseDeviceMemoryBuffer	ColumnView.getValid()
BaseDeviceMemoryBuffer	ColumnVector.OffHeapState.getValid()

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

Modifier and Type	Method and Description
static long	CuFile.appendDeviceBufferToFile(File path, BaseDeviceMemoryBuffer buffer) Append a device buffer to a given file path synchronously.
void	HostMemoryBuffer.copyFromDeviceBuffer(BaseDeviceMemoryBuffer deviceMemoryBuffer) Synchronously copy from a DeviceMemoryBuffer to a HostMemoryBuffer
void	HostMemoryBuffer.copyFromDeviceBuffer(BaseDeviceMemoryBuffer deviceMemoryBuffer, Cuda.Stream stream) Copy from a DeviceMemoryBuffer to a HostMemoryBuffer using the specified stream.
void	HostMemoryBuffer.copyFromDeviceBufferAsync(BaseDeviceMemoryBuffer deviceMemoryBuffer, Cuda.Stream stream) Copy from a DeviceMemoryBuffer to a HostMemoryBuffer using the specified stream.
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.
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

Constructor and 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 and 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
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
static void	BatchedLZ4Decompressor.decompressAsync(long chunkSize, BaseDeviceMemoryBuffer[] origInputs, BaseDeviceMemoryBuffer[] outputs, Cuda.Stream stream) Asynchronously decompress a batch of buffers