Uses of Class
org.apache.sysds.runtime.instructions.gpu.context.CSRPointer
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Packages that use CSRPointer Package Description org.apache.sysds.runtime.controlprogram.context org.apache.sysds.runtime.instructions.gpu.context -
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Uses of CSRPointer in org.apache.sysds.runtime.controlprogram.context
Methods in org.apache.sysds.runtime.controlprogram.context that return CSRPointer Modifier and Type Method Description CSRPointerExecutionContext. getGPUSparsePointerAddress(MatrixObject obj) -
Uses of CSRPointer in org.apache.sysds.runtime.instructions.gpu.context
Methods in org.apache.sysds.runtime.instructions.gpu.context that return CSRPointer Modifier and Type Method Description static CSRPointerCSRPointer. allocateEmpty(GPUContext gCtx, long nnz2, long rows)static CSRPointerCSRPointer. allocateEmpty(GPUContext gCtx, long nnz2, long rows, boolean initialize)Factory method to allocate an empty CSR Sparse matrix on the GPUstatic CSRPointerCSRPointer. allocateForDgeam(GPUContext gCtx, jcuda.jcusparse.cusparseHandle handle, CSRPointer A, CSRPointer B, int m, int n)Estimates the number of non zero elements from the results of a sparse cusparseDgeam operation C = a op(A) + b op(B)static CSRPointerCSRPointer. allocateForMatrixMultiply(GPUContext gCtx, jcuda.jcusparse.cusparseHandle handle, CSRPointer A, int transA, CSRPointer B, int transB, int m, int n, int k)Estimates the number of non-zero elements from the result of a sparse matrix multiplication C = A * B and returns theCSRPointerto C with the appropriate GPU memory.CSRPointerCSRPointer. clone(int rows)static CSRPointerGPUObject. columnMajorDenseToRowMajorSparse(GPUContext gCtx, jcuda.jcusparse.cusparseHandle cusparseHandle, jcuda.Pointer densePtr, int rows, int cols)Convenience method to convert a CSR matrix to a dense matrix on the GPU Since the allocated matrix is temporary, bookkeeping is not updated.CSRPointerGPUObject. getJcudaSparseMatrixPtr()Pointer to sparse matrixCSRPointerGPUObject. getSparseMatrixCudaPointer()Convenience method to directly examine the Sparse matrix on GPUMethods in org.apache.sysds.runtime.instructions.gpu.context with parameters of type CSRPointer Modifier and Type Method Description static CSRPointerCSRPointer. allocateForDgeam(GPUContext gCtx, jcuda.jcusparse.cusparseHandle handle, CSRPointer A, CSRPointer B, int m, int n)Estimates the number of non zero elements from the results of a sparse cusparseDgeam operation C = a op(A) + b op(B)static CSRPointerCSRPointer. allocateForMatrixMultiply(GPUContext gCtx, jcuda.jcusparse.cusparseHandle handle, CSRPointer A, int transA, CSRPointer B, int transB, int m, int n, int k)Estimates the number of non-zero elements from the result of a sparse matrix multiplication C = A * B and returns theCSRPointerto C with the appropriate GPU memory.static voidCSRPointer. copyPtrToHost(CSRPointer src, int rows, long nnz, int[] rowPtr, int[] colInd)Static method to copy a CSR sparse matrix from Device to hoststatic voidCSRPointer. copyToDevice(GPUContext gCtx, CSRPointer dest, int rows, long nnz, int[] rowPtr, int[] colInd, double[] values)Static method to copy a CSR sparse matrix from Host to DevicevoidGPUObject. setSparseMatrixCudaPointer(CSRPointer sparseMatrixPtr)Convenience method to directly set the sparse matrix on GPU Needed for operations like cusparseDcsrgemm(cusparseHandle, int, int, int, int, int, cusparseMatDescr, int, Pointer, Pointer, Pointer, cusparseMatDescr, int, Pointer, Pointer, Pointer, cusparseMatDescr, Pointer, Pointer, Pointer)
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