dgmmgpu: dgmmgpu

In yuanli22/RCUDA: GPU Enabled BLAS, LAPACK, Statistical Functions and Random Number Generators

Description

This function performs the matrix-matrix multiplication C = A diag(x) or C = diag(x) A by using CUDA cublas function cublasDdgmm

Usage

dgmmgpu(sidemode = 1, A, x, C)

Arguments

sidemode	indicates whether the given matrix is on the left or right side in the matrix equation solved by a particular function. If sidemode == 1, the matrix is on the left side in the equation If sidemode == 2, the matrix is on the right side in the equation.
A	input matrix; list of R external GPU pointer and dimension
x	input vector; list of R external GPU pointer and dimension
C	input/output matrix; list of R external GPU pointer and dimension

Value

updated matrix C, a list consisting of

• ptr: GPU pointer

• m: matrix C's number of rows

• n: matrix C's number of columns

See Also

symmgpu

yuanli22/RCUDA documentation built on May 4, 2019, 6:35 p.m.