Since PETSc does not use that format there, of course, has to be a time when you have duplicate memory.
Barry > On Jan 9, 2020, at 12:47 PM, Sam Guo <[email protected]> wrote: > > Dear PETSc dev team, > Suppose I have the matrix already in triplet format int int[] I, int[] J, > double[] A, Is possible to create petsc matrix using A without copying? I > like to avoid the duplicate memory if possible. > > Thanks, > Sam
