It seems yes, from mump manual
ICNTL(9) computes the solution using A or AT Phase: accessed by the host during the solve phase. Possible values : 1 : AX = B is solved. != 1 : ATX = B is solved. On Thu, Aug 4, 2022 at 4:20 PM Barry Smith <[email protected]> wrote: > > Yes, it appears no MUMPS matmatsolvetranspose is wired in. Does MUMPS > provide such a function? If so it can be added with a few lines of code. > > Barry > > > On Aug 4, 2022, at 3:55 PM, Lucas Banting <[email protected]> wrote: > > Hello, > > I am using MUMPS to solve a system with multiple right hand sides. > I have noticed that the MatMatSolve function appears to be quite a bit > faster than the MatMatSolveTranspose function. > I was trying to look through the petsc source to see where the > MatMatSolveTranspose_MUMPS function was but couldn't find it. > > Is PETSc just doing MatSolveTranspose_MUMPS for each right hand side when > doing MatMatSolveTranspose with MUMPS? > If an accelerated version of MatMatSolveTranspose existed, it would be > very useful for my application. > > Regards, > Lucas > > >
