Barry Smith <[email protected]> writes: >> On Aug 24, 2017, at 7:42 PM, Jed Brown <[email protected]> wrote: >> >> "Jose E. Roman" <[email protected]> writes: >> >>>> El 24 ago 2017, a las 22:51, Greg Meyer <[email protected]> escribió: >>>> >>>> Hi, >>>> >>>> I have written a shell matrix for non-standard vectors (CUDA to be >>>> specific) that works great. MatMult and MatNorm perform as they should. >>>> However, when I try to use it in a SLEPc algorithm, it breaks because >>>> MatCreateVecs yields standard vectors even if I set "-vec_type cuda". >>>> Looking through the source etc. it seems that MatShellSetOperation can't >>>> be used to implement a new MatCreateVecs function (MATOP_CREATEVECS does >>>> not exist). Is there a way to change the type of vector that comes from >>>> MatCreateVecs for shell matrices? >>>> >>>> Thanks in advance, >>>> Greg >>> >>> It is MATOP_GET_VECS. If you implement this operation, most SLEPc >>> functionality should work with CUDA. >>> >>> PETSc developers: shouldn't MATOP_GET_VECS be renamed to MATOP_CREATE_VECS ? >> >> Yes, in their eagerness to rename interfaces, > > You mean, eagerness to improve PETSc
Exactly.
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