On Wed, Jun 23, 2021 at 10:44 AM Junchao Zhang <junchao.zh...@gmail.com> wrote:
> Use VecGetArrayRead/Write() to get up-to-date host pointers to the vector > array. > Humm, well HDF5 uses that now. I have to dig deeper. > > --Junchao Zhang > > > On Wed, Jun 23, 2021 at 9:15 AM Mark Adams <mfad...@lbl.gov> wrote: > >> First, there seem to be two pages for VecGetArrayAndMemType (one has a >> pointer to the other). >> >> So I need to get a CPU array for HDF5 viewing. Totally broken for devices. >> >> I don't find a VecGetArrayCpu[HOST] that does the right thing. >> >> Perhaps have VecGetArrayAndMemType return a valid CPU pointer when >> "mtype==NULL"? >> >> Mark >> >
