petsc-3.9.4 2018-09-11

PetscOffloadFlag

indicates which memory (CPU, GPU, or none contains valid vector

typedef enum {PETSC_OFFLOAD_UNALLOCATED,PETSC_OFFLOAD_GPU,PETSC_OFFLOAD_CPU,PETSC_OFFLOAD_BOTH} PetscOffloadFlag;

PETSC_OFFLOAD_UNALLOCATED - no memory contains valid matrix entries; NEVER used for vectors PETSC_OFFLOAD_GPU - GPU has valid vector/matrix entries PETSC_OFFLOAD_CPU - CPU has valid vector/matrix entries PETSC_OFFLOAD_BOTH - Both GPU and CPU have valid vector/matrix entries and they match

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