PetscDeviceCopyMode#

Describes the copy direction of a device-aware memcpy

Synopsis#

#include <petscdevicetypes.h> 
typedef enum {
  PETSC_DEVICE_COPY_HTOH,
  PETSC_DEVICE_COPY_DTOH,
  PETSC_DEVICE_COPY_HTOD,
  PETSC_DEVICE_COPY_DTOD,
  PETSC_DEVICE_COPY_AUTO,
} PetscDeviceCopyMode;

Values#

PETSC_DEVICE_COPY_HTOH - Copy from host memory to host memory
PETSC_DEVICE_COPY_DTOH - Copy from device memory to host memory
PETSC_DEVICE_COPY_HTOD - Copy from host memory to device memory
PETSC_DEVICE_COPY_DTOD - Copy from device memory to device memory
PETSC_DEVICE_COPY_AUTO - Infer the copy direction from the pointers

See Also#

PetscDeviceArrayCopy(), PetscDeviceMemcpy()

Level#

beginner

Location#

include/petscdevicetypes.h

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