PetscDeviceCreate

Get a new handle for a particular device (often a GPU) type

Synopsis

#include <petscdevice.h> 
PetscErrorCode PetscDeviceCreate(PetscDeviceType type, PetscInt devid, PetscDevice *device)

Not Collective

Input Parameters

• type - The type of PetscDevice

• devid - The numeric ID# of the device (pass PETSC_DECIDE to assign automatically)

Output Parameter

• device - The PetscDevice

Notes

This routine may initialize PetscDevice. If this is the case, it may cause some sort of device synchronization.

devid is what you might pass to cudaSetDevice() for example.

See Also

PetscDevice, PetscDeviceInitType, PetscDeviceInitialize(), PetscDeviceInitialized(), PetscDeviceConfigure(), PetscDeviceView(), PetscDeviceDestroy()

Level

beginner

Location

src/sys/objects/device/interface/device.cxx

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