Peer Context Memory Access

cuCtxDisablePeerAccess cuCtxEnablePeerAccess cuDeviceCanAccessPeer

CUresult cuCtxDisablePeerAccess ( CUcontext  peerContext  )  Returns CUDA_ERROR_PEER_ACCESS_NOT_ENABLED if direct peer access has not yet been enabled from peerContext to the current context. Returns CUDA_ERROR_INVALID_CONTEXT if there is no current context, or if peerContext is not a valid context. Parameters: peerContext  - Peer context to disable direct access to Returns: CUDA_SUCCESS, CUDA_ERROR_DEINITIALIZED, CUDA_ERROR_NOT_INITIALIZED, CUDA_ERROR_PEER_ACCESS_NOT_ENABLED, CUDA_ERROR_INVALID_CONTEXT, Note: Note that this function may also return error codes from previous, asynchronous launches. See also: cuDeviceCanAccessPeer, cuCtxEnablePeerAccess