Function memcpy_peer_async 

pub fn memcpy_peer_async(
    dst: DevicePtr,
    dst_device: u32,
    src: DevicePtr,
    src_device: u32,
    count: usize,
    stream: CudaStream,
) -> CudaRtResult<()>

Asynchronously copy across devices on stream.

Mirrors cudaMemcpyPeerAsync.

Errors

Propagates driver errors.