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Sharing CUDA Memory

Sharing between process

Export device array to another process

A device array can be shared with another process in the same machine using the CUDA IPC API. To do so, use the .get_ipc_handle() method on the device array to get a IpcArrayHandle object, which can be transferred to another process.

.. automethod:: numba.cuda.cudadrv.devicearray.DeviceNDArray.get_ipc_handle
    :noindex:


.. autoclass:: numba.cuda.cudadrv.devicearray.IpcArrayHandle
    :members: open, close

Import IPC memory from another process

The following function is used to open IPC handle from another process as a device array.

.. automethod:: numba.cuda.open_ipc_array