Creation of Inbound delivery while posting goods receipt

Hi All,

I am using FM GN_DELIVERY_CREATE to create inbound delivery while posting goods receipt(Migo). The FM is taking a lot of time (almost 15 seconds) for each line item to create inbound delivery.

Please help to find an alternate FM/BAPI to create inbound delivery for all line items at one go, and improve the performance. Attaching the code presently I am using.

Thanks & Regards,

Ramesh