why 16384 VPROCS and not more ?? (or) Maximum Supported AMP

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why 16384 VPROCS and not more ?? (or) Maximum Supported AMP

Hi All,

1) Maximum possible number of node supported by bynet is 512 (Future 2048) and each node can have 128 vprocs.so total number of vprocs possible is 65536 , but why 16384 Vprocs ??

Please help to clarify.

Thanks
Sakthi