[ofa-general] Issues to scale to 64K ranks.

Tang, Changqing changquing.tang at hp.com
Thu Oct 4 12:21:18 PDT 2007


When talking to run 64K processes, I noticed that, on connectX with 2.2
firmware,
ibv_devinfo only shows: max_qp: 65472, that means we can not create
65536 QPs on
this HCA, Is this max_qp on per process basis, or per HCA basis ?

How to increase this number ? any hardware/firmwire change needed ?


Thanks.




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