Hi,
Need to know why the performance on OFED is worst then the vanilla kernel

Jack - please check this
Sagi - do you have performance results of OFED 1.3 with Sinai DDR?
Can we compare them to OFED 1.2.5?

thanks,
Tziporet


Lukas Hejtmanek wrote:
On Tue, Nov 27, 2007 at 06:51:48PM +0200, Tziporet Koren wrote:
just found, that OFED 1.3a with 2.6.23 kernel runs at 2/3 speed compared to
2.6.23 kernel with built in driver. Any reason for this?
Which benchmark?

ib_rdma_bw
ib_send_bw
ibv_uc_pingpong

Which HCA?

Mellanox InfiniBand HCA, HCA.Cheetah-DDR.20.

Is it the same with ofed beta release?

Did you mean 1.3b? I have not tried it.


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