Re: [PATCH 0/2] Performance Improvents for Secured Mode NVMe over Fabrics and other RDMA ULPs

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On 10/29/2017 6:59 PM, Sagi Grimberg wrote:
Hi Idan,

One minor nit, there is no "secured mode", its the normal sane
mode. The other mode compromises insecurity for performance.

The following two patches are including performance
optimizations for RDMA kernel ULPs that register/invalidate
per IO (e.g. NVMe over Fabrics, iSER, NFS RDMA). The patches
improve the IOPs could be achieved by a single network
adapter with the above ULPs, specifically for NVMe over
Fabrics the IOPs have improved x5 for small IO reads could
be achieved in Linux using a single network adapter.

That is very good! Thanks for doing this!
You should note that its mlx5 specific enhancement, which is
an important device, but its not a performance improvement for
RDMA ULPs as it is.

Sagi,

the subject refers to both patches :)
And it mentions that more improvements are in the pipe, that will improve the small write IOs for NVMEoF (at first stage).


What about mlx4 btw?

We still haven't try to improve the mlx4, but it's on our plate.


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