Arlin Davis wrote:
> Or Gerlitz wrote:

>> I see now that the uDAPL CMA provider code uses the MTU 1:1 as 
>> returned by the SM in the path, so if the env is made of the Mellanox 
>> PCI-X HCA there can be big BW drop, etc... we have discussed that.
>> I wonder how are you overcoming this when running Intel MPI w. OFED 1.0?

> We are not. The problem exists with the CMA provider and OFED 1.0.

mmm, I see.

>> Also, i understand that OFED includes the uDAPL **SCM** provider, is 
>> it really tested/supported? if yes, i don't think it needs to be. It 
>> adds the overhead of one TCP connection per IB connection, creates two 
>> codes bases to maintain, makes the CMA less tested, you named it.
>> If its not tested/supported sure we must not provide it.
>> If you agree would you approach the OFED maintainers to remove the SCM 
>> provider from the udapl OFED 1.1 RPM?

> You are correct. There is no need to support SCM moving forward.

Lets move now, i have got disconnect problems/bug report from customer 
using the OFED/uDAPL/SCM provider, and i realize now its an unsupported 
library! please act to remove it from OFED 1.1 and on.

thanks,

Or.



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