[mvapich-discuss] performance impact of ch3:mrail and ch3:nemesis:ib, tcp

[Jianyu Liu]

Hi,
 
There are two sorts of configurations for building for OFA-IB.  
 
Just wondering 
 
   1.  Any performance impact for these two sorts of builds?
 
             bld 1 ).   ./configure --with-device=ch3:mrail  --with-rdma=gen2
 
             bld 2 ).   ./configure --with-device=ch3:nemesis:ib,tcp 
 
  2. How to find the proper rdma type?
 
Appreciating your kindly help
 
Jianyu


 		 	   		  
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