[Mvapich-discuss] ch3:nemesis mvapich2-2.3.7-1 compile error

Chuck Cranor chuck at ece.cmu.edu
Sat Mar 9 12:58:09 EST 2024


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Hi Hari-

    We've got an older ~600 node Cray connected by an Intel/Qlogic TrueScale
12800-360 Infiniband switch which uses psm via ch3:psm.  The MVAPICH
download page indicates we should use legacy 2.3.7 instead of 3.0.
is that correct?   

    we sometimes use ch3:nemesis in addition to ch3:psm in order to
route MPI over ipoib when we have apps that want to use PSM directly
via the libpsm_infinipath.so library.

    be happy to switch to MVAPICH 3.0 if it now works with psm
libpsm_infinipath.so.

chuck


On Sat, Mar 09, 2024 at 05:12:17PM +0000, Subramoni, Hari wrote:
> The ch3:nemesis has been deprecated. Please use the latest MVAPICH 3.0 for best performance and functionality.
> 
> Thx,
> Hari.



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