[mvapich-discuss] mvapich2 either with Intel TrueScale IB or no IB at all

[Hari Subramoni]

Hello Frank,

MVAPICH2 has supported the Intel TrueScale (a.k.a. QLogic PSM) interface
for several years now. You should be able to use it using the configure
flag "--with-device=ch3:psm" instead of " --with-device=ch3:mrail".

Please refer to the following link of the MVAPICH2 userguide for more
details.

http://mvapich.cse.ohio-state.edu/static/media/mvapich/mvapich2-2.2rc1-userguide.html#x1-170004.8

The latest release of MVAPICH2 (2.2rc1) also has support for the Omni-Path
series of HCAs from Intel.

Please refer to the following link of the MVAPICH2 userguide for more
details.

http://mvapich.cse.ohio-state.edu/static/media/mvapich/mvapich2-2.2rc1-userguide.html#x1-180004.9

Please let us know if you face any issues with installing or running
MVAPICH2 for either of these interfaces and we will be happy to help you.

Regards,
Hari.

On Thu, Apr 28, 2016 at 4:26 PM, Frank Winter <fwinter at jlab.org> wrote:

> Hi all,
>
> I try to install mvapich2-2.2rc1 on a system that only has Intel TrueScale
> IB. Some searching about it gave me the impression that this is not really
> supported yet. However, for now I only require the basic functionality of
> the MPI wrappers (SMP is enough). Thus I'd like to build mvapich2 with SMP
> support only. Unfortunately the system I am on hasn't got the 'libibverbs'
> installed, and I was hoping to not need it since I am not root on that
> system. However, configuring mvapich2 with
>
>     --enable-fortran=no \
>     --with-device=ch3:mrail \
>     --with-rdma=gen2 \
>
> gives
>
> configure: error: 'libibverbs not found. Did you specify
> --with-ib-libpath=?'
> make: *** No targets specified and no makefile found.  Stop.
> make: *** No rule to make target `install'.  Stop.
>
> Can I completely disable all Infiniband functions such that this library
> is not needed?
>
> Regards,
> Frank
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