[Mvapich-discuss] Using MVAPICH2 with sharp protocol.

[Shineman, Nat]

Hi Neeraj,

Please take a look at section 6.27 of our userguide here: https://mvapich.cse.ohio-state.edu/userguide. It looks like you just missed the configure time flag `--enable-sharp` while configuring MVAPICH2. Once you add this flag you should be able to use the environment variable MV2_ENALBE_SHARP=1 to run with SHARP support. Please let us know if you have any issues after adding this configure flag.

Thanks,
Nat
________________________________
From: Mvapich-discuss <mvapich-discuss-bounces+shineman.5=osu.edu at lists.osu.edu> on behalf of Neeraj singh via Mvapich-discuss <mvapich-discuss at lists.osu.edu>
Sent: Wednesday, October 20, 2021 23:49
To: mvapich-discuss at lists.osu.edu <mvapich-discuss at lists.osu.edu>
Subject: [Mvapich-discuss] Using MVAPICH2 with sharp protocol.

Dear Sir/Ma'am,

I am trying to use the CVAR for enabling the SHARP protocol. But it seems that special configurations are required for using the SHARP with mvapich2. After following the document I am not able to configure it.
Configuration command:  ./configure --prefix=<location> --with-device=ch3:mrail --with-rdma=gen2 --enable-mpit-pvars=all LDFLAGS="-Wl,-rpath,/opt/nvidia/hpc_sdk/Linux_x86_64/21.7/comm_libs/hpcx/hpcx-2.8.1/sharp/lib/ -L/opt/nvidia/hpc_sdk/Linux_x86_64/21.7/comm_libs/hpcx/hpcx-2.8.1/sharp/lib/ -lsharp -lsharp_coll" CFLAGS="-I/opt/nvidia/hpc_sdk/Linux_x86_64/21.7/comm_libs/hpcx/hpcx-2.8.1/sharp/include/sharp/"

Can you please tell me the steps for configuring the MVAPICH2 with the SHARP protocol?

Thanks and Regards
Neeraj Singh


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