Re: [OMPI users] CUDA GPU Direct RDMA support

2018-12-15 Thread Weicheng Xue
Akshay,

 Thank you very much!

Best regards,

Weicheng Xue

On Fri, Dec 14, 2018 at 8:06 PM Akshay Venkatesh 
wrote:

> These two links will likely be able to help you:
>
> http://www.mellanox.com/page/products_dyn?product_family=295&mtag=gpudirect
> https://github.com/Mellanox/nv_peer_memory
>
> On Fri, Dec 14, 2018 at 4:50 PM Weicheng Xue  wrote:
>
>> Hi all,
>>
>>  I am now having a GPU Direct issue. I loaded gcc/5.2.0,
>> openmpi-gdr/2.0.0, cuda/8.0.61, on two Nvidia P100 GPUs. The program I am
>> now testing is a very simple test code, having one GPU to send a buffer to
>> another GPU directly. After running with "mpirun -mca
>> btl_openib_want_cuda_gdr 1 -np 2 ./executable", the terminal returned "You
>> requested to run with CUDA GPU Direct RDMA support but this OFED
>> installation does not have that support.  Contact Mellanox to figure out
>> how to get an OFED stack with that support." I am wondering how to fix this
>> issue. Thank you very much!
>>
>> Best Regards,
>>
>> Weicheng Xue
>> ___
>> users mailing list
>> users@lists.open-mpi.org
>> https://lists.open-mpi.org/mailman/listinfo/users
>
>
>
> --
> -Akshay
> NVIDIA
> ___
> users mailing list
> users@lists.open-mpi.org
> https://lists.open-mpi.org/mailman/listinfo/users
___
users mailing list
users@lists.open-mpi.org
https://lists.open-mpi.org/mailman/listinfo/users

Re: [OMPI users] CUDA GPU Direct RDMA support

2018-12-14 Thread Akshay Venkatesh
These two links will likely be able to help you:

http://www.mellanox.com/page/products_dyn?product_family=295&mtag=gpudirect
https://github.com/Mellanox/nv_peer_memory

On Fri, Dec 14, 2018 at 4:50 PM Weicheng Xue  wrote:

> Hi all,
>
>  I am now having a GPU Direct issue. I loaded gcc/5.2.0,
> openmpi-gdr/2.0.0, cuda/8.0.61, on two Nvidia P100 GPUs. The program I am
> now testing is a very simple test code, having one GPU to send a buffer to
> another GPU directly. After running with "mpirun -mca
> btl_openib_want_cuda_gdr 1 -np 2 ./executable", the terminal returned "You
> requested to run with CUDA GPU Direct RDMA support but this OFED
> installation does not have that support.  Contact Mellanox to figure out
> how to get an OFED stack with that support." I am wondering how to fix this
> issue. Thank you very much!
>
> Best Regards,
>
> Weicheng Xue
> ___
> users mailing list
> users@lists.open-mpi.org
> https://lists.open-mpi.org/mailman/listinfo/users



-- 
-Akshay
NVIDIA
___
users mailing list
users@lists.open-mpi.org
https://lists.open-mpi.org/mailman/listinfo/users