Does OpenMPI always use SEND/RECV protocol between heterogeneous
processors with different endianness?
I tried btl_openib_flags to be 2 , 4 and 6 respectively to allowe RDMA,
but the bandwidth between the two heterogeneous nodes is slow, same as
the bandwidth when btl_openib_flags to be 1.
On Mon, 25 Aug 2008, Mi Yan wrote:
Does OpenMPI always use SEND/RECV protocol between heterogeneous
processors with different endianness?
I tried btl_openib_flags to be 2 , 4 and 6 respectively to allowe RDMA,
but the bandwidth between the two heterogeneous nodes is slow, same as
the bandwidth
Brian,
I'm using OpenMPI 1.2.6 (r17946). Could you plese check which
version works ? Thanks a lot,
Mi
"Brian W.
Barrett"
ent by: users-boun...@open-mpi.org
08/25/2008 01:44 PM
Please respond to
Open MPI Users
To
Open MPI Users
cc
Greg Rodgers/Poughkeepsie/IBM@IBMUS, Brad Benton/Austin/IBM@IBMUS
Subject
Re: [OMPI users] RDMA over IB between heterogenous processors with
different endianness
On Mon, 25 Aug 20
[IMAGE]
Open MPI Users
[IMAGE]
cc
[IMAGE]
Greg Rodgers/Poughkeepsie/IBM@IBMUS, Brad Benton/Austin/IBM@IBMUS
[IMAGE]
Subject
[IMAGE]
Re: [OMPI users] RDMA over IB between heterogenous processors with
different endianness
[IMAGE][IMAGE]
On Mon, 25 Aug 2008, Mi Yan wrote:
> Does OpenMPI always use SE