Justin --
Fair point. Can you work with Sylvain Jeaugey (at Nvidia) to submit a pull
request for this functionality?
Thanks.
> On Oct 18, 2016, at 2:26 PM, Justin Luitjens <jluitj...@nvidia.com> wrote:
>
> After looking into this a bit more it appears that the issue is I am building
> on a head node which does not have the driver installed. Building on back
> node resolves this issue. In CUDA 8.0 the NVML stubs can be found in the
> toolkit at the following path: ${CUDA_HOME}/lib64/stubs
>
> For 8.0 I’d suggest updating the configure/make scripts to look for nvml
> there and link in the stubs. This way the build is not dependent on the
> driver being installed and only the toolkit.
>
> Thanks,
> Justin
>
> From: users [mailto:users-boun...@lists.open-mpi.org] On Behalf Of Justin
> Luitjens
> Sent: Tuesday, October 18, 2016 9:53 AM
> To: users@lists.open-mpi.org
> Subject: [OMPI users] Problem building OpenMPI with CUDA 8.0
>
> I have the release version of CUDA 8.0 installed and am trying to build
> OpenMPI.
>
> Here is my configure and build line:
>
> ./configure --prefix=$PREFIXPATH --with-cuda=$CUDA_HOME --with-tm=
> --with-openib= && make && sudo make install
>
> Where CUDA_HOME points to the cuda install path.
>
> When I run the above command it builds for quite a while but eventually
> errors out wit this:
>
> make[2]: Entering directory
> `/home/jluitjens/Perforce/jluitjens_dtlogin_p4sw/sw/devrel/DevtechCompute/Internal/Tools/dtlogin/scripts/mpi/openmpi-1.10.1-gcc5.0_2014_11-cuda8.0/opal/tools/wrappers'
> CCLD opal_wrapper
> ../../../opal/.libs/libopen-pal.so: undefined reference to `nvmlInit_v2'
> ../../../opal/.libs/libopen-pal.so: undefined reference to
> `nvmlDeviceGetHandleByIndex_v2'
> ../../../opal/.libs/libopen-pal.so: undefined reference to
> `nvmlDeviceGetCount_v2'
>
>
> Any idea what I might need to change to get around this error?
>
> Thanks,
> Justin
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--
Jeff Squyres
jsquy...@cisco.com
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