[gmx-developers] Building GROMACS 5.1/2016 with OpenCL on NVIDA CUDA 6

[Szilárd Páll]

Indeed, that's a good guess, IIRC OpenCL 1.2 was introduced sometime last
year with a driver API v7.0, I think

(trivia: it took only about 4 years for them to implement it counting only
from the release of the standard though they're on the committee).

On Wed, May 11, 2016 at 5:39 PM, Mark Abraham <mark.j.abraham at gmail.com>
wrote:

> Hi,
>
> Offhand that looks like CUDA 6 doesn't support the OpenCL 1.2 API, but how
> such a situation arises I am not sure.
>
> Mark
>
> On Wed, May 11, 2016 at 4:17 PM Vedran Miletić <rivanvx at gmail.com> wrote:
>
>> Hi all,
>>
>> I am aware this is not a supported configuration. I am using Debian 8 and
>> CUDA 6 from Debian repos. When compiling with
>>
>> $ cmake -DGMX_GPU=ON -DGMX_USE_OPENCL=ON ..
>>
>> I get
>>
>> Linking CXX shared library ../../lib/libgromacs.so
>> [100%] Built target libgromacs
>> Scanning dependencies of target template
>> Scanning dependencies of target gmx
>> [100%] [100%] [100%] Building CXX object
>> src/programs/CMakeFiles/gmx.dir/legacymodules.cpp.o
>> Building CXX object src/programs/CMakeFiles/gmx.dir/gmx.cpp.o
>> Building CXX object share/template/CMakeFiles/template.dir/template.cpp.o
>> Linking CXX executable ../../bin/template
>> Linking CXX executable ../../bin/gmx
>> ../../lib/libgromacs.so.1.2.0: undefined reference to
>> `clEnqueueBarrierWithWaitList'
>> ../../lib/libgromacs.so.1.2.0: undefined reference to
>> `clEnqueueMarkerWithWaitList'
>> ../../lib/libgromacs.so.1.2.0: undefined reference to
>> `clEnqueueBarrierWithWaitList'
>> ../../lib/libgromacs.so.1.2.0: undefined reference to
>> `clEnqueueMarkerWithWaitList'
>> collect2: error: ld returned 1 exit status
>> collect2: error: ld returned 1 exit status
>> share/template/CMakeFiles/template.dir/build.make:95: recipe for target
>> 'bin/template' failed
>> src/programs/CMakeFiles/gmx.dir/build.make:134: recipe for target
>> 'bin/gmx' failed
>> make[2]: *** [bin/template] Error 1
>> make[2]: *** [bin/gmx] Error 1
>> CMakeFiles/Makefile2:3648: recipe for target
>> 'src/programs/CMakeFiles/gmx.dir/all' failed
>> make[1]: *** [src/programs/CMakeFiles/gmx.dir/all] Error 2
>> make[1]: *** Waiting for unfinished jobs....
>> CMakeFiles/Makefile2:1723: recipe for target
>> 'share/template/CMakeFiles/template.dir/all' failed
>> make[1]: *** [share/template/CMakeFiles/template.dir/all] Error 2
>> Makefile:147: recipe for target 'all' failed
>> make: *** [all] Error 2
>>
>> Does CUDA 6 not provide the required functionality for GROMACS OpenCL to
>> work? CUDA 7.5 works fine.
>>
>> Regards,
>> Vedran
>> --
>> Vedran Miletić
>> http://vedranmileti.ch/
>> --
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>
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