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Subject: Re: [OMPI devel] OpenMPI CUDA 5 readiness?
From: Rolf vandeVaart (rvandevaart_at_[hidden])
Date: 2012-09-04 10:16:35


Hello Dimitry:

Thanks for the information. I am hoping the VampirTrace folks can comment on this since the issue seems to be in areas of the code they work in.

>-----Original Message-----
>From: Dmitry N. Mikushin [mailto:maemarcus_at_[hidden]]
>Sent: Monday, September 03, 2012 1:37 PM
>To: Rolf vandeVaart
>Cc: devel_at_[hidden]
>Subject: Re: OpenMPI CUDA 5 readiness?
>
>CUDA 5 basically changes char* to void* in some functions. Attached is a small
>patch which changes prototypes, depending on used CUDA version. Tested
>with CUDA 5 preview and 4.2.
>
>- D.
>
>2012/9/2 Dmitry N. Mikushin <maemarcus_at_[hidden]>:
>> Dear Rolf,
>>
>> FYI, looks like with CUDA 5 preview OpenMPI trunk fails to build due
>> to the following errors:
>>
>> $ svn info
>> Path: .
>> URL: http://svn.open-mpi.org/svn/ompi/trunk
>> Repository Root: http://svn.open-mpi.org/svn/ompi Repository UUID:
>> 63e3feb5-37d5-0310-a306-e8a459e722fe
>> Revision: 27216
>> Node Kind: directory
>> Schedule: normal
>> Last Changed Author: alekseys
>> Last Changed Rev: 27216
>> Last Changed Date: 2012-09-02 15:17:49 +0200 (Sun, 02 Sep 2012)
>>
>> $ ../configure --prefix=$RPM_BUILD_ROOT/opt/kernelgen
>> --disable-mpi-interface-warning --with-cuda=/opt/cuda
>> --with-cuda-libdir=/usr/lib
>>
>> $ make -j8
>> ...
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:145:14:
>> error: conflicting types for 'cudaGetSymbolAddress'
>> /usr/local/cuda/include/cuda_runtime_api.h:4261:39: note: previous
>> declaration of 'cudaGetSymbolAddress' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:164:14:
>> error: conflicting types for 'cudaGetSymbolSize'
>> /usr/local/cuda/include/cuda_runtime_api.h:4283:39: note: previous
>> declaration of 'cudaGetSymbolSize' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:392:14:
>> error: conflicting types for 'cudaGetTextureReference'
>> /usr/local/cuda/include/cuda_runtime_api.h:5060:39: note: previous
>> declaration of 'cudaGetTextureReference' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:501:14:
>> error: conflicting types for 'cudaFuncGetAttributes'
>> /usr/local/cuda/include/cuda_runtime_api.h:2242:58: note: previous
>> declaration of 'cudaFuncGetAttributes' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:969:14:
>> error: conflicting types for 'cudaGetSurfaceReference'
>> /usr/local/cuda/include/cuda_runtime_api.h:5112:39: note: previous
>> declaration of 'cudaGetSurfaceReference' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudartwrap.c:1565:14:
>> error: conflicting types for 'cudaFuncSetSharedMemConfig'
>> /usr/local/cuda/include/cuda_runtime_api.h:2173:39: note: previous
>> declaration of 'cudaFuncSetSharedMemConfig' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudart.c:2294:14: error:
>> conflicting types for 'cudaMemcpyToSymbol'
>> /usr/local/cuda/include/cuda_runtime_api.h:3608:39: note: previous
>> declaration of 'cudaMemcpyToSymbol' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudart.c:2310:14: error:
>> conflicting types for 'cudaMemcpyFromSymbol'
>> /usr/local/cuda/include/cuda_runtime_api.h:3643:39: note: previous
>> declaration of 'cudaMemcpyFromSymbol' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudart.c:2423:14: error:
>> conflicting types for 'cudaMemcpyToSymbolAsync'
>> /usr/local/cuda/include/cuda_runtime_api.h:3990:39: note: previous
>> declaration of 'cudaMemcpyToSymbolAsync' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudart.c:2439:14: error:
>> conflicting types for 'cudaMemcpyFromSymbolAsync'
>> /usr/local/cuda/include/cuda_runtime_api.h:4032:39: note: previous
>> declaration of 'cudaMemcpyFromSymbolAsync' was here
>> ../../../../../../ompi/contrib/vt/vt/vtlib/vt_cudart.c:2534:14: error:
>> conflicting types for 'cudaLaunch'
>> /usr/local/cuda/include/cuda_runtime_api.h:2209:39: note: previous
>> declaration of 'cudaLaunch' was here
>>
>> Best regards,
>> - Dima.
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