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Subject: Re: [OMPI devel] OpenMPI CUDA 5 readiness?
From: Dmitry N. Mikushin (maemarcus_at_[hidden])
Date: 2012-09-03 13:37:16


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.