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List: vtkusers
Subject: Re: [vtkusers] compiling VTK against CUDA 4.2
From: "Cook, Rich" <cook47 () llnl ! gov>
Date: 2012-07-31 16:16:42
Message-ID: 4891615B-952E-442A-BB9F-2EBB16FD2E09 () llnl ! gov
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I see. OK, well, thank you both very much for the information! :-) Saves me a lot \
of time.
-- Rich
On Jul 31, 2012, at 6:26 AM, David E DeMarle wrote:
> I don't think that file in VTK is meant to be compiled against CUDA as
> it stands. It does appear to have code in it that came from something
> that could be compiled with nvcc but I am guessing those code paths
> are unused in VTK.
>
> The only part of VTK that I am aware of that uses CUDA is the brand new
> Accelerators/Piston module. It is in current git master (post VTK
> 5.10). Look at it's CMakeLists.txt to see how code that uses CUDA can
> be brought into VTK.
>
> And I think that Dženan is right. The message you are getting means
> that CMake isn't able to use nvcc directly as a replacement for
> gcc/icc/vs/what_have_you. Compiling CMake itself with nvcc isn't the
> right path to follow.
>
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
>
> On Tue, Jul 31, 2012 at 4:12 AM, Dženan Zukić <dzenanz@gmail.com> wrote:
> > Even if you did somehow succeed at building CMake using nvcc, it would make
> > no difference. What that error is saying is: nvcc cannot compile even a
> > simple C Hello World.
> >
> > I know that efficient interfacing between a scenegraph library and CUDA is
> > not simple.
> >
> > On Tue, Jul 31, 2012 at 3:18 AM, Cook, Rich <cook47@llnl.gov> wrote:
> > >
> > > Hello
> > > I'm new to the list and apologize if this is obvious or seen before. I
> > > Googled around a bit for the answer but cannot find it.
> > >
> > > My question seemed simple before I tried it. How does one compile VTK in
> > > order to use CUDA? A user of mine requested this; I'm not a VTK expert and
> > > am not sure specifically what she plans to do with the result.
> > >
> > > I see CUDA stuff like this in the source, making me think this should be
> > > possible and the question at least makes sense to ask:
> > >
> > > ../VTK/Graphics/vtkYoungsMaterialInterface.cxx:77204:#ifdef __CUDACC__
> > >
> > > So, I tried a naive approach:
> > >
> > > export CC=nvcc
> > > export CXX=nvcc
> > > export CPP=nvcc
> > >
> > > mkdir vtk-build
> > > cd vtk-build
> > > cmake ../VTK
> > >
> > > cmake fails as follows, making me think maybe I have to build CMake with
> > > nvcc as well? That would be a bit ugly, but I just want to make sure I'm
> > > going down the right path.
> > > Any help is greatly appreciated.
> > >
> > > rcook@edge84 (vtk-build): cmake ../VTK/
> > > -- The C compiler identification is GNU
> > > -- The CXX compiler identification is GNU
> > > -- Check for working C compiler: /opt/cudatoolkit-4.2/bin/nvcc
> > > -- Check for working C compiler: /opt/cudatoolkit-4.2/bin/nvcc -- broken
> > > CMake Error at
> > > /collab/usr/global/tools/Kitware/CMake/2.8.7/chaos_5_x86_64_ib/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52
> > > (MESSAGE):
> > > The C compiler "/opt/cudatoolkit-4.2/bin/nvcc" is not able to compile a
> > > simple test program.
> > >
> > > It fails with the following output:
> > >
> > > Change Dir: /nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp
> > >
> > >
> > >
> > > Run Build Command:/usr/bin/gmake "cmTryCompileExec/fast"
> > >
> > > /usr/bin/gmake -f CMakeFiles/cmTryCompileExec.dir/build.make
> > > CMakeFiles/cmTryCompileExec.dir/build
> > >
> > > gmake[1]: Entering directory
> > > `/nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp'
> > >
> > > /collab/usr/global/tools/Kitware/CMake/2.8.7/chaos_5_x86_64_ib/bin/cmake
> > > -E
> > > cmake_progress_report
> > > /nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp/CMakeFiles 1
> > >
> > > Building C object CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o
> > > /opt/cudatoolkit-4.2/bin/nvcc -o
> > > CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -c
> > > /nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp/testCCompiler.c
> > >
> > > Linking C executable cmTryCompileExec
> > >
> > > /collab/usr/global/tools/Kitware/CMake/2.8.7/chaos_5_x86_64_ib/bin/cmake
> > > -E
> > > cmake_link_script CMakeFiles/cmTryCompileExec.dir/link.txt --verbose=1
> > >
> > > /opt/cudatoolkit-4.2/bin/nvcc
> > > CMakeFiles/cmTryCompileExec.dir/testCCompiler.c.o -o cmTryCompileExec
> > > -rdynamic
> > >
> > > nvcc fatal : Unknown option 'rdynamic'
> > >
> > > gmake[1]: *** [cmTryCompileExec] Error 255
> > >
> > > gmake[1]: Leaving directory
> > > `/nfs/tmp2/rcook/VTK/5.10/vtk-build/CMakeFiles/CMakeTmp'
> > >
> > > gmake: *** [cmTryCompileExec/fast] Error 2
> > >
> > >
> > >
> > >
> > >
> > > CMake will not be able to correctly generate this project.
> > > Call Stack (most recent call first):
> > > CMakeLists.txt:15 (PROJECT)
> > >
> > >
> > >
> > > --
> > > ✐Richard Cook
> > > ✇ Lawrence Livermore National Laboratory
> > > Bldg-453 Rm-4024, Mail Stop L-557
> > > 7000 East Avenue, Livermore, CA, 94550, USA
> > > ☎ (office) (925) 423-9605
> > > ☎ (fax) (925) 423-6961
> > > ---
> > > Information Management & Graphics Grp., Services & Development Div.,
> > > Integrated Computing & Communications Dept.
> > > (opinions expressed herein are mine and not those of LLNL)
> > >
> > >
> > >
> > > _______________________________________________
> > > Powered by www.kitware.com
> > >
> > > Visit other Kitware open-source projects at
> > > http://www.kitware.com/opensource/opensource.html
> > >
> > > Please keep messages on-topic and check the VTK FAQ at:
> > > http://www.vtk.org/Wiki/VTK_FAQ
> > >
> > > Follow this link to subscribe/unsubscribe:
> > > http://www.vtk.org/mailman/listinfo/vtkusers
> >
> >
> >
> > _______________________________________________
> > Powered by www.kitware.com
> >
> > Visit other Kitware open-source projects at
> > http://www.kitware.com/opensource/opensource.html
> >
> > Please keep messages on-topic and check the VTK FAQ at:
> > http://www.vtk.org/Wiki/VTK_FAQ
> >
> > Follow this link to subscribe/unsubscribe:
> > http://www.vtk.org/mailman/listinfo/vtkusers
> >
--
✐Richard Cook
✇ Lawrence Livermore National Laboratory
Bldg-453 Rm-4024, Mail Stop L-557
7000 East Avenue, Livermore, CA, 94550, USA
☎ (office) (925) 423-9605
☎ (fax) (925) 423-6961
---
Information Management & Graphics Grp., Services & Development Div., Integrated \
Computing & Communications Dept. (opinions expressed herein are mine and not those of \
LLNL)
_______________________________________________
Powered by www.kitware.com
Visit other Kitware open-source projects at \
http://www.kitware.com/opensource/opensource.html
Please keep messages on-topic and check the VTK FAQ at: \
http://www.vtk.org/Wiki/VTK_FAQ
Follow this link to subscribe/unsubscribe:
http://www.vtk.org/mailman/listinfo/vtkusers
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