[Rtk-users] building CUDA

[Yang-Kyun Park]

hi howard,
use following options for fwd and bkward projection

--fp CudaRayCast
--bp CudaVoxelBased

Yang
On Feb 12, 2015 1:37 PM, "Howard" <lomahu at gmail.com> wrote:

> When I did the following:
>
> CUDA_HAVE_GPU  ON
> CUDA_BUILD_CUBIN OFF ( this removed the errors I reported in last posting)
> CUDA_HOST_COMPILATION_CPP ON (following Yang K Park's screenshot)
>
> building was successful. I could run
>
> rtkfdk --hardware cuda -r ... ((Is this the correct way of running fdk
> using cuda?)
>
> with successful reconstruction. It's done in < 15s, wow!
>
> A separate question: how to specify cuda for rtksart,
> rtkadmmwavelets, rtkadmmtotalvariations etc?
>
> Thanks,
> -howard
>
>
>
>
>
>
>
>
>
>
> On Thu, Feb 12, 2015 at 12:42 PM, Simon Rit <
> simon.rit at creatis.insa-lyon.fr> wrote:
>
>> That's more complicated. First, CUDA_HAVE_GPU is normally turned on
>> automatically but maybe it's been turned off due to the problem you're
>> encountering now.
>> The problem you have is probably not specific to RTK, we don't develop
>> FindCUDA.cmake. I quickly checked FindCUDA.cmake and there if an
>> option CUDA_BUILD_CUBIN, maybe turn it off?
>> If I were you, I'd try to create a small separate project with
>> has_cuda_gpu.c and check whether it compiles. If it doesn't, try the
>> cmake mailing list.
>> Simon
>>
>> On Thu, Feb 12, 2015 at 6:24 PM, Howard <lomahu at gmail.com> wrote:
>> > Thanks all for your responses to my question. I did not initially set
>> > CUDA_HAVE_GPU to ON. Now I turned it on, I got errors when doing make:
>> >
>> >
>> > [ 24%] Building NVCC (Device) object
>> >
>> code/CMakeFiles/cuda_compile.dir//./cuda_compile_generated_rtkCudaFDKBackProjectionImageFilter.cu.o
>> > nvcc fatal   : Option '--cubin (-cubin)' is not allowed when compiling
>> for
>> > multiple GPU code instances
>> > CMake Error at
>> > /hpc/packages/minerva-common/cmake/
>> 2.8.12.2/share/cmake-2.8/Modules/FindCUDA/parse_cubin.cmake:38
>> > (file):
>> >   file Internal CMake error when trying to open file:
>> >
>> >
>> /sc/orga/work/howard02/usr/local/RTK/RTK-bin/code/CMakeFiles/cuda_compile.dir//./cuda_compile_generated_rtkCudaFDKBackProjectionImageFilter.cu.o.cubin.txt
>> >   for reading.
>> >
>> >
>> > [ 25%] Building NVCC (Device) object
>> >
>> code/CMakeFiles/cuda_compile.dir//./cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.o
>> > nvcc fatal   : Option '--cubin (-cubin)' is not allowed when compiling
>> for
>> > multiple GPU code instances
>> > CMake Error at
>> > /hpc/packages/minerva-common/cmake/
>> 2.8.12.2/share/cmake-2.8/Modules/FindCUDA/parse_cubin.cmake:38
>> > (file):
>> >   file Internal CMake error when trying to open file:
>> >
>> >
>> /sc/orga/work/howard02/usr/local/RTK/RTK-bin/code/CMakeFiles/cuda_compile.dir//./cuda_compile_generated_rtkCudaFFTRampImageFilter.cu.o.cubin.txt
>> >   for reading.
>> >
>> > As I said in my original post, we have CUDA installed on the system
>> (cluster
>> > system). We have three version: 4.2.9, 5.5.22, and 6.0.37. The cards are
>> > NVIDIA M2090 256GB memory and NVIDIA K20Xm of 256GB as well. I assume
>> the
>> > cards would work well although I haven't confirmed that.
>> >
>> > -howard
>> >
>> > On Thu, Feb 12, 2015 at 11:27 AM, Simon Rit <
>> simon.rit at creatis.insa-lyon.fr>
>> > wrote:
>> >>
>> >> Actually no, librtkcuda is compiled if the cuda library is available
>> >> but the applications are compiled if the cuda library AND a cuda
>> >> compatible device are available... That's probably why you observe
>> >> this.
>> >> Simon
>> >>
>> >> On Thu, Feb 12, 2015 at 5:23 PM, Julien Jomier
>> >> <julien.jomier at kitware.com> wrote:
>> >> > To follow up, what do you mean by "no cuda applications were
>> generated"?
>> >> > If
>> >> > you have the libraries compiled that means CMake found a working CUDA
>> >> > compatible device.
>> >> >
>> >> > -Julien
>> >> >
>> >> >
>> >> > On 12/02/2015 17:16, Simon Rit wrote:
>> >> >>
>> >> >> Hi,
>> >> >> Cmake automatically checks if you have a cuda compatible GPU. If it
>> >> >> cannot run a simple test, CUDA_HAVE_GPU is OFF and it won't compile
>> >> >> applications. So there must be an issue with your graphic card.
>> Check
>> >> >> if you can compile and run has_cuda_gpu.c.
>> >> >> Simon
>> >> >>
>> >> >> On Thu, Feb 12, 2015 at 4:04 PM, Howard <lomahu at gmail.com> wrote:
>> >> >>>
>> >> >>> HI,
>> >> >>>
>> >> >>> I encountered a problem when building CUDA applications. CUDA 5.5
>> was
>> >> >>> installed on our system. I set the following in ccmake
>> >> >>>
>> >> >>>   CUDA_64_BIT_DEVICE_CODE          ON
>> >> >>>   CUDA_ATTACH_VS_BUILD_RULE_TO_C   ON
>> >> >>> RTK_USE_CUDA                     ON
>> >> >>>
>> >> >>> I could build but no cuda applications were generated. In the bin
>> >> >>> folder
>> >> >>> I
>> >> >>> saw libITKCudaCommon.a and librtkcuda.a.
>> >> >>>
>> >> >>> What did I miss? Anybody could shed light on this? Thanks,
>> >> >>>
>> >> >>> -howard
>> >> >>>
>> >> >>> _______________________________________________
>> >> >>> Rtk-users mailing list
>> >> >>> Rtk-users at public.kitware.com
>> >> >>> http://public.kitware.com/mailman/listinfo/rtk-users
>> >> >>>
>> >> >> _______________________________________________
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>> >> >>
>> >> >
>> >
>> >
>>
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