And this is the output of the cmake:
/home/jbelloch/EQU_FILTERING_sandra/cmake-3.10.0/bin/cmake ENABLE_OPENCL
-DOPENCLROOT=/home/jbelloch/EQU_FILTERING_sandra/opencl
-DOPENCL_LIBRARY=/home/jbelloch/EQU_FILTERING_sandra/opencl/lib/libOpenCL.so
ENABLE_UBLAS . -DCMAKE_CXX_FLAGS="-DVIENNACL_DEBUG_ALL"
-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
-- The C compiler identification is GNU 4.8.2
-- The CXX compiler identification is GNU 4.8.2
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Boost version: 1.54.0
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Boost version: 1.54.0
-- Found the following Boost libraries:
-- chrono
-- date_time
-- serialization
-- system
-- thread
-- atomic
-- Found OPENCL: /home/jbelloch/EQU_FILTERING_sandra/opencl/lib/libOpenCL.so
-- Configuring done
-- Generating done
CMake Warning:
Manually-specified variables were not used by the project:
OPENCLROOT
-- Build files have been written to:
/home/jbelloch/EQU_FILTERING_sandra/ViennaCL-1.7.1
El vie, 19 nov 2021 a las 10:36, SANDRA CATALAN PALLARES (<[email protected]>)
escribió:
> This is the last compilation command I used
>
> jbelloch@odroid:~/EQU_FILTERING_sandra/ViennaCL-1.7.1$
> */home/jbelloch/EQU_FILTERING_sandra/cmake-3.10.0/bin/cmake
> ENABLE_OPENCL -DOPENCLROOT=/home/jbelloch/EQU_FILTERING_sandra/opencl
> -DOPENCL_LIBRARY=/home/jbelloch/EQU_FILTERING_sandra/opencl/lib/libOpenCL.so
> ENABLE_UBLAS . -DCMAKE_CXX_FLAGS="-DVIENNACL_DEBUG_ALL"*
>
> Best regards,
> Sandra
>
> El vie, 19 nov 2021 a las 10:00, Karl Rupp (<[email protected]>)
> escribió:
>
>> Okay, so CMake must be doing something odd in the build stage.
>> Can you please send a compilation command when building with CMake? You
>> may have to set CMAKE_VERBOSE_MAKEFILE to 'On'.
>>
>> Best regards,
>> Karli
>>
>>
>>
>>
>> On 11/19/21 09:12, SANDRA CATALAN PALLARES wrote:
>> > It works!
>> >
>> > jbelloch@odroid:~/EQU_FILTERING_sandra/ViennaCL-1.7.1$ g++
>> > examples/tutorial/blas1.cpp -I. -lOpenCL
>> > -L/home/jbelloch/EQU_FILTERING_sandra/opencl/lib/
>> > jbelloch@odroid:~/EQU_FILTERING_sandra/ViennaCL-1.7.1$ ./a.out
>> > Copying a few scalars...
>> > Manipulating a few scalars...
>> > operator +=
>> > operator *=
>> > operator -=
>> > operator /=
>> > operator +
>> > multiple operators
>> > mixed operations
>> > CPU scalar s3: 42
>> > GPU scalar vcl_s3: 42
>> > !!!! TUTORIAL COMPLETED SUCCESSFULLY !!!!
>> >
>> > Best regards,
>> > Sandra
>> >
>> > El vie, 19 nov 2021 a las 8:49, Karl Rupp (<[email protected]
>> > <mailto:[email protected]>>) escribió:
>> >
>> > Indeed!
>> >
>> > Line 58 causes the error:
>> >
>> https://github.com/viennacl/viennacl-dev/blob/master/viennacl/ocl/platform.hpp
>> > <
>> https://github.com/viennacl/viennacl-dev/blob/master/viennacl/ocl/platform.hpp
>> >
>> >
>> > However, these lines are *exactly* the same as in the minimal
>> example;
>> > but the minimal example succeeds. Also, this is the very first call
>> to
>> > OpenCL, so there can't be any prior undetected errors.
>> >
>> > What happens if you compile manually? In the main ViennaCL folder:
>> > $> g++ example/tutorial/blas1.cpp -I. -lOpenCL
>> > -L/home/jbelloch/EQU_FILTERING_sandra/opencl/lib/
>> >
>> > and then
>> > $> ./a.out
>> >
>> > Best regards,
>> > Karli
>> >
>> > On 11/19/21 08:37, SANDRA CATALAN PALLARES wrote:
>> > > The mistery continues:
>> > >
>> > > jbelloch@odroid:~/EQU_FILTERING_sandra/test_opencl$ ./a.out
>> > > # Platforms found: 1
>> > > 0
>> > >
>> > > Best regards,
>> > > Sandra
>> > >
>> > > El vie, 19 nov 2021 a las 8:33, Karl Rupp (<
>> [email protected]
>> > <mailto:[email protected]>
>> > > <mailto:[email protected] <mailto:[email protected]>>>)
>> > escribió:
>> > >
>> > >
>> > > Good morning,
>> > >
>> > > oh - now I'm puzzled. :-/
>> > >
>> > > Can you please add a
>> > > std::cout << err << std::endl;
>> > > after
>> > > std::cout << "# Platforms found: " << num_platforms <<
>> > std::endl;
>> > >
>> > > Which value do you get? Maybe clGetPlatformIDs returns a
>> nonzero
>> > > error code?
>> > >
>> > > Best regards,
>> > > Karli
>> > >
>> > > On 11/19/21 08:29, SANDRA CATALAN PALLARES wrote:
>> > > > Hi,
>> > > >
>> > > > The example is working :)
>> > > >
>> > > > jbelloch@odroid:~/EQU_FILTERING_sandra/test_opencl$ g++
>> > test.cpp
>> > > > -lOpenCL -L/home/jbelloch/EQU_FILTERING_sandra/opencl/lib/
>> > > > jbelloch@odroid:~/EQU_FILTERING_sandra/test_opencl$
>> ./a.out
>> > > > # Platforms found: 1
>> > > >
>> > > > Cheers,
>> > > > Sandra
>> > > >
>> > > > El jue, 18 nov 2021 a las 19:48, Karl Rupp
>> > > (<[email protected] <mailto:[email protected]>
>> > <mailto:[email protected] <mailto:[email protected]>>
>> > > > <mailto:[email protected]
>> > <mailto:[email protected]> <mailto:[email protected]
>> > <mailto:[email protected]>>>>)
>> > > escribió:
>> > > >
>> > > > thanks! This indicates that there is no OpenCL
>> platform
>> > > detected on
>> > > > your
>> > > > system. Basically this is the simplest query of all.
>> > > >
>> > > > Can you try to compile and run the following minimal
>> > example?
>> > > >
>> > > >
>> > > > #include <iostream>
>> > > > #include <string>
>> > > > #include <vector>
>> > > > #include <cmath>
>> > > > #include <stdexcept>
>> > > >
>> > > > #ifdef __APPLE__
>> > > > #include <OpenCL/cl.h>
>> > > > #else
>> > > > #include <CL/cl.h>
>> > > > #endif
>> > > >
>> > > > int main()
>> > > > {
>> > > > cl_uint num_platforms;
>> > > > cl_platform_id platform_ids[42];
>> > > > cl_int err = clGetPlatformIDs(42, platform_ids,
>> > > &num_platforms);
>> > > > std::cout << "# Platforms found: " <<
>> num_platforms <<
>> > > std::endl;
>> > > >
>> > > > return 0;
>> > > > }
>> > > >
>> > > >
>> > > >
>> > > > $> g++ test.cpp -lOpenCL
>> > > > -L/home/jbelloch/EQU_FILTERING_sandra/opencl/lib/
>> > > >
>> > > > should produce the executable a.out.
>> > > >
>> > > > It should return at least one platform.
>> > > >
>> > > > Thanks and best regards,
>> > > > Karli
>> > > >
>> > > >
>> > > >
>> > > >
>> > > >
>> > >
>> > >
>> > >
>> > > --
>> > >
>> > > *Sandra Catalán Pallarés*
>> > > SecciónDept. Arquitectura de Computadores y Automática
>> > > Facultad de Ciencias Físicas - Desp. 223
>> > > Universidad Complutense de Madrid
>> > > 28040 - Madrid (Spain)
>> > > (+34) 91 394 *4394 - *[email protected] <mailto:[email protected]>
>> > <mailto:[email protected] <mailto:[email protected]>>
>> >
>> >
>> >
>> > --
>> >
>> > *Sandra Catalán Pallarés*
>> > SecciónDept. Arquitectura de Computadores y Automática
>> > Facultad de Ciencias Físicas - Desp. 223
>> > Universidad Complutense de Madrid
>> > 28040 - Madrid (Spain)
>> > (+34) 91 394 *4394 - *[email protected] <mailto:[email protected]>
>>
>
>
> --
>
> *Sandra Catalán Pallarés*
> Sección Dept. Arquitectura de Computadores y Automática
> Facultad de Ciencias Físicas - Desp. 223
> Universidad Complutense de Madrid
> 28040 - Madrid (Spain)
> (+34) 91 394 *4394 - *[email protected]
>
--
*Sandra Catalán Pallarés*
Sección Dept. Arquitectura de Computadores y Automática
Facultad de Ciencias Físicas - Desp. 223
Universidad Complutense de Madrid
28040 - Madrid (Spain)
(+34) 91 394 *4394 - *[email protected]
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