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]>) 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]>>) 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* 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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