globals.h

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#ifndef _GLOBAL_H_
#define _GLOBAL_H_

#include <string>
#include <iostream>
#include <starpu.h>

namespace skepu
{

enum skepu_container_type
  {
     VECTOR=0,
     MATRIX=1,
     SPARSE_MATRIX=2
  };    
    
#define MAX_GPU_DEVICES 4

// based on CUDA programming guide v4.2
#define MAX_POSSIBLE_CUDA_STREAMS_PER_GPU 16

#ifndef SKEPU_NUMGPU
    #define SKEPU_NUMGPU 1
#elif defined(SKEPU_CUDA) // Only when CUDA is enabled and multi-GPU is possible
//  #define USE_PINNED_MEMORY   
#endif

// used when checking shared memory and overlap exceeding that in mapoverlap_cu.inl
#define SHMEM_SAFITY_BUFFER 30

// use it to specify threshold when reduction operation should shift to CPU instead of continuing it on GPU, used in 2D reduction specially.
#define REDUCE_GPU_THRESHOLD 50

/* A helper method called from SKEPU_EXIT().
  * Used to delete temp_vector pointers for reduce/mapreduce skeletons
  * before claling the starpu_shutdown. 
  */
void deleteVecPointers();

// Macro to exit starpu- user should call this macro before program exit….
#define SKEPU_EXIT() { starpu_shutdown(); }


// OpenCL additional code that can be supplied in a file. useful when using a custom type with skeletons
#define OPENCL_SOURCE_FILE_NAME "opencl_datatype_src.cl"    


class skepu_error
{
  private:
    std::string message;
 
  public:
    skepu_error(std::string m) { message = m; }
    inline std::string getMessage() { return message; };
    friend std::ostream& operator<<(std::ostream &os, skepu_error& err)
    {
      os<<"SKEPU: "<<(err.getMessage())<<"\n";
      return os;
    }

};

#ifndef _NO_EXCEPTION

#define REPORT_ERROR(ErrormMsg)  throw skepu::skepu_error( ErrormMsg);

#else
inline void _skepu_error (const char* pErrMsg)
{
    cerr << "SKEPU ERROR: " + pErrMsg << endl;
    exit(1);
}

#define REPORT_ERROR(ErrormMsg)  skepu::_matrix_error( ErrormMsg);

#endif

}


#ifdef SKEPU_OPENCL
    #define STARPU_USE_OPENCL
#endif  



#include "src/debug.h"

#ifdef SKEPU_CUDA
#include "src/skepu_cuda_helpers.h"
#endif

#ifdef SKEPU_OPENCL
#include "src/skepu_opencl_helpers.h"
#endif

#include "src/helper_methods.h"




#endif