.. _program_listing_file_include_gwmodelpp_IParallelizable.h:

Program Listing for File IParallelizable.h
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_gwmodelpp_IParallelizable.h>` (``include/gwmodelpp/IParallelizable.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef IPARALLELIZABLE_H
   #define IPARALLELIZABLE_H
   
   namespace gwm
   {
   
   enum ParallelType
   {
       SerialOnly = 1 << 0,    
       OpenMP = 1 << 1,        
       CUDA = 1 << 2,          
       MPI = (1 << 3),
       MPI_Serial = (1 << 3) | (1 << 0),
       MPI_MP = (1 << 3) | (1 << 1),
       MPI_CUDA = (1 << 3) | (1 << 2)
   };
   
   struct IParallelizable
   {
       virtual int parallelAbility() const = 0;
   
       virtual ParallelType parallelType() const = 0;
   
       virtual void setParallelType(const ParallelType& type) = 0;
   };
   
   struct IParallelOpenmpEnabled
   {
       virtual void setOmpThreadNum(const int threadNum) = 0;
   };
   
   struct IParallelCudaEnabled
   {
       virtual void setGPUId(const int gpuId) = 0;
   
       virtual void setGroupSize(const std::size_t size) = 0;
       
   };
   
   struct IParallelMpiEnabled
   {
       virtual int workerId() = 0;
       virtual void setWorkerId(int id) = 0;
       virtual void setWorkerNum(int size) = 0;
   };
   
   #define GWM_MPI_MASTER_BEGIN if (workerId() == 0) {
   #define GWM_MPI_MASTER_END }
   #define GWM_MPI_WORKER_BEGIN if (workerId() != 0) {
   #define GWM_MPI_WORKER_END }
   #define GWM_MPI_MASTER_WORKER_SWITCH } else {
   
   }
   
   #endif  // IPARALLELIZABLE_H