Indice2D.h

   1 #ifndef INDICE_2D
   2 #define INDICE_2D
   3
   4 /*----------------------------------------------------------------------*\
   5  |*                     Declaration                                     *|
   6  \*---------------------------------------------------------------------*/
   7
   8 /*--------------------------------------*\
   9  |*             Public                  *|
  10  \*-------------------------------------*/
  11
  12 class Indice2D
  13     {
  14
  15         /*--------------------------------------*\
  16         |*              Constructor             *|
  17          \*-------------------------------------*/
  18
  19     public:
  20
  21         /*--------------------------------------*\
  22         |*              Methodes                *|
  23          \*-------------------------------------*/
  24
  25     public:
  26
  27         /*------------------*\
  28         |*      tid        *|
  29          \*-----------------*/
  30
  31         __device__
  32         static int tid()
  33             {
  34             return (threadIdx.x + (blockDim.x * blockIdx.x)) + ((threadIdx.y + (blockDim.y * blockIdx.y)) * (gridDim.x * blockDim.x));
  35             }
  36
  37     /**
  38      * output in [0,nbThreadBlock()[
  39      * return threadIdx.x+blockDim.x*threadIdx.y;
  40      */
  41     __device__
  42     static int tidLocalBlock()
  43         {
  44         return threadIdx.x + blockDim.x * threadIdx.y;
  45         }
  46
  47     /**
  48      * idem tidLocalBlock
  49      */
  50     __device__
  51     static int tidBlock()
  52         {
  53         return threadIdx.x + blockDim.x * threadIdx.y;
  54         }
  55
  56     /**
  57      * idem tidLocalBlock
  58      */
  59     __device__
  60     static int tidLocal()
  61         {
  62         return threadIdx.x + blockDim.x * threadIdx.y;
  63         }
  64
  65     /*------------------*\
  66     |*  nbThread         *|
  67      \*-------------------*/
  68
  69     __device__
  70     static int nbThread()
  71         {
  72         return (gridDim.x * gridDim.y) * (blockDim.x * blockDim.y);
  73         }
  74
  75     __device__
  76     static int nbThreadX()
  77         {
  78         return gridDim.x * blockDim.x;
  79         }
  80
  81     __device__
  82     static int nbThreadY()
  83         {
  84         return gridDim.y * blockDim.y;
  85         }
  86
  87     __device__
  88     static int nbThreadBlock()
  89         {
  90         return blockDim.x * blockDim.y;
  91         }
  92
  93
  94
  95     /*--------------------------------------*\
  96          |*             Attributs               *|
  97      \*-------------------------------------*/
  98
  99 private:
 100
 101 };
 102
 103 #endif
 104
 105 /*----------------------------------------------------------------------*\
 106  |*                     End                                             *|
 107  \*---------------------------------------------------------------------*/