Indice1D.h

   1 #ifndef INDICE_1D
   2 #define INDICE_1D
   3
   4 /*----------------------------------------------------------------------*\
   5  |*                     Declaration                                     *|
   6  \*---------------------------------------------------------------------*/
   7
   8 /*--------------------------------------*\
   9  |*             Public                  *|
  10  \*-------------------------------------*/
  11
  12 class Indice1D
  13     {
  14
  15         /*--------------------------------------*\
  16         |*              Constructor             *|
  17          \*-------------------------------------*/
  18
  19     public:
  20
  21         /*--------------------------------------*\
  22         |*              Methodes                *|
  23          \*-------------------------------------*/
  24
  25     public:
  26
  27         /*------------------*\
  28         |*      tid        *|
  29          \*-----------------*/
  30
  31         /**
  32          * i in [0,nbThreadX-1]
  33          * i=threadIdx.y + (blockDim.y * blockIdx.y)
  34          */
  35         __device__
  36         static int tid()
  37             {
  38             return threadIdx.x + (blockDim.x * blockIdx.x);
  39             }
  40
  41         /**
  42          * output in [0,nbThreadBlock()[
  43          * return threadIdx;
  44          */
  45         __device__
  46         static int tidLocalBlock()
  47             {
  48             return threadIdx.x;
  49             }
  50
  51         /**
  52          * idem tidLocalBlock
  53          */
  54         __device__
  55         static int tidBlock()
  56             {
  57             return threadIdx.x;
  58             }
  59
  60         /**
  61          * idem tidLocalBlock
  62          */
  63         __device__
  64         static int tidLocal()
  65             {
  66             return threadIdx.x;
  67             }
  68
  69         /*------------------*\
  70         |*      nbThread    *|
  71          \*-------------------*/
  72
  73         __device__
  74         static int nbThread()
  75             {
  76             return gridDim.x * blockDim.x;
  77             }
  78
  79         __device__
  80         static int nbThreadBlock()
  81             {
  82             return blockDim.x;
  83             }
  84
  85         /*--------------------------------------*\
  86          |*             Attributs               *|
  87          \*-------------------------------------*/
  88
  89     private:
  90
  91     };
  92
  93 #endif
  94
  95 /*----------------------------------------------------------------------*\
  96  |*                     End                                             *|
  97  \*---------------------------------------------------------------------*/