Cuda Hello World: Entire Code Listing

/********************************************************************
*  CUDAWin32App10.cu
*  This is a example of the CUDA program.
*********************************************************************/

#include 
#include 
#include 

/************************************************************************/
/* Init CUDA                                                            */
/************************************************************************/
bool InitCUDA(void)
{  
   int count = 0;
   int i = 0;

   cudaGetDeviceCount(&count);
   if(count == 0) {
       fprintf(stderr, "There is no device.\n");
       return false;
   }

   for(i = 0; i <>= 1) {
               break;
           }
       }
   }
   if(i == count) {
       fprintf(stderr, "There is no device supporting CUDA 1.x.\n");
       return false;
   }
   cudaSetDevice(i);
   return true;
}

/************************************************************************/
/* Example                                                              */
/************************************************************************/
__global__ static void HelloCUDA(char* result, int num, clock_t* time,int foo)
{
   int i = 0;
   char p_HelloCUDA[] = "Hello CUDA!";
   clock_t start = clock();
   for(i = 0; i < time =" clock()" device_result    =" 0;" time            =" 0;" time_used        =" 0;">>>(device_result, 11 , time,1);


   cudaMemcpy(&host_result, device_result, sizeof(char) * 11, cudaMemcpyDeviceToHost);
   cudaMemcpy(&time_used, time, sizeof(clock_t), cudaMemcpyDeviceToHost);
   cudaFree(device_result);
   cudaFree(time);

   printf("%s,%d\n", host_result, time_used);

   return 0;
}