kernel函数不运行

加速计算 CUDA
41 

#include <cuda.h>
int main()
{
   printf("keep calm\n");
   printf("everything will be ok . Believe me ,please.\n");
   getchar();
   return 0;
}
42 
#include <cuda.h>
int main()
{
   printf("Thank you very much !!\n");
   getchar();
   return 0;
}