常数存储器实例

#include<string.h>
#include<math.h>
#include<stdlib.h>
#include<stdio.h>
__constant__ char p_HelloCUDA[11];
__constant__ int t_HelloCUDA[11]={0,1,2,3,4,5,6,7,89,10};
__constant__ int num=11;




__global__ static void HelloCUDA(char* result){
    int i=0;
    for(i=0;i<num;i++)
        result[i]=p_HelloCUDA[i]+t_HelloCUDA[i];
}





int main(int argc,char* argv[]){
    char helloCUDA[]="Hdjik CUDA!";
    char *device_result=0;
    char host_result[12]={0};
    cudaMalloc((void**)&device_result,sizeof(char)*11);
    cudaMemcpyToSymbol(p_HelloCUDA,helloCUDA,sizeof(char)*11);
    HelloCUDA<<<1,1,0>>>(device_result);
    cudaMemcpy(&host_result,device_result,sizeof(char)*11,cudaMemcpyDeviceToHost);
    printf("%s\n",host_result);
    cudaFree(device_result);
    return 0;
}