CURAND库 - 编译错误 - 未定义的函数引用

问题描述

我有以下代码，我想使用nvcc编译。

I have the following code which I am trying to compile using nvcc.

代码：

#include <stdio.h>
#include <stdlib.h>
#include <cuda.h>
#include <curand.h>

int main(void)
{
    size_t n = 100;
    size_t i;
    int *hostData;
    unsigned int *devData;
    hostData = (int *)calloc(n, sizeof(int));
    curandGenerator_t gen;
    curandCreateGenerator(&gen, CURAND_RNG_PSEUDO_MRG32K3A);
    curandSetPseudoRandomGeneratorSeed(gen, 12345);
    cudaMalloc((void **)&devData, n * sizeof(int));
    curandGenerate(gen, devData, n);
    cudaMemcpy(hostData, devData, n * sizeof(int), cudaMemcpyDeviceToHost);
    for(i = 0; i < n; i++)
    {
        printf("%d ", hostData[i]);
    }
    printf("\n");
    curandDestroyGenerator (gen);
    cudaFree ( devData );
    free ( hostData );
    return 0;
}

这是我收到的输出：

$ nvcc -o RNG7 RNG7.cu
/tmp/tmpxft_00005da4_00000000-13_RNG7.o: In function `main':
tmpxft_00005da4_00000000-1_RNG7.cudafe1.cpp:(.text+0x6c): undefined reference to `curandCreateGenerator'
tmpxft_00005da4_00000000-1_RNG7.cudafe1.cpp:(.text+0x7a): undefined reference to `curandSetPseudoRandomGeneratorSeed'
tmpxft_00005da4_00000000-1_RNG7.cudafe1.cpp:(.text+0xa0): undefined reference to `curandGenerate'
tmpxft_00005da4_00000000-1_RNG7.cudafe1.cpp:(.text+0x107): undefined reference to `curandDestroyGenerator'
collect2: ld returned 1 exit status

我的初始猜测是由于某种原因CURAND库未正确安装或找不到curand.h头文件。

My initial guess is that for some reason the CURAND Library is not properly installed or that it cannot find the curand.h header file.

请让我知道我应该寻找什么或如何解决我的问题。

Please let me know what I should look for or how to solve my problem.

谢谢！

推荐答案

@Wilo Maldonado：只是使用链接器标志-lcurand和
- L / path / to / cuda / libs如果你还没有它

@Wilo Maldonado: just use a linker flag -lcurand andadditionally -L/path/to/cuda/libs if you do not have it already

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