我创建了一个新的Win32控制台应用程序作为一个空项目 我使用Visual Studio 2008 C++运行Windows 7 64位。我试图从本文的底部获取示例代码来构建:http://www.ddj.com/architect/207200659初学者无法解析的外部符号CUDA程序
我将CUDA构建规则v2.3.0添加到项目的自定义构建规则中。它是在现有的规则文件列表
复选框我在源文件(文件夹/过滤器???)
在该文件中我添加以下代码创建moveArrays.cu的唯一的事情:
// moveArrays.cu
//
// demonstrates CUDA interface to data allocation on device (GPU)
// and data movement between host (CPU) and device.
#include <stdio.h>
#include <assert.h>
#include <cuda.h>
int main(void)
{
float *a_h, *b_h; // pointers to host memory
float *a_d, *b_d; // pointers to device memory
int N = 14;
int i;
// allocate arrays on host
a_h = (float *)malloc(sizeof(float)*N);
b_h = (float *)malloc(sizeof(float)*N);
// allocate arrays on device
cudaMalloc((void **) &a_d, sizeof(float)*N);
cudaMalloc((void **) &b_d, sizeof(float)*N);
// initialize host data
for (i=0; i<N; i++) {
a_h[i] = 10.f+i;
b_h[i] = 0.f;
}
// send data from host to device: a_h to a_d
cudaMemcpy(a_d, a_h, sizeof(float)*N, cudaMemcpyHostToDevice);
// copy data within device: a_d to b_d
cudaMemcpy(b_d, a_d, sizeof(float)*N, cudaMemcpyDeviceToDevice);
// retrieve data from device: b_d to b_h
cudaMemcpy(b_h, b_d, sizeof(float)*N, cudaMemcpyDeviceToHost);
// check result
for (i=0; i<N; i++)
assert(a_h[i] == b_h[i]);
// cleanup
free(a_h); free(b_h);
cudaFree(a_d); cudaFree(b_d);
}
当我建立我得到这些错误:
1>------ Build started: Project: CUDASandbox, Configuration: Debug x64 ------ 1>Linking... 1>moveArrays.cu.obj : error LNK2019: unresolved external symbol cudaFree referenced in function main 1>moveArrays.cu.obj : error LNK2019: unresolved external symbol cudaMemcpy referenced in function main 1>moveArrays.cu.obj : error LNK2019: unresolved external symbol cudaMalloc referenced in function main 1>moveArrays.cu.obj : error LNK2019: unresolved external symbol __cudaUnregisterFatBinary referenced in function __cudaUnregisterBinaryUtil 1>moveArrays.cu.obj : error LNK2019: unresolved external symbol __cudaRegisterFatBinary referenced in function __sti____cudaRegisterAll_45_tmpxft_00001264_00000000_6_moveArrays_cpp1_ii_main 1>D:\Stuff\Programming\Visual Studio 2008\Projects\CUDASandbox\x64\Debug\CUDASandbox.exe : fatal error LNK1120: 5 unresolved externals 1>Build log was saved at "file://d:\Stuff\Programming\Visual Studio 2008\Projects\CUDASandbox\CUDASandbox\x64\Debug\BuildLog.htm" 1>CUDASandbox - 6 error(s), 0 warning(s) ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
我可以编译和运行与SDK附带的示例CUDA程序。我知道我在这里错过了一些简单的东西,但它是什么?
你是对的。我必须将“$(CUDA_LIB_PATH); ../../ common/lib”添加到Configuration Properties-> Linker-> General-> Additional Libary Directories 和 “cudart.lib” - > Input-> Additional Dependencies – 2010-01-14 03:27:51
我之前创建过我的项目时,我想让它成为一个CUDA程序并添加一个'.cu'文件。无论我在“Project - > Build Customization”中选择Cuda 5.5,在“Configuration Properties-> Linker-> Input-> Additional Dependencies”中都找不到“cudart.lib”引用的正确库,而是'在“Configuration Properties-> Linker-> General-> Additional Library Directories”找到$(CudaToolkitLibDir)'。 – DanielTuzes 2014-01-20 12:42:03