我創建了一個新的Win32控制檯應用程序作爲一個空項目 我使用Visual Studio 2008 C++運行Windows 7 64位。我試圖從本文的底部獲取示例代碼來構建:http://www.ddj.com/architect/207200659初學者無法解析的外部符號CUDA程序
我將CUDA構建規則v2.3.0添加到項目的自定義構建規則中。它是在現有的規則文件列表
複選框我在源文件(文件夾/過濾器???)
在該文件中我添加以下代碼創建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);
}
當我建立我得到這些錯誤:
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 ==========
我可以編譯和運行與SDK附帶的示例CUDA程序。我知道我在這裏錯過了一些簡單的東西,但它是什麼?
你是對的。我必須將「$(CUDA_LIB_PATH); ../../ common/lib」添加到Configuration Properties-> Linker-> General-> Additional Libary Directories 和 「cudart.lib」 - > Input-> Additional Dependencies – 2010-01-14 03:27:51
我之前創建過我的項目時,我想讓它成爲一個CUDA程序並添加一個'.cu'文件。無論我在「Project - > Build Customization」中選擇Cuda 5.5,在「Configuration Properties-> Linker-> Input-> Additional Dependencies」中都找不到「cudart.lib」引用的正確庫,而是'在「Configuration Properties-> Linker-> General-> Additional Library Directories」找到$(CudaToolkitLibDir)'。 – DanielTuzes 2014-01-20 12:42:03