我创建一个新的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
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
我将CUDA Build Rule v2.3.0添加到项目的自定义构建规则中.在可用规则文件列表中只有一个复选框
我在源文件(文件夹/过滤器???)中创建moveArrays.cu
在该文件中,我添加以下代码:
// 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,cudamemcpyDevicetoDevice);
// retrieve data from device: b_d to b_h
cudamemcpy(b_h,b_d,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 ==========
我可以编译并运行SDK随附的示例CUDA程序.我知道我在这里缺少一些简单的东西,但它是什么呢?
解决方法
我想你缺少链接到正确的图书馆.
确保您在“配置属性 – >链接器 – >输入”下添加了CUDA库.
参考 this.
确保您在“配置属性 – >链接器 – >输入”下添加了CUDA库.
参考 this.