我正在学习cudaDecodeD3D9示例,以了解CUDA的工作原理。在编译时,它会从.cu文件生成.ptx文件。据我所知,.ptx文件是一种中间表示形式,将即时编译为任何特定GPU。该示例使用cudaModuleMgr类通过cuModuleLoadDataEx加载此文件。
.ptx文件是文本格式的,我可以看到在其顶部有一堆硬编码的路径,包括我的用户文件夹,例如:
.ptx文件是文本格式的,我可以看到在其顶部有一堆硬编码的路径,包括我的用户文件夹,例如:
.file 1 "C:/Users/******/AppData/Local/Temp/tmpxft_00002abc_00000000-7_NV12ToARGB_drvapi.cudafe2.gpu"
.file 2 "c:\program files (x86)\microsoft visual studio 10.0\vc\include\codeanalysis\sourceannotations.h"
.file 3 "C:/Program Files (x86)/NVIDIA GPU Computing Toolkit/CUDA/v5.0/include\crt/device_runtime.h"
.file 4 "C:/Program Files (x86)/NVIDIA GPU Computing Toolkit/CUDA/v5.0/include\host_defines.h"
.file 5 "C:/Program Files (x86)/NVIDIA GPU Computing Toolkit/CUDA/v5.0/include\builtin_types.h"
.file 6 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\device_types.h"
.file 7 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\host_defines.h"
.file 8 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\driver_types.h"
.file 9 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\surface_types.h"
.file 10 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\texture_types.h"
.file 11 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\vector_types.h"
.file 12 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\builtin_types.h"
.file 13 "C:/Program Files (x86)/NVIDIA GPU Computing Toolkit/CUDA/v5.0/include\device_launch_parameters.h"
.file 14 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\crt\storage_class.h"
.file 15 "c:\users\******\desktop\cudadecodesample\3_imaging\cudadecoded3d9\cudaProcessFrame.h"
.file 16 "c:\program files (x86)\nvidia gpu computing toolkit\cuda\v5.0\include\math_functions.h"
.file 17 "C:/Users/******/Desktop/CudaDecodeSample/3_Imaging/cudaDecodeD3D9/NV12ToARGB_drvapi.cu"
.file 18 "C:/Program Files (x86)/NVIDIA GPU Computing Toolkit/CUDA/v5.0/include\common_functions.h"
我的问题是:由于这个文件是在编译时创建的,那么它是否只能在我的机器上运行,因为其中包含了所有这些硬编码的路径?我应该怎么做才能确保程序在任何计算机上运行,即使CUDA SDK没有安装?