为什么 CUDA.rules 有两个相同的命令行
CUDA.rules 文件的命令行是：
echo [编译器路径] [保留] [CInterleavedPTX] [ExtraNvccOptions] [拱门] -ccbin “$(VCInstallDir)bin” [仿真] [FastMath] [定义] -Xcompiler "/EHsc [警告] /nologo [优化] /Zi [运行时检查] [运行时] [类型信息] [ExtraCppOptions]”[包括] [MaxRegCount] [PtxAsOptionV] [Nvcc编译] “$（输入路径）”
[编译器路径][保留] [CInterleavedPTX] [ExtraNvccOptions] [拱门] -ccbin “$(VCInstallDir)bin” [仿真] [FastMath] [定义] -Xcompiler "/EHsc [警告] /nologo [优化] /Zi [运行时检查] [运行时] [类型信息] [ExtraCppOptions]”[包括] [MaxRegCount] [ptxasoptionv] [Nvcc编译] “$（输入路径）”“
为了清楚起见，我放入了一行，因为它显示了两个相同的命令（据我所知），除了第一个命令前面带有“echo”。有谁知道它的目的是什么这是？
谢谢
The commandline for CUDA.rules file is:
echo [CompilerPath] [Keep]
[CInterleavedPTX] [ExtraNvccOptions]
[Arch] -ccbin
"$(VCInstallDir)bin"
[Emulation] [FastMath] [Defines]
-Xcompiler "/EHsc [Warning] /nologo [Optimization] /Zi
[RuntimeChecks] [Runtime] [TypeInfo]
[ExtraCppOptions]" [Include]
[MaxRegCount] [PtxAsOptionV]
[NvccCompilation]
"$(InputPath)"[CompilerPath] [Keep]
[CInterleavedPTX] [ExtraNvccOptions]
[Arch] -ccbin
"$(VCInstallDir)bin"
[Emulation] [FastMath] [Defines]
-Xcompiler "/EHsc [Warning] /nologo [Optimization] /Zi
[RuntimeChecks] [Runtime] [TypeInfo]
[ExtraCppOptions]" [Include]
[MaxRegCount] [ptxasoptionv]
[NvccCompilation]
"$(InputPath)""
I have put in a line for clarity as it shows two command which are identical (as far as I can see), except the first one is preceded by "echo". Does anyone know what the purpose of this is?
Thanks
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第一个仅告诉您命令是什么，第二个实际执行命令。
echo是显示文本的 dos 命令：The first only tells you what the command is going to be, the second actually performs the command.
echois the dos command that displays text:第一行将在输出窗口中输出命令行
The first line will output the command line on the output window