Question

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

Answer 1

The first only tells you what the command is going to be, the second actually performs the command.
echo is the dos command that displays text:

C:\>echo bla bla bla
bla bla bla