How to set CUDA compiler flags in Visual Studio 2010?

visual-studio-2010 cuda compiler-flags
mchen picture mchen · Jan 19, 2013 · Viewed 10.2k times · Source

After persistently getting error : identifier "atomicAdd" is undefined, I've found the solution to be to compile with -arch sm_20 flag. But how to pass this compiler flag in VS 2010? I have tried like so under Project > Properties:

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But this apparently has had no effect and the error persists - what am I doing wrong?

Many thanks.

Answer

RoBiK picture RoBiK · Jan 19, 2013

You can select the options for the GPU Code Generation in this dialog:

GPU Code Generation

In this case "compute_20" means that i am compiling for the virtual compute architecture 2.0 - virtual architecture influences the PTX generation stage.

The second part that comes after the coma is "sm_21".This influences the CUBIN generation stage. It defines the real GPU architecture i want to compile the PTX to.

You can find detailed description of the nvcc command line parameters that control the code generation here.

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