nvcc not doing anything

nvidia2020 · March 3, 2020, 1:34am

Hi All,

Hoping that someone has some advice.

I have a .cu file - hw5.cu . I have nvcc installed (nvcc – version works and gives info). Whenever I try a command such as nvcc hw5.cu , I enter in the command and no error shows up, but no output file is created either. nothing happens. I tried various variations such as nvcc -o here hw5.cu , nvcc hw5.cu -o here , nvcc -o here.exe hw5.cu , nvcc -cuda hw5.cu , nvcc --cuda hw5.cu . But with all of these variations, the same thing always happens. No output file is created, and I get no response/error either in the terminal. nothing happens. If I can get some info on how to resolve this issue and compile my .cu file that would be greatly appreciated

njuffa · March 3, 2020, 3:11am

I can’t recall ever encountering such a case. What version CUDA and what version of Microsoft Visual Studio do you have installed?

What output do you get when you run

nvcc --help

What output do you get when you run

nvcc -v -o hw5.exe hw5.cu

nvidia2020 · March 3, 2020, 4:04am

Hi, I tried the nvcc -v -o hw5.exe hw5.cu

$ nvcc -v -o hw5.exe hw5ThreadCuda.cu
#$ C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx86/x86/…/…/…/…/…/…/…/VC/Auxili
ary/Build/vcvars64.bat

C:\learning c++\thisOne>call “C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx86/x86/…/
…/…/…/…/…/…/VC/Auxiliary/Build/vcvars64.bat”

** Visual Studio 2019 Developer Command Prompt v16.4.4
** Copyright (c) 2019 Microsoft Corporation

[vcvarsall.bat] Environment initialized for: ‘x64’
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Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx86/x86
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am Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\CommonExtensions\Microsoft\CMake\Ninja
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njuffa · March 3, 2020, 4:26am

So what is installed appears to be CUDA 10.2 and MSVC 2019 Community Edition? I am actually not sure that CUDA supports MSVC 2019 Community Edition, and the CUDA Installation Guide for Windows (https://docs.nvidia.com/cuda/cuda-installation-guide-microsoft-windows/index.html) doesn’t specifically mention it, which I take to mean: not supported. Maybe other forum participants have further insights.

From comparing your log output with a log of a successful build on my Windows machine it is clear that processing stopped just before the Microsoft compiler is supposed to kick off for the first time.