How to get the cuda version?

Question

Is there any quick command or script to check for the version of CUDA installed?

I found the manual of 4.0 under the installation directory but I\'m not sure whether

Answer 1

i get /usr/local - no such file or directory. Though nvcc -V gives

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2016 NVIDIA Corporation
Built on Sun_Sep__4_22:14:01_CDT_2016
Cuda compilation tools, release 8.0, V8.0.44

Answer 2

You can check the version of CUDA using

nvcc -V

or you can use

nvcc --version

or You can check the location of where the CUDA is using

whereis cuda 

and then do

cat location/of/cuda/you/got/from/above/command

Answer 3

For CUDA version:

nvcc --version

Or use,

nvidia-smi

For cuDNN version:

For Linux:

Use following to find path for cuDNN:

$ whereis cuda
cuda: /usr/local/cuda

Then use this to get version from header file,

$ cat /usr/local/cuda/include/cudnn.h | grep CUDNN_MAJOR -A 2

For Windows,

Use following to find path for cuDNN:

C:\>where cudnn*
C:\Program Files\cuDNN7\cuda\bin\cudnn64_7.dll

Then use this to dump version from header file,

type "%PROGRAMFILES%\cuDNN7\cuda\include\cudnn.h" | findstr CUDNN_MAJOR

If you're getting two different versions for CUDA on Windows - Different CUDA versions shown by nvcc and NVIDIA-smi

Answer 4

First you should find where Cuda installed.

If it's a default installation like here the location should be:

for ubuntu:

/usr/local/cuda

in this folder you should have a file

version.txt

open this file with any text editor or run:

cat version.txt

from the folder

OR

 cat /usr/local/cuda/version.txt 

Answer 5

On Ubuntu Cuda V8:

$ cat /usr/local/cuda/version.txt

Answer 6

We have three ways to check Version: In my case below is the output:- Way 1:-

cat /usr/local/cuda/version.txt

Output:-

CUDA Version 10.1.243

Way2:-

nvcc --version

Output:-

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2017 NVIDIA Corporation
Built on Fri_Nov__3_21:07:56_CDT_2017
Cuda compilation tools, release 9.1, V9.1.85

Way3:-

/usr/local/cuda/bin/nvcc --version

Output:-

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2019 NVIDIA Corporation
Built on Sun_Jul_28_19:07:16_PDT_2019
Cuda compilation tools, release 10.1, V10.1.243

Way4:-

nvidia-smi
NVIDIA-SMI 450.36.06    Driver Version: 450.36.06    CUDA Version: 11.0

Outputs are not same. Don't know why it's happening.