There is an environment variable USEGPU that may (or may not) do what you
want:
$ export USEGPU=no
or
$ setenv USEGPU no
Paolo
On Sun, Nov 28, 2021 at 3:10 PM Anson Thomas
wrote:
> Dear QE experts,
>
> I have installed QE 6.8 with GPU acceleration (Ubuntu 18.04.5 LTS
> (GNU/Linux 4.15.0-135-gen
Having two binaries is slightly less annoying if you use the cmake build system
https://gitlab.com/QEF/q-e/-/wikis/Developers/CMake-build-system
(https://link.getmailspring.com/link/49889bcf-baf9-46a0-a827-a3635d377...@getmailspring.com/0?redirect=https%3A%2F%2Fgitlab.com%2FQEF%2Fq-e%2F-%2Fwikis%2
This advice is still valid: build one version with GPU support and one
without.
For what type of pw.x calculations (and why) you do not want to use GPU?
--
Filippo SPIGA ~ http://fspiga.github.io ~ skype: filippo.spiga
On Sun, 28 Nov 2021 at 14:21, Oliver Generalao
wrote:
> Hi,
> Just to shar
Hi,
Just to share.
I had a similar situation years ago (2016-2017) where I had to do
benchmarking with and without a GPU. I had to compile two versions of
PWsfc, *pw.x* and *pw-gpu.x*. I am not sure if they had changed a lot since
then.
On Sun, Nov 28, 2021 at 10:10 PM Anson Thomas
wrote:
> Dea
Dear QE experts,
I have installed QE 6.8 with GPU acceleration (Ubuntu 18.04.5 LTS
(GNU/Linux 4.15.0-135-generic x86_64, Processor: Intel Xeon Gold 5120 CPU
2.20 GHz (2 Processor) RAM: 96 GB Graphics Card: NVIDIA Quadro P5000 (16
GB)).
For some pw.x calculations, however, I desire to not use the G