There should be no need then to download GNU Parallel from the website, I would expect it to be in the official Ubuntu package repositories. Most likely all you have to do is something like:
sudo apt-get install parallel
You may still want to read the tutorials on the website though.
Best,
Tim
> On December 7, 2018 at 12:01 PM Rosalia Dacosta Aguayo <[log in to unmask]> wrote:
>
>
> Hi Tim,
>
> Thank you very much for your explanation and for the web.
> Just one more question, my Linux is Ubuntu 16.04 (xenial). I have a doubt
> about which of the different official packages should I chose. Also, my
> Operating System is Linux Mint 18.3 Cinnamon 64-bit. Cinnamon version
> (3.6.7).
>
> Thank you again for your time.
> Yours sincerely,
> Rosalia
>
> On Fri, Dec 7, 2018 at 11:06 AM Tim Schäfer <[log in to unmask]> wrote:
>
> > If you are running several processes in parallel by starting them in
> > different terminals, you are actually taking advantage of the several cores
> > of your CPU already.
> >
> > That being said, it may be a better idea to use GNU Parallel [1] or
> > similar tools so you do not have to manually ensure that you always have a
> > certain number of processes running. But using a proper job scheduler will
> > not be any faster than manually running 8 instances in 8 terminals.
> >
> > In practice, it still helps though because it reduces the waiting time to
> > start a new job when an old one has finished to zero more or less. And of
> > course it removes the need to constantly monitor the processes. (You can
> > tell it to run 100 subjects and ensure that no more than 8 are running at
> > once.)
> >
> > Tim
> >
> > [1] https://www.gnu.org/software/parallel/
> >
> >
> > > On December 7, 2018 at 9:54 AM Rosalia Dacosta Aguayo <
> > [log in to unmask]> wrote:
> > >
> > >
> > > Dear FSL experts,
> > >
> > > Sorry if this is a basic question. I am running several processes at the
> > > same time, but not in parallel. My computer has 8 CPU, 32 ram GB and 1TB
> > of
> > > hard drive. I am running the different processes in different terminals
> > and
> > > as I see, I am not taking the advantage of my computer and the processes
> > > are taking a lot of time to be done. I am sure that if I could run them
> > in
> > > parallel, this would speed up the process, but I do not know how to do
> > it.
> > >
> > > I would be more than grateful if you could help me with this.
> > > Yours sincerely,
> > > Rosalia
> > >
> > > ########################################################################
> > >
> > > To unsubscribe from the FSL list, click the following link:
> > > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
> >
> > --
> > Dr. Tim Schäfer
> > Postdoc Computational Neuroimaging
> > Department of Child and Adolescent Psychiatry, Psychosomatics and
> > Psychotherapy
> > University Hospital Frankfurt, Goethe University Frankfurt am Main, Germany
> >
> > ########################################################################
> >
> > To unsubscribe from the FSL list, click the following link:
> > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
> >
>
> ########################################################################
>
> To unsubscribe from the FSL list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
--
Dr. Tim Schäfer
Postdoc Computational Neuroimaging
Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy
University Hospital Frankfurt, Goethe University Frankfurt am Main, Germany
########################################################################
To unsubscribe from the FSL list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
|