Re: question on build warning

[American Citizen <website.reader3@gmail.com>]

On page 3 of the install instructions 
https://pari.math.u-bordeaux.fr/pub/pari/manuals/2.18.1/INSTALL.pdf

We read

>  pthread: use POSIX threads. This is well-suited for multi-core 
> systems. Setting this option
> also set --enable-tls, see below. This option requires the pthread 
> library. For benchmarking, it
> is often useful to set --time=ftime so that GP report wall-clock 
> instead of the sum of the time
> spent by each thread.
I configured GP Pari for multiple cores.

>                 GP/PARI CALCULATOR Version 2.18.1 (development 
> git-5d3c5ac62a)
>                  amd64 running linux (x86-64/GMP-6.3.0 kernel) 64-bit 
> version
>                     compiled: Apr  1 2025, gcc version 13.3.0 (SUSE Linux)
>                            threading engine: pthread, nbthreads = 6
>                         (readline v7.0 enabled, extended help enabled)
Could someone please update the instructions then?

Thank you.

Randall

On 4/1/25 13:21, Bill Allombert wrote:
> On Tue, Apr 01, 2025 at 12:58:51PM -0700, American Citizen wrote:
> > Is this warning something to be concerned about?
> >
> > I built using the --time=ftime option on the Configure line in the root
> > folder /home/owner/math/pari-2.18.0-251-g5d3c5ac62a/
> >
> > % ./Configure --tune --mt=pthread --time=ftime --with-gmp --with-readline
> I suggest you do not set --time=ftime and use getwalltime() in GP instead.
>
> Cheers,
> Bill