OpenCoarrays integration with gfortran

[Toon Moene]

On 09/22/2018 01:23 AM, Jerry DeLisle wrote:

> On 9/21/18 1:16 PM, Damian Rouson wrote:> On Fri, Sep 21, 2018 at 9:25 
> AM Jerry DeLisle <jvdelisle@charter.net> wrote:

>  >> 1) Focus on distribution packages such as Fedora, Debian, Ubuntu,
>  >> Windows, etc. Building of these packages needs to be automated into the
>  >> distributions.
>  >
>  > This is the option that the OpenCoarrays documentation recommends as 
> easiest for
>  > most users.
> 
> Agree.

I just installed opencoarrays on my system at home (Debian Testing):

root@moene:~# apt-get install libcoarrays-openmpi-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
   libcaf-openmpi-3
The following NEW packages will be installed:
   libcaf-openmpi-3 libcoarrays-openmpi-dev
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 107 kB of archives.
After this operation, 317 kB of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 http://ftp.nl.debian.org/debian testing/main amd64 
libcaf-openmpi-3 amd64 2.2.0-3 [38.2 kB]
Get:2 http://ftp.nl.debian.org/debian testing/main amd64 
libcoarrays-openmpi-dev amd64 2.2.0-3 [68.9 kB]
Fetched 107 kB in 0s (634 kB/s)
Selecting previously unselected package libcaf-openmpi-3:amd64.
(Reading database ... 212249 files and directories currently installed.)
Preparing to unpack .../libcaf-openmpi-3_2.2.0-3_amd64.deb ...
Unpacking libcaf-openmpi-3:amd64 (2.2.0-3) ...
Selecting previously unselected package libcoarrays-openmpi-dev:amd64.
Preparing to unpack .../libcoarrays-openmpi-dev_2.2.0-3_amd64.deb ...
Unpacking libcoarrays-openmpi-dev:amd64 (2.2.0-3) ...
Setting up libcaf-openmpi-3:amd64 (2.2.0-3) ...
Setting up libcoarrays-openmpi-dev:amd64 (2.2.0-3) ...
Processing triggers for libc-bin (2.27-6) ...

[ previously this led to apt errors, but not now. ]

and moved my own installation of the OpenCoarrays-2.2.0.tar.gz out of 
the way:

toon@moene:~$ ls -ld *pen*
drwxr-xr-x 6 toon toon 4096 Aug 10 16:01 OpenCoarrays-2.2.0.opzij
drwxr-xr-x 8 toon toon 4096 Sep 15 11:26 opencoarrays-build.opzij
drwxr-xr-x 6 toon toon 4096 Sep 15 11:26 opencoarrays.opzij

and recompiled my stuff:

gfortran -g -fbacktrace -fcoarray=lib random-weather.f90 
-L/usr/lib/x86_64-linux-gnu/open-coarrays/openmpi/lib -lcaf_mpi

[ Yes, the location of the libs is quite experimental, but OK for the 
"Testing" variant of Debian ... ]

I couldn't find cafrun, but mpirun works just fine:

toon@moene:~/src$ echo ' &config /' | mpirun --oversubscribe --bind-to 
none -np 20 ./a.out
Decomposition information on image    7 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image    6 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   11 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   15 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image    1 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   13 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   12 is    4 *    5 slabs with   21 * 
   18 grid cells on this image.
Decomposition information on image   20 is    4 *    5 slabs with   21 * 
   18 grid cells on this image.
Decomposition information on image    9 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   14 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   16 is    4 *    5 slabs with   21 * 
   18 grid cells on this image.
Decomposition information on image   17 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   18 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image    2 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image    4 is    4 *    5 slabs with   21 * 
   18 grid cells on this image.
Decomposition information on image    5 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image    3 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image    8 is    4 *    5 slabs with   21 * 
   18 grid cells on this image.
Decomposition information on image   10 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.
Decomposition information on image   19 is    4 *    5 slabs with   23 * 
   18 grid cells on this image.

... etc. (see http://moene.org/~toon/random-weather.f90).

I presume other Linux distributors will follow shortly (this *is* Debian 
Testing, which can be a bit testy at times - but I do trust my main 
business at home on it for over 15 years now).

Kind regards,

-- 
Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
At home: http://moene.org/~toon/; weather: http://moene.org/~hirlam/
Progress of GNU Fortran: http://gcc.gnu.org/wiki/GFortran#news