Ah, right, will try that. Regards,
Arjen Op di 22 jul 2025 om 08:28 schreef Andrew Pinski <pins...@gmail.com>: > On Mon, Jul 21, 2025 at 11:21 PM Arjen Markus <arjen.markus...@gmail.com> > wrote: > > > > I am trying to build the branch via WSL on my Windows machine, but > configure reports that it cannot find the mpc.h include file. It is correct > - that is lacking, but installing or reinstalling mpc does not help. The > program I want to test can be found here: > https://github.com/arjenmarkus/memos-on-programming/tree/main/src/coarrays-domain-decomposition > . > > > > I will try and see whether I can repair the installation of mpc, it > would be nice if that works. Otherwise, you might have a look at my program > if you feel that is useful. > > It might be easier if you just use `contrib/download_prerequisites` to > get MPC ready for building. > > Thanks, > Andrew > > > > > Regards, > > > > Arjen > > > > Op ma 21 jul 2025 om 13:44 schreef Andre Vehreschild <ve...@gmx.de>: > >> > >> Very much appreciated. Thank you! > >> > >> - Andre > >> > >> On Mon, 21 Jul 2025 13:38:56 +0200 > >> Arjen Markus <arjen.markus...@gmail.com> wrote: > >> > >> > I have a not-so-trivial, but compact test case for you. I will try it > out > >> > with the receipe you gave :). > >> > > >> > Regards, > >> > > >> > Arjen > >> > > >> > Op ma 21 jul 2025 om 13:31 schreef Andre Vehreschild <ve...@gmx.de>: > >> > > >> > > Hi all, > >> > > > >> > > we are looking for people having old and/or modern Fortran codes > available > >> > > that use Coarrays more or less intensively. Jerry has build a test > branch > >> > > on > >> > > gcc's git, so testing is easier than usual: > >> > > > >> > > > For those who need some guidance to the test branch: > >> > > > > >> > > > $ git clone git://gcc.gnu.org/git/gcc.git > >> > > > > >> > > > $ cd gcc > >> > > > $ git checkout remotes/origin/devel/gfortran-test > >> > > > $ git switch -c gfortran-test > >> > > > > >> > > > Configure and build as usual in a separate directory not the > source > >> > > directory. > >> > > > > >> > > > cd .. ; mkdir build ; cd build ; ../gcc/configure > --prefix=<PREFIX> > >> > > > gmake install > >> > > > > >> > > > Replace <PREFIX> with a writeable full path on your system, e.g. > >> > > > ${HOME}/gcc-16 > >> > > > > >> > > > To use the new gcc use: > >> > > > > >> > > > export PATH=${HOME}/gcc-16/bin:$PATH > >> > > > > >> > > > and > >> > > > > >> > > > export LD_LIBRARY_PATH=${HOME}/gcc-16/lib64:$LD_LIBRARY_PATH > >> > > > > >> > > > or > >> > > > > >> > > > export LD_LIBRARY_PATH=${HOME}/gcc-16/lib:$LD_LIBRARY_PATH > >> > > > > >> > > > depending on how your OS names the library directory. Just have a > look > >> > > into > >> > > > gcc-16 and use lib64 if it is present, else use lib. > >> > > > >> > > We like everyone to test the new caf_shmem library and report back > any > >> > > problems, like "does not compile", "does not run" or "hangs during > >> > > execution". > >> > > If you can narrow down the problem, that would be of great help. If > you can > >> > > also share (whether in private or in public) any code, that has > issues, > >> > > please > >> > > do not hesitate to contact me or the gfortran mailing list. > >> > > > >> > > To compile your Fortran coarray code add -lcaf_shmem instead of > -lcaf_mpi, > >> > > if > >> > > you previously used OpenCoarrays. When using the OpenCoarrays > compile > >> > > helper > >> > > `caf` replace it with `gfortran -fcoarray=lib` for comiling and > `gfortran > >> > > -fcoarray=lib -lcaf_shmem` for linking. > >> > > > >> > > caf_shmem is multi process shared memory library for using coarrays > with > >> > > gfortran from version 16 on. It can provide great speed > improvements in > >> > > comparison to MPI-based implementations, but is limited to a single > node > >> > > where > >> > > all CPUs can share memory. > >> > > > >> > > Any feedback is greatly appreciated. > >> > > > >> > > Thanks and regards, > >> > > Andre > >> > > -- > >> > > Andre Vehreschild * Email: vehre ad gmx dot de > >> > > > >> > >> > >> -- > >> Andre Vehreschild * Email: vehre ad gmx dot de >
