[petsc-users] deactivating x11 in PETSc 3.13.0 with pastix/hwloc

Mon Apr 6 14:41:45 CDT 2020

Hm - its working for me on CentOS7 [I see you are using RHEL7/CentOS7]

Can you try the branch balay/fix-hwloc-x-dependency/maint - and see what you get?

[balay at petsc-c7 petsc:d409bfc]$ ./configure --with-mpi=0 --download-hwloc --with-x=0
<snip>
[balay at petsc-c7 petsc:d409bfc]$ ldd arch-linux2-c-debug/lib/libhwloc.so                                                                                    
	linux-vdso.so.1 =>  (0x00007ffe88bae000)
	libm.so.6 => /lib64/libm.so.6 (0x00007ff75c7b9000)
	libc.so.6 => /lib64/libc.so.6 (0x00007ff75c3eb000)
	/lib64/ld-linux-x86-64.so.2 (0x00007ff75cd1a000)
[balay at petsc-c7 petsc:d409bfc]$ ./configure --with-mpi=0 --download-hwloc --with-x=1                                                                                            <snip>
[balay at petsc-c7 petsc:d409bfc]$ ldd arch-linux2-c-debug/lib/libhwloc.so                                                                                            
	linux-vdso.so.1 =>  (0x00007ffe129cc000)
	libm.so.6 => /lib64/libm.so.6 (0x00007f89920fa000)
	libX11.so.6 => /lib64/libX11.so.6 (0x00007f8991dbc000)
	libc.so.6 => /lib64/libc.so.6 (0x00007f89919ee000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f899265b000)
	libxcb.so.1 => /lib64/libxcb.so.1 (0x00007f89917c6000)
	libdl.so.2 => /lib64/libdl.so.2 (0x00007f89915c2000)
	libXau.so.6 => /lib64/libXau.so.6 (0x00007f89913be000)
[balay at petsc-c7 petsc:d409bfc]$ 

Satish

On Mon, 6 Apr 2020, Alfredo Jaramillo wrote:

> No, it doesn't work... I also tried --with-x=disabled. I gave a look to
> ./configure --help in the hwloc directory and to the configure file itself,
> but Im not finding the right option.
> 
> On Mon, Apr 6, 2020 at 3:53 PM Satish Balay <balay at mcs.anl.gov> wrote:
> 
> > Looks like the option is --with-x=no
> >
> > Can you give this a try? Branch balay/fix-hwloc-x-dependency/maint has
> > this update now
> >
> > Satish
> >
> > On Mon, 6 Apr 2020, Alfredo Jaramillo wrote:
> >
> > > Hello Satish, Im sorry but I think I tested this workaround with the
> > wrong
> > > installation, my bad.
> > > In fact the libXNVC, X11 libraries are still being linked even with the
> > > --download-hwloc-configure-arguments=--without-x option
> > >
> > > Im attaching the config.log file located in
> > > $PETSC_DIR/$PETSC_ARCH/externalpackages/hwloc-2.1.0
> > > you can see that the option --without-x is there (line 7) but by means of
> > > $ ldd foo
> > > I see that the links are still there
> > >
> > > On Mon, Apr 6, 2020 at 2:57 PM Satish Balay <balay at mcs.anl.gov> wrote:
> > >
> > > > Great!
> > > >
> > > > Wrt pastix dependency on hwloc -
> > > > config/BuildSystem/config/packages/PaStiX.py has the following comment:
> > > >
> > > >     # PaStiX.py does not absolutely require hwloc, but it performs
> > better
> > > > with it and can fail (in ways not easily tested) without it
> > > >     #
> > > >
> > https://gforge.inria.fr/forum/forum.php?thread_id=32824&forum_id=599&group_id=186
> > > >     # https://solverstack.gitlabpages.inria.fr/pastix/Bindings.html
> > > >
> > > > I have a fix in branch balay/fix-hwloc-x-dependency/maint [that does
> > not
> > > > need the extra --download-hwloc-configure-arguments=--without-x
> > option].
> > > > Can you give this a try?
> > > >
> > > > Satish
> > > >
> > > > On Mon, 6 Apr 2020, Alfredo Jaramillo wrote:
> > > >
> > > > > hello Satish,
> > > > > adding
> > > > > --download-hwloc-configure-arguments=--without-x
> > > > > worked perfectly
> > > > >
> > > > > thank you!
> > > > >
> > > > > On Mon, Apr 6, 2020 at 2:12 PM Satish Balay <balay at mcs.anl.gov>
> > wrote:
> > > > >
> > > > > > you can try:
> > > > > >
> > > > > > --download-pastix --download-hwloc
> > > > > > --download-hwloc-configure-arguments=--without-x
> > > > > >
> > > > > > We should fix this to automatically use --with-x=0/1
> > > > > >
> > > > > > Satish
> > > > > >
> > > > > > On Mon, 6 Apr 2020, Alfredo Jaramillo wrote:
> > > > > >
> > > > > > > hello everyone,
> > > > > > >
> > > > > > > I have a fresh installation of the 3.13.0 version with pastix.
> > Like
> > > > with
> > > > > > > previous versions, I'm using the options
> > > > > > >
> > > > > > > --with-x11=0 --with-x=0 --with-windows-graphics=0
> > > > > > >
> > > > > > > to disable X11
> > > > > > >
> > > > > > > however, when compiling my program foo and doing
> > > > > > >
> > > > > > > $ ldd foo
> > > > > > >
> > > > > > > between the linked libraries there appear:
> > > > > > > libXNVCtrl.so.0 and libX11.so.6
> > > > > > >
> > > > > > > the first one related to NVIDIA. I observed that this does not
> > happen
> > > > > > when
> > > > > > > installing PETSc without hwloc. In this new version, PETSc
> > requires
> > > > to
> > > > > > > install hwloc when trying to install pastix. In previous
> > versions of
> > > > > > PETSc
> > > > > > > (eg 3.11.2) that wasn't necessary.
> > > > > > >
> > > > > > > I'm working in a cluster where I have no access to these
> > X11-related
> > > > > > > libraries and that's why I need them not be linked. Is it there
> > some
> > > > way
> > > > > > to
> > > > > > > disable X11 when installing hwloc? maybe enforcing some
> > configuration
> > > > > > > variables when installing it through petsc or installing it
> > > > > > independently?
> > > > > > >
> > > > > > > thanks a lot!
> > > > > > >
> > > > > > > Below the configuration command of the two installations I've
> > tried
> > > > with
> > > > > > > the 3.13.0 version.
> > > > > > >
> > > > > > > =================== WITH PASTIX ===================
> > > > > > >
> > > > > > > ./configure --with-make-np=20
> > > > > > > --with-petsc-arch=x64go-3.13-openmpi-4.0.1-pastix-64
> > > > --with-debugging=0
> > > > > > > --doCleanup=0 \
> > > > > > > --with-mpi=1 \
> > > > > > > --with-valgrind=1
> > > > --with-valgrind-dir=$PATH_TO_VALGRIND/valgrind-3.15.0 \
> > > > > > > --download-scalapack \
> > > > > > > --download-openblas \
> > > > > > > --download-mumps \
> > > > > > > --download-superlu_dist \
> > > > > > > --download-metis \
> > > > > > > --download-parmetis \
> > > > > > > --download-ptscotch \
> > > > > > > --download-hypre \
> > > > > > >
> > > > > > > *--download-pastix \--download-hwloc \*
> > > > > > > --with-64-bit-indices=1 \
> > > > > > > LDFLAGS=$LDFLAGS CPPFLAGS=$CPPFLAGS \
> > > > > > > --with-cxx-dialect=C++11 \
> > > > > > > --with-x11=0 --with-x=0 --with-windows-graphics=0 \
> > > > > > > COPTFLAGS="-O3 -march=native -mtune=native" \
> > > > > > > CXXOPTFLAGS="-O3 -march=native -mtune=native" \
> > > > > > > FOPTFLAGS="-O3 -march=native -mtune=native"
> > > > > > >
> > > > > > > =================== WITHOUT PASTIX ===================
> > > > > > >
> > > > > > > the same as above but the options "--download-pastix
> > > > --download-hwloc"
> > > > > > >
> > > > > > > ======================================================
> > > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > > >
> > >
> >
> >
> 