On Sat, Apr 28, 2018 at 08:29:48AM -0500, Satish Balay wrote:
>
> Also we print a summary of compile flags up in the log:
>
> Using Fortran compile: mpif90 -c -g -O2 -fstack-protector-strong -fPIC
> -Wdate-time -D_FORTIFY_SOURCE=2
> -fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.9.0+dfsg1=.
> -I/<<BUILDDIR>>/petsc-3.9.0+dfsg1/include
> -I/<<BUILDDIR>>/petsc-3.9.0+dfsg1/mips-linux-gnu-real-debug/include
> -I/usr/include/suitesparse -I/usr/include/superlu -I/usr/include/superlu-dist
> -I/usr/include/hypre -I/usr/include/hdf5/openmpi -I/usr/include/scotch
> -Wdate-time -D_FORTIFY_SOURCE=2
The failing command is:
mpif90 -c -g -O2 -fstack-protector-strong -fPIC -Wdate-time
-D_FORTIFY_SOURCE=2 -fdebug-prefix-map=/home/bunk/build/petsc-3.9.0+dfsg1=.
-I/home/bunk/build/petsc-3.9.0+dfsg1/include
-I/home/bunk/build/petsc-3.9.0+dfsg1/mips-linux-gnu-real-debug/include
-I/usr/include/suitesparse -I/usr/include/superlu -I/usr/include/superlu-dist
-I/usr/include/hypre -I/usr/include/hdf5/serial -I/usr/include/scotch
-Wdate-time -D_FORTIFY_SOURCE=2 -MMD -MP
/home/bunk/build/petsc-3.9.0+dfsg1/src/dm/f90-mod/petscdmmod.F -o
mips-linux-gnu-real-debug/obj/dm/f90-mod/petscdmmod.o
-J/home/bunk/build/petsc-3.9.0+dfsg1/mips-linux-gnu-real-debug/include
I am hitting the 2 GB limit even after changing to -g0 -O0.
> Also - current build is with:
> Using MAKEFLAGS: -j4 -l4 w -j4 -Oline --jobserver-auth=3,4 --
> PETSC_DIR=/<<BUILDDIR>>/petsc-3.9.0+dfsg1
> PETSC_ARCH=mips-linux-gnu-real-debug
> CFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.9.0+dfsg1=.
> CXXFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.9.0+dfsg1=.
> FCFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.9.0+dfsg1=.
> FFLAGS=-fdebug-prefix-map=/<<BUILDDIR>>/petsc-3.9.0+dfsg1=.
>
> If '-j1' is used - memory usage will go down a bit. [but might not be
> sufficient to clear the 2 GB limit]
This won't make a difference.
Overall memory usage is not a problem here, the machines do have 8 GB RAM.
> Satish
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
