[petsc-dev] 4.2 and PETSc

Satish Balay balay at mcs.anl.gov
Fri Apr 27 10:58:10 CDT 2012


send build logs to petsc-maint.

satish

On Fri, 27 Apr 2012, Daniel Lowell wrote:

> Even with the new build system I still had to go through and eliminate the
> -g3 in petscvariables
> 
> CC_FLAGS =  -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas
> -g3 -fno-inline -O0
> PCC_LINKER_FLAGS =    -Wall -Wwrite-strings -Wno-strict-aliasing
> -Wno-unknown-pragmas -g3 -fno-inline -O0
> PCC_FLAGS =  -Wall -Wwrite-strings -Wno-strict-aliasing
> -Wno-unknown-pragmas -g3 -fno-inline -O0
> 
> 
> On Mon, Apr 23, 2012 at 4:43 PM, Daniel Lowell <redratio1 at gmail.com> wrote:
> 
> > Sending the make.log to petsc-maint now.
> >
> >
> > On Mon, Apr 23, 2012 at 4:38 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> >
> >> but you missed copy/pasting the actual compile command. So incomplete
> >> info here..
> >>
> >> satish
> >>
> >> On Mon, 23 Apr 2012, Daniel Lowell wrote:
> >>
> >> > I added -v in the local folder's makefile to produce verbose output.
> >> >
> >> > On Mon, Apr 23, 2012 at 4:33 PM, Satish Balay <balay at mcs.anl.gov>
> >> wrote:
> >> >
> >> > > Hm - we've seen these errors with -g3 but not with -g. Are you sure
> >> > > there is no '-g3' somewhere on the compile command?
> >> > >
> >> > > With latest petsc-dev/buildsystem one should not see -g3 [set by
> >> configure]
> >> > >
> >> > > Also - why is there 'cicc' in a petsc build?
> >> > >
> >> > > Satish
> >> > >
> >> > > On Mon, 23 Apr 2012, Daniel Lowell wrote:
> >> > >
> >> > > > Hi all,
> >> > > >
> >> > > >
> >> > > > Has anyone run into any problems with NVCC 4.1 or .42 on PETSc with
> >> > > > arch=sm_20?
> >> > > > I have having real issues with it. I keep getting this:
> >> > > >
> >> > > > #$ cicc  -arch compute_20 -m64 -ftz=0 -prec_div=1 -prec_sqrt=1
> >> -fmad=1 -g
> >> > > > -O0 "/tmp/tmpxft_00000b8b_00000000-10_vecgpu"
> >> > > > "/tmp/tmpxft_00000b8b_00000000-7_vecgpu.cpp3.i"  -o
> >> > > > "/tmp/tmpxft_00000b8b_00000000-2_vecgpu.ptx"
> >> > > > <built-in>(2): error: "__STDC_HOSTED__" is predefined; attempted
> >> > > > redefinition ignored
> >> > > >
> >> > > > <built-in>(8): error: "__WCHAR_TYPE__" is predefined; attempted
> >> > > > redefinition ignored
> >> > > >
> >> > > > <built-in>(115): error: "__x86_64" is predefined; attempted
> >> redefinition
> >> > > > ignored
> >> > > >
> >> > > > <built-in>(116): error: "__x86_64__" is predefined; attempted
> >> > > redefinition
> >> > > > ignored
> >> > > >
> >> > > > <built-in>(126): error: "__linux__" is predefined; attempted
> >> redefinition
> >> > > > ignored
> >> > > >
> >> > > > <built-in>(128): error: "__unix__" is predefined; attempted
> >> redefinition
> >> > > > ignored
> >> > > >
> >> > > > 6 errors detected in the compilation of
> >> > > > "/tmp/tmpxft_00000b8b_00000000-7_vecgpu.cpp3.i".
> >> > > > # --error 0x1 --
> >> > > >
> >> > > >
> >> > > > 4.0 works fine, no issues.
> >> > > > 4.0 version uses the older nvopencc, in 4.1 and 4.2 they use
> >> something
> >> > > > called cicc, for target architecture sm_2x. Of course it does no
> >> mention
> >> > > > cicc in the updated nvcc documentation at all.
> >> > > >
> >> > > > Tried 4.2 with GCC 4.3 and 4.4 without any difference in behavior.
> >> > > >
> >> > > >
> >> > > > PETSc configuration script:
> >> > > >
> >> > > > MPI_DIR="--with-mpi-dir=$MPICH2_HOME"
> >> > > > LAD="--download-f-blas-lapack=yes"
> >> > > > CUD="--with-cuda-dir=/soft/cuda-4.2/cuda"
> >> > > > ./config/configure.py $MPI_DIR $LAD $CUD \
> >> > > > --with-debugging=1 \
> >> > > > --with-cudac="nvcc -m64 -g -G" \
> >> > > > --with-precision=double \
> >> > > > --with-clanguage=c \
> >> > > > --with-cuda-arch=sm_20
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > > >
> >> > >
> >> > >
> >> >
> >> >
> >> >
> >>
> >>
> >
> >
> > --
> > Daniel Lowell
> >
> >
> 
> 
> 




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