[petsc-dev] 4.2 and PETSc

[Daniel Lowell]

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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