[petsc-dev] cuda 4.1 errors with sm_20

[David Fuentes]

Hi Satish,

what version of cusp/thrust are you using with cuda 4.1 ?



On Tue, Mar 27, 2012 at 10:23 PM, Satish Balay <balay at mcs.anl.gov> wrote:

> Chetan, thanks for the note. I guess I should have first searched
> petsc archives :).
>
> Looks like we default to -g3 for gcc, but -g for g++/gfortran [due to
> bugs in some version of these compilers]. However -g3 is usefull for
> debugging macros - so its a good default.
>
> For now - I'm switching the default from -g3 to -g for cuda
> builds [one can always override this with COPTFLAGS options]
>
> Satish
>
> On Tue, 27 Mar 2012, Chetan Jhurani wrote:
>
> > Satish,
> >
> > This is because of -g3 option to nvcc.  Attaching my
> > earlier mail to petsc-maint.
> >
> > Chetan
> >
> > > -----Original Message-----
> > > From: petsc-dev-bounces at mcs.anl.gov [mailto:
> petsc-dev-bounces at mcs.anl.gov] On Behalf Of Satish Balay
> > > Sent: Tuesday, March 27, 2012 7:31 PM
> > > To: petsc-dev at mcs.anl.gov
> > > Subject: [petsc-dev] cuda 4.1 errors with sm_20
> > >
> > > I get errors with building petsc using cuda-4.1 with 'sm_20' on
> > > linux. Reverting to cuda-4.0 [with cusp-v0.3.1, thrust-1.6.0]
> > > overcomes this issue.
> > >
> > > >From
> > >
> http://developer.download.nvidia.com/compute/cuda/4_1/rel/toolkit/docs/CUDA_Toolkit_Release_Notes_And_
> > > Errata.txt
> > > * For target architecture sm_2x, a new compiler component 'cicc' is
> used instead of 'nvopencc'.
> > >
> > > So the new compiler used for sm20 - 'cicc' is perhaps buggy.
> > >
> > > Matt,Sean or Barry, Do you see the same behavior on Mac?
> > >
> > > Satish
> > > ---------------------------
> > > balay at bb30:~/petsc-dev/src/mat/impls/aij/seq/seqcusp>nvcc -g
> -arch=sm_20  -c --compiler-options="-Wall
> > > -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3
> -fno-inline -O0   -I/home/balay/petsc-
> > > dev/include -I/home/balay/petsc-dev/arch-cuda-double/include
> -I/usr/local/cuda/include -
> > > I/home/balay/petsc-dev/arch-cuda-double/include/txpetscgpu/include
> -I/usr/local/cusp-v0.3.1/  -
> > > D__INSDIR__=src/mat/impls/aij/seq/seqcusp/"  aijcusp.cu
> > > <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>(129): error: "__unix__" is predefined; attempted
> redefinition ignored
> > >
> > > <built-in>(130): error: "unix" is predefined; attempted redefinition
> ignored
> > >
> > > 7 errors detected in the compilation of
> "/tmp/tmpxft_00003334_00000000-7_aijcusp.cpp3.i".
> >
>
>
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