On Tue, Mar 27, 2012 at 10:44 PM, David Fuentes <fuentesdt at gmail.com> wrote:
> Hi Satish, > > what version of cusp/thrust are you using with cuda 4.1 ? > Thrust is packaged with 4.1 and that is the one you should use (just --with-thrust). We use the latest pull from CUSP, which is 2.00 Matt > > 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". >> > >> >> > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120327/b96f3a05/attachment.html>
