[petsc-users] PETSc without debugging

[Michele Rosso]

Matt,

thank you very much. I apologize for this idiotic mistake.

Michele

On 03/14/2016 06:26 PM, Matthew Knepley wrote:
> On Mon, Mar 14, 2016 at 8:10 PM, Michele Rosso <mrosso at uci.edu 
> <mailto:mrosso at uci.edu>> wrote:
>
>     Hi,
>
>     I compiled the development branch of PETSc with
>     "--with-debugging=0", but log_view warns me that I am running in
>     debugging mode:
>
>     ##########################################################
>           #     #
>           #                          WARNING!!!     #
>           #     #
>           #   This code was compiled with a debugging option,     #
>           #   To get timing results run ./configure     #
>           #   using --with-debugging=no, the performance will     #
>           #   be generally two or three times faster.     #
>           #     #
>     ##########################################################
>
>     I attached the full output of log_view: it seems that I configured
>     PETSc correctly.
>     Can I safely ignore this or I am missing something?
>
>
> From the log you sent:
>
> Configure options: --known-level1-dcache-size=16384 --known-level1-dcache-linesize=64 --known-level1-dcache-assoc=4 --known-sizeof-char=1 --known-sizeof-void-p=8 --known-sizeof-short=2 --known-sizeof-int=4 --known-sizeof-long=8 --known-sizeof-long-long=8 --known-sizeof-float=4 --known-sizeof-double=8 --known-sizeof-size_t=8 --known-bits-per-byte=8 --known-memcmp-ok=1 --known-sizeof-MPI_Comm=4 --known-sizeof-MPI_Fint=4 --known-mpi-long-double=1 --known-mpi-int64_t=1 --known-mpi-c-double-complex=1 --known-sdot-returns-double=0 --known-snrm2-returns-double=0 --known-has-attribute-aligned=1 --prefix=/u/sciteam/mrosso/libs/petsc/gnu/4.9/opt --with-batch="1 " --known-mpi-shared="0 " --known-mpi-shared-libraries=0 --known-memcmp-ok  --with-blas-lapack-lib=/opt/acml/5.3.1/gfortran64/lib/libacml.a --COPTFLAGS="-march=bdver1 -O3 -ffast-math -fPIC" --FOPTFLAGS="-march=bdver1 -O3 -ffast-math -fPIC" --CXXOPTFLAGS="-march=bdver1 -O3 -ffast-math -fPIC" --with-x="0 " --with-debugging=O --with-clib-autodetect="0 " --with-cxxlib-autodetect="0 " --with-fortranlib-autodetect="0 " --with-shared-libraries="0 " --with-mpi-compilers="1 " --with-cc="cc " --with-cxx="CC " --with-fc="ftn " --download-hypre=1 --download-blacs="1 " --download-scalapack="1 " --download-superlu_dist="1 " --download-metis="1 " --download-parmetis="1 " PETSC_ARCH=gnu-opt-32idx
> It looks like you have set
>
>   --with-debugging=O
>
> not
>
>   --with-debugging=0
>
>   Thanks,
>
>     Matt
>
>     Thanks,
>     Michele
>
>
>
>
> -- 
> 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

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