##########################################################
# #
# 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. #
# #
##########################################################
First you need to configure PETSc again without all the debugging. So do, for
example,
export PETSC=arch-opt
./configure --with-cc=gcc --with-fc=gfortran --with-cxx=g++
--with-scalar-type=complex --with-clanguage=C++ --with-cxx-dialect=C++11
--download-mpich --download-superlu_dist --download-mumps --download-scalapack
--download-parmetis --download-metis --download-elemental
make all test
then recompile and rerun your example again with -log_summary and send the
output.
Note that you should not pass --download-fblaslapack nor the fortran kernel
stuff.
Barry
> On Jun 26, 2015, at 12:16 PM, Li, Xinya <[email protected]> wrote:
>
> Barry,
>
> Thank you for your response.
>
> Attached is the output. SNESSolve was taking most of the time.
>
>
> Xinya
>
>
>
> -----Original Message-----
> From: Barry Smith [mailto:[email protected]]
> Sent: Thursday, June 25, 2015 5:47 PM
> To: Li, Xinya
> Cc: [email protected]
> Subject: Re: [petsc-users] TSSolve problems
>
>
> Run with -ts_view -log_summary and send the output. This will tell the
> current solvers and where the time is being spent.
>
> Barry
>
>> On Jun 25, 2015, at 6:37 PM, Li, Xinya <[email protected]> wrote:
>>
>> Dear Sir,
>>
>> I am using the ts solver to solve a set of ODE and DAE. The Jacobian matrix
>> is a 1152 *1152 sparse complex matrix.
>> Each TSStep in TSSolve is taking nearly 1 second. Thus, I need to improve
>> the speed of TSSolve.
>> Which parts should be taking into account to accelerate TSSolve?
>> Thank you very much.
>> Regards
>> __________________________________________________
>> Xinya Li
>> Scientist
>> EED/Hydrology
>> Pacific Northwest National Laboratory
>> 902 Battelle Boulevard
>> P.O. Box 999, MSIN K9-33
>> Richland, WA 99352 USA
>> Tel: 509-372-6248
>> Fax: 509-372-6089
>> [email protected]
>
> <288g1081b_short.log>
