OK, that makes sense, it fails when my velocity grid gets not tiny. I can use tine velocity grids for now.
On Tue, May 2, 2017 at 11:18 AM, Matthew Knepley <[email protected]> wrote: > On Tue, May 2, 2017 at 10:10 AM, Mark Adams <[email protected]> wrote: > >> /Users/markadams/Codes/petsc/arch-macosx-gnu-O/bin/mpiexec -n 1 ./vml >> -v_coord_cylinder -x_dm_refine 2 -v_dm_refine 2 -snes_rtol 1.e-6 -snes_stol >> 1.e-6 -ts_type cn -snes_fd -pc_type lu -ksp_type preonly >> -x_petscspace_order 1 -x_petscspace_poly_tensor -v_petscspace_order 1 >> -v_petscspace_poly_tensor -ts_dt .1 -ts_max_steps 10 -ts_final_time 1e10 >> -verbose 3 -num_species 1 -snes_monitor -masses 1,2,4 -thermal_temps >> 30,30,30 -domainv_lo -2,-2 -domainv_hi 2,2 -domainx_lo -12,-12 -domainx_hi >> 12,12 -E 0,0 -blobx_radius 2 -x_dm_view hdf5:x.h5 -x_vec_view >> hdf5:x.h5::append -v_dm_view hdf5:v.h5 -v_vec_view hdf5:v.h5::append >> -x_pre_dm_view hdf5:prex.h5 -x_pre_vec_view hdf5:prex.h5::append >> -snes_converged_reason -snes_linesearch_monitor -ts_adapt_monitor >> main call SetupXDiscretization >> main call SetInitialConditionDomain >> VMLViewX DMGetOutputSequenceNumber=-1, >> cmd_str=-x_pre_vec_view >> 0) species 0: charge density= -2.3940791757186e+00, z-momentum= >> 5.9851979392559e-01, energy= 3.2314073646197e-01, thermal-flux= >> 2.4419137539877e-01 >> 0) Normalized: charge density= -2.3940791757186e+00, z >> momentum= 5.9851979392559e-01, energy= 3.2314073646197e-01, thermal flux= >> 2.4419137539877e-01, local: 64 X cells, 81 X vertices >> VMLViewX DMGetOutputSequenceNumber=0, cmd_str=(null) >> VMLViewV DMGetOutputSequenceNumber=-1 >> 0 SNES Function norm 4.097052680599e+00 >> 1 SNES Function norm 1.213148652908e-09 >> Nonlinear solve did not converge due to DIVERGED_FUNCTION_COUNT >> iterations 1 >> > > Neat! Mark, I think this has to do with you calling SNESEvaluateFunc() > inside another one. We limit the number of function evaluations > to 10,000 by default, mostly to corral line searches. I think you hit > this, and thus need to up the count. > > Thanks, > > Matt > > >> TSAdapt none step 0 stage rejected t=0 + 1.000e-01, >> nonlinear solve failures 1 greater than current TS allowed >> [0]PETSC ERROR: --------------------- Error Message >> -------------------------------------------------------------- >> [0]PETSC ERROR: >> [0]PETSC ERROR: TSStep has failed due to DIVERGED_NONLINEAR_SOLVE, >> increase -ts_max_snes_failures or make negative to attempt recovery >> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html >> for trouble shooting. >> [0]PETSC ERROR: Petsc Development GIT revision: v3.7.6-3659-g699918129c >> GIT Date: 2017-04-26 08:18:35 -0400 >> [0]PETSC ERROR: ./vml on a arch-macosx-gnu-O named MarksMac-5.local by >> markadams Tue May 2 11:04:02 2017 >> [0]PETSC ERROR: Configure options --with-cc=clang --with-cc++=clang++ >> COPTFLAGS="-O3 -g -mavx2" CXXOPTFLAGS="-O3 -g -mavx2" FOPTFLAGS="-O3 -g >> -mavx2" --download-mpich=1 --download-parmetis=1 --download-metis=1 >> --download-hypre=1 --download-ml=1 --download-triangle=1 >> --download-ctetgen=1 --download-p4est=1 --with-x=0 --download-superlu_dist >> --download-superlu --download-ctetgen --with-debugging=0 --download-hdf5=1 >> PETSC_ARCH=arch-macosx-gnu-O --download-chaco --with-viewfromoptions=1 >> >> >> On Mon, May 1, 2017 at 10:25 PM, Barry Smith <[email protected]> wrote: >> >>> >>> and >>> >>> -snes_linesearch_monitor >>> -ts_adapt_monitor >>> >>> >>> > On May 1, 2017, at 7:51 PM, Matthew Knepley <[email protected]> wrote: >>> > >>> > Run with -snes_converged_reason. >>> > >>> > Matt >>> > >>> > On Mon, May 1, 2017 at 7:14 PM, Mark Adams <[email protected]> wrote: >>> > I get this SNES failure and I don't understand what the problem is. >>> The rtol is 1.e-6 and the first iteration reduces the residual by 9 orders >>> of magnitude. Yet, TS is not satisfied. What is going on here? >>> > >>> > mpiexec -n 1 ./vml -v_coord_cylinder -x_dm_refine 2 -v_dm_refine 2 >>> -snes_rtol 1.e-6 -snes_stol 1.e-6 -ts_type cn -snes_fd -pc_type lu >>> -ksp_type preonly -x_petscspace_order 1 -x_petscspace_poly_tensor >>> -v_petscspace_order 1 -v_petscspace_poly_tensor -ts_dt .1 -ts_max_steps 10 >>> -ts_final_time 1e10 -verbose 3 -num_species 1 -snes_monitor -masses 1,2,4 >>> -thermal_temps 30,30,30 -domainv_lo -2,-2 -domainv_hi 2,2 -domainx_lo >>> -12,-12 -domainx_hi 12,12 -E 0,0 -blobx_radius 2 -x_dm_view hdf5:x.h5 >>> -x_vec_view hdf5:x.h5::append -v_dm_view hdf5:v.h5 -v_vec_view >>> hdf5:v.h5::append -x_pre_dm_view hdf5:prex.h5 -x_pre_vec_view >>> hdf5:prex.h5::append >>> > .... >>> > >>> > 0 SNES Function norm 4.097052680599e+00 >>> > 1 SNES Function norm 1.213148652908e-09 >>> > [0]PETSC ERROR: --------------------- Error Message >>> -------------------------------------------------------------- >>> > [0]PETSC ERROR: >>> > [0]PETSC ERROR: TSStep has failed due to DIVERGED_NONLINEAR_SOLVE, >>> increase -ts_max_snes_failures or make negative to attempt recovery >>> > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/d >>> ocumentation/faq.html for trouble shooting. >>> > [0]PETSC ERROR: Petsc Development GIT revision: >>> v3.7.6-3659-g699918129c GIT Date: 2017-04-26 08:18:35 -0400 >>> > [0]PETSC ERROR: ./vml on a arch-macosx-gnu-O named MarksMac-5.local by >>> markadams Mon May 1 19:21:32 2017 >>> > [0]PETSC ERROR: Configure options --with-cc=clang --with-cc++=clang++ >>> COPTFLAGS="-O3 -g -mavx2" CXXOPTFLAGS="-O3 -g -mavx2" FOPTFLAGS="-O3 -g >>> -mavx2" --download-mpich=1 --download-parmetis=1 --download-metis=1 >>> --download-hypre=1 --download-ml=1 --download-triangle=1 >>> --download-ctetgen=1 --download-p4est=1 --with-x=0 --download-superlu_dist >>> --download-superlu --download-ctetgen --with-debugging=0 --download-hdf5=1 >>> PETSC_ARCH=arch-macosx-gnu-O --download-chaco --with-viewfromoptions=1 >>> > >>> > >>> > >>> > >>> > -- >>> > 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 >>> >>> >> > > > -- > 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 >
