[petsc-users] false negatives ontests

[Mark Adams]

Fair enough,
thanks,

On Fri, Apr 3, 2020 at 1:48 PM Matthew Knepley <knepley at gmail.com> wrote:

> On Fri, Apr 3, 2020 at 12:34 PM Mark Adams <mfadams at lbl.gov> wrote:
>
>> I run this test and it passes. But I know it's wrong so I* change a 6 to
>> a 7 in output/ex11_0.out *and I get this diff AND all the rest.
>> Any idea what is going on?
>>
>
> Yes. We do not compare any real number, only integers. Once you change an
> integer, you also get the diff
> of all the real numbers. This is, of course, not perfect, but we did not
> have the manpower to overhaul all tests
> to account for wibble among machines.
>
>    Matt
>
>
>> Thanks,
>>
>> 12:25 mark/feature-xgc-interface-rebase *> ~/Codes/petsc-master$ make -f
>> ./gmakefile test globsearch="dm_impls_plex_tutorials-ex11_0" PETSC_DIR=$PWD
>> Using MAKEFLAGS: PETSC_DIR=/Users/markadams/Codes/petsc-master
>> globsearch=dm_impls_plex_tutorials-ex11_0
>>         TEST
>> arch-macosx-gnu-g/tests/counts/dm_impls_plex_tutorials-ex11_0.counts
>>  ok dm_impls_plex_tutorials-ex11_0
>> not ok diff-dm_impls_plex_tutorials-ex11_0 # Error code: 1
>> #       55c55
>> #       <               ***** FormRHSSource: have new_imp_rate=
>>  4.975e+01 dt=0.125 stepi=1 time=  1.000e-01
>> #       ---
>> #       >               ***** FormRHSSource: have new_imp_rate=
>>  4.975e-04 dt=0.125 stepi=1 time=  1.000e-01
>> #       64,76c64,76
>> #       <     0 SNES Function norm 3.285336127013e-04
>> #       <     1 SNES Function norm 9.604648941118e-07
>> #       <     2 SNES Function norm 1.964241915657e-08
>> #       <     3 SNES Function norm 8.824980789615e-10
>> #       <     4 SNES Function norm 4.556683618010e-11
>> #       <     5 SNES Function norm 2.470586731358e-12
>> #       <     6 SNES Function norm 1.385600544214e-13
>>
>> *#       <   Nonlinear solve converged due to CONVERGED_SNORM_RELATIVE
>> iterations 7*#       <               ***** FormRHSSource: have
>> new_imp_rate=  1.981e+03 dt=0.125 stepi=1 time=  1.625e-01
>> #       < [0] TSAdaptChoose_Basic(): Estimated scaled local truncation
>> error 0.466012, accepting step of size 0.125
>> #       <   2) species-0: charge density= -1.6018377279742e+01
>> z-momentum= -2.8181973830519e-19 energy=  1.2008542897309e+05
>> #       <   2) species-1: charge density=  1.6024885661178e+01
>> z-momentum= -9.0961762196061e-18 energy=  1.2013832642627e+05
>> #       <         2) Total: charge density=  6.5083814358857e-03,
>> momentum= -9.3779959579113e-18, energy=  2.4022375539935e+05 (m_i[0]/m_e =
>> 3670.94, 80 cells)
>> #       ---
>> #       >     0 SNES Function norm 3.285336109721e-04
>> #       >     1 SNES Function norm 9.602918060455e-07
>> #       >     2 SNES Function norm 1.961138067634e-08
>> #       >     3 SNES Function norm 8.793960138447e-10
>> #       >     4 SNES Function norm 4.534301360955e-11
>> #       >     5 SNES Function norm 2.455937690832e-12
>> #       >     6 SNES Function norm 1.404599098408e-13
>>
>> *#       >   Nonlinear solve converged due to CONVERGED_SNORM_RELATIVE
>> iterations 6*#       >               ***** FormRHSSource: have
>> new_imp_rate=  5.192e-04 dt=0.125 stepi=1 time=  1.625e-01
>> #       > [0] TSAdaptChoose_Basic(): Estimated scaled local truncation
>> error 0.674842, accepting step of size 0.125
>> #       >   2) species-0: charge density= -1.6018371940813e+01
>> z-momentum= -6.0282835882130e-19 energy=  1.2008542888021e+05
>> #       >   2) species-1: charge density=  1.6024885680151e+01
>> z-momentum= -9.8338166614696e-18 energy=  1.2013832641421e+05
>> #       >         2) Total: charge density=  6.5137393379366e-03,
>> momentum= -1.0436645020291e-17, energy=  2.4022375529442e+05 (m_i[0]/m_e =
>> 3670.94, 80 cells)
>> #       78c78
>> #       < 2 TS dt 0.15625 time 0.225
>> #       ---
>> #       > 2 TS dt 0.136947 time 0.225
>>
>> # -------------
>> #   Summary
>> # -------------
>> # FAILED diff-dm_impls_plex_tutorials-ex11_0
>> # success 1/2 tests (50.0%)
>> # failed 1/2 tests (50.0%)
>> # todo 0/2 tests (0.0%)
>> # skip 0/2 tests (0.0%)
>> #
>> # Wall clock time for tests: 48 sec
>> # Approximate CPU time (not incl. build time): 47.74 sec
>> #
>> # To rerun failed tests:
>> #     /usr/bin/make -f gmakefile test test-fail=1
>> #
>> # Timing summary (actual test time / total CPU time):
>>
>
>
> --
> 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
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20200403/e9635de9/attachment.html>