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Clear up the old SLEPc solver before we start calling SLEPc EPS. #2160

Merged
merged 1 commit into from
Jun 14, 2019
Merged

Clear up the old SLEPc solver before we start calling SLEPc EPS. #2160

merged 1 commit into from
Jun 14, 2019

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fdkong
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@fdkong fdkong commented Jun 13, 2019

If we call solve() of slepc_eigen_solver multiple times, we should obtain the same answer.

If we do not clear up the old EPS, it looks like there are messing things in EPS. And then we will
get a different answer when we have the second call to EPS.

@fdkong
Clear up the old SLEPc solver before
7f6a6d1 
we start calling SLEPc EPS.

If we call solve() of slepc_eigen_solver multiple times, we
should obtain the same answer.
@fdkong
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fdkong commented Jun 13, 2019

With this PR:


    0 SNES Function norm 1.520716975995e+00 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.696519119790e+00 
      1 KSP Residual norm 2.893983715520e-01 
      2 KSP Residual norm 3.131442395511e-02 
      3 KSP Residual norm 2.196588825071e-03 
    1 SNES Function norm 3.383179290924e-03 
  Eigenvalue approximations and residual norms for init_ solve.
  1 EPS nconv=0 first unconverged value (error) 0.22938 (5.57630260e-01)
  Convergence history for init_ solve.
    0 SNES Function norm 4.399653225677e-01 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 3.782877471581e-01 
      1 KSP Residual norm 8.608657083165e-02 
      2 KSP Residual norm 1.087851356848e-02 
      3 KSP Residual norm 1.000427307757e-03 
    1 SNES Function norm 1.752363031393e-03 
  2 EPS nconv=0 first unconverged value (error) 0.200693 (1.00440851e-01)
    0 SNES Function norm 7.018753319355e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 5.808585140763e-02 
      1 KSP Residual norm 5.826308953839e-03 
      2 KSP Residual norm 9.113390855171e-04 
      3 KSP Residual norm 1.656464664521e-04 
    1 SNES Function norm 2.038369802119e-04 
  3 EPS nconv=0 first unconverged value (error) 0.199989 (1.18148384e-02)
    0 SNES Function norm 1.454902453088e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.459993361555e-02 
      1 KSP Residual norm 1.398730209428e-03 
      2 KSP Residual norm 1.524219962445e-04 
      3 KSP Residual norm 8.411150081858e-06 
    1 SNES Function norm 1.559599309553e-05 
  4 EPS nconv=0 first unconverged value (error) 0.199944 (3.03022695e-03)
    0 SNES Function norm 3.998372883770e-03 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 4.750421587783e-03 
      1 KSP Residual norm 7.948572489406e-04 
      2 KSP Residual norm 1.270462053019e-04 
      3 KSP Residual norm 2.689792713037e-05 
    1 SNES Function norm 4.150465570584e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.754335336188e-05 
      1 KSP Residual norm 6.936526165641e-06 
      2 KSP Residual norm 1.394184390534e-06 
      3 KSP Residual norm 1.855852408203e-07 
    2 SNES Function norm 2.099278851623e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.855397331793e-07 
      1 KSP Residual norm 3.918410394159e-08 
      2 KSP Residual norm 5.558715017116e-09 
      3 KSP Residual norm 1.426322307769e-09 
    3 SNES Function norm 2.269197579773e-09 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.426321557354e-09 
      1 KSP Residual norm 3.943404366367e-10 
      2 KSP Residual norm 5.471665678170e-11 
      3 KSP Residual norm 1.201403029169e-11 
    4 SNES Function norm 1.125481702364e-11 
  1 EPS converged value (error) #0 0.199942 (4.34139698e-10)
           k           ||Ax-kx||/|kx|
   ----------------- -----------------
       0.199942           5.001460

    0 SNES Function norm 1.520716975995e+00 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.696519119790e+00 
      1 KSP Residual norm 2.893983715520e-01 
      2 KSP Residual norm 3.131442395511e-02 
      3 KSP Residual norm 2.196588825071e-03 
    1 SNES Function norm 3.383179290924e-03 
  Eigenvalue approximations and residual norms for init_ solve.
  1 EPS nconv=0 first unconverged value (error) 0.22938 (5.57630260e-01)
  Convergence history for init_ solve.
    0 SNES Function norm 4.399653225677e-01 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 3.782877471581e-01 
      1 KSP Residual norm 8.608657083165e-02 
      2 KSP Residual norm 1.087851356848e-02 
      3 KSP Residual norm 1.000427307757e-03 
    1 SNES Function norm 1.752363031393e-03 
  2 EPS nconv=0 first unconverged value (error) 0.200693 (1.00440851e-01)
    0 SNES Function norm 7.018753319355e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 5.808585140763e-02 
      1 KSP Residual norm 5.826308953839e-03 
      2 KSP Residual norm 9.113390855171e-04 
      3 KSP Residual norm 1.656464664521e-04 
    1 SNES Function norm 2.038369802119e-04 
  3 EPS nconv=0 first unconverged value (error) 0.199989 (1.18148384e-02)
    0 SNES Function norm 1.454902453088e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.459993361555e-02 
      1 KSP Residual norm 1.398730209428e-03 
      2 KSP Residual norm 1.524219962445e-04 
      3 KSP Residual norm 8.411150081858e-06 
    1 SNES Function norm 1.559599309553e-05 
  4 EPS nconv=0 first unconverged value (error) 0.199944 (3.03022695e-03)
    0 SNES Function norm 3.998372883770e-03 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 4.750421587783e-03 
      1 KSP Residual norm 7.948572489406e-04 
      2 KSP Residual norm 1.270462053019e-04 
      3 KSP Residual norm 2.689792713037e-05 
    1 SNES Function norm 4.150465570584e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.754335336188e-05 
      1 KSP Residual norm 6.936526165641e-06 
      2 KSP Residual norm 1.394184390534e-06 
      3 KSP Residual norm 1.855852408203e-07 
    2 SNES Function norm 2.099278851623e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.855397331793e-07 
      1 KSP Residual norm 3.918410394159e-08 
      2 KSP Residual norm 5.558715017116e-09 
      3 KSP Residual norm 1.426322307769e-09 
    3 SNES Function norm 2.269197579773e-09 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.426321557354e-09 
      1 KSP Residual norm 3.943404366367e-10 
      2 KSP Residual norm 5.471665678170e-11 
      3 KSP Residual norm 1.201403029169e-11 
    4 SNES Function norm 1.125481702364e-11 
  1 EPS converged value (error) #0 0.199942 (4.34139698e-10)
           k           ||Ax-kx||/|kx|
   ----------------- -----------------
       0.199942           5.001460

    0 SNES Function norm 1.520716975995e+00 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.696519119790e+00 
      1 KSP Residual norm 2.893983715520e-01 
      2 KSP Residual norm 3.131442395511e-02 
      3 KSP Residual norm 2.196588825071e-03 
    1 SNES Function norm 3.383179290924e-03 
  Eigenvalue approximations and residual norms for init_ solve.
  1 EPS nconv=0 first unconverged value (error) 0.22938 (5.57630260e-01)
  Convergence history for init_ solve.
    0 SNES Function norm 4.399653225677e-01 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 3.782877471581e-01 
      1 KSP Residual norm 8.608657083165e-02 
      2 KSP Residual norm 1.087851356848e-02 
      3 KSP Residual norm 1.000427307757e-03 
    1 SNES Function norm 1.752363031393e-03 
  2 EPS nconv=0 first unconverged value (error) 0.200693 (1.00440851e-01)
    0 SNES Function norm 7.018753319355e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 5.808585140763e-02 
      1 KSP Residual norm 5.826308953839e-03 
      2 KSP Residual norm 9.113390855171e-04 
      3 KSP Residual norm 1.656464664521e-04 
    1 SNES Function norm 2.038369802119e-04 
  3 EPS nconv=0 first unconverged value (error) 0.199989 (1.18148384e-02)
    0 SNES Function norm 1.454902453088e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.459993361555e-02 
      1 KSP Residual norm 1.398730209428e-03 
      2 KSP Residual norm 1.524219962445e-04 
      3 KSP Residual norm 8.411150081858e-06 
    1 SNES Function norm 1.559599309553e-05 
  4 EPS nconv=0 first unconverged value (error) 0.199944 (3.03022695e-03)
    0 SNES Function norm 3.998372883770e-03 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 4.750421587783e-03 
      1 KSP Residual norm 7.948572489406e-04 
      2 KSP Residual norm 1.270462053019e-04 
      3 KSP Residual norm 2.689792713037e-05 
    1 SNES Function norm 4.150465570584e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.754335336188e-05 
      1 KSP Residual norm 6.936526165641e-06 
      2 KSP Residual norm 1.394184390534e-06 
      3 KSP Residual norm 1.855852408203e-07 
    2 SNES Function norm 2.099278851623e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.855397331793e-07 
      1 KSP Residual norm 3.918410394159e-08 
      2 KSP Residual norm 5.558715017116e-09 
      3 KSP Residual norm 1.426322307769e-09 
    3 SNES Function norm 2.269197579773e-09 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.426321557354e-09 
      1 KSP Residual norm 3.943404366367e-10 
      2 KSP Residual norm 5.471665678170e-11 
      3 KSP Residual norm 1.201403029169e-11 
    4 SNES Function norm 1.125481702364e-11 
  1 EPS converged value (error) #0 0.199942 (4.34139698e-10)
           k           ||Ax-kx||/|kx|
   ----------------- -----------------
       0.199942           5.001460

Without this PR:

    0 SNES Function norm 1.520716975995e+00 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.696519119790e+00 
      1 KSP Residual norm 2.893983715520e-01 
      2 KSP Residual norm 3.131442395511e-02 
      3 KSP Residual norm 2.196588825071e-03 
    1 SNES Function norm 3.383179290924e-03 
  Eigenvalue approximations and residual norms for init_ solve.
  1 EPS nconv=0 first unconverged value (error) 0.22938 (5.57630260e-01)
  Convergence history for init_ solve.
    0 SNES Function norm 4.399653225677e-01 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 3.782877471581e-01 
      1 KSP Residual norm 8.608657083165e-02 
      2 KSP Residual norm 1.087851356848e-02 
      3 KSP Residual norm 1.000427307757e-03 
    1 SNES Function norm 1.752363031393e-03 
  2 EPS nconv=0 first unconverged value (error) 0.200693 (1.00440851e-01)
    0 SNES Function norm 7.018753319355e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 5.808585140763e-02 
      1 KSP Residual norm 5.826308953839e-03 
      2 KSP Residual norm 9.113390855171e-04 
      3 KSP Residual norm 1.656464664521e-04 
    1 SNES Function norm 2.038369802119e-04 
  3 EPS nconv=0 first unconverged value (error) 0.199989 (1.18148384e-02)
    0 SNES Function norm 1.454902453088e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.459993361555e-02 
      1 KSP Residual norm 1.398730209428e-03 
      2 KSP Residual norm 1.524219962445e-04 
      3 KSP Residual norm 8.411150081858e-06 
    1 SNES Function norm 1.559599309553e-05 
  4 EPS nconv=0 first unconverged value (error) 0.199944 (3.03022695e-03)
    0 SNES Function norm 3.998372883770e-03 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 4.750421587783e-03 
      1 KSP Residual norm 7.948572489406e-04 
      2 KSP Residual norm 1.270462053019e-04 
      3 KSP Residual norm 2.689792713037e-05 
    1 SNES Function norm 4.150465570584e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.754335336188e-05 
      1 KSP Residual norm 6.936526165641e-06 
      2 KSP Residual norm 1.394184390534e-06 
      3 KSP Residual norm 1.855852408203e-07 
    2 SNES Function norm 2.099278851623e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.855397331793e-07 
      1 KSP Residual norm 3.918410394159e-08 
      2 KSP Residual norm 5.558715017116e-09 
      3 KSP Residual norm 1.426322307769e-09 
    3 SNES Function norm 2.269197579773e-09 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.426321557354e-09 
      1 KSP Residual norm 3.943404366367e-10 
      2 KSP Residual norm 5.471665678170e-11 
      3 KSP Residual norm 1.201403029169e-11 
    4 SNES Function norm 1.125481702364e-11 
  1 EPS converged value (error) #0 0.199942 (4.34139698e-10)
           k           ||Ax-kx||/|kx|
   ----------------- -----------------
       0.199942           5.001460

    0 SNES Function norm 1.520716975995e+00 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.696519119790e+00 
      1 KSP Residual norm 2.893983715520e-01 
      2 KSP Residual norm 3.131442395511e-02 
      3 KSP Residual norm 2.196588825071e-03 
    1 SNES Function norm 3.383179290924e-03 
  Eigenvalue approximations and residual norms for init_ solve.
  1 EPS nconv=0 first unconverged value (error) 0.22938 (5.57630260e-01)
  Convergence history for init_ solve.
    0 SNES Function norm 4.399653225677e-01 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 3.782877471581e-01 
      1 KSP Residual norm 8.608657083165e-02 
      2 KSP Residual norm 1.087851356848e-02 
      3 KSP Residual norm 1.000427307757e-03 
    1 SNES Function norm 1.752363031393e-03 
  2 EPS nconv=0 first unconverged value (error) 0.200693 (1.00440851e-01)
    0 SNES Function norm 7.018753319355e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 5.808585140763e-02 
      1 KSP Residual norm 5.826308953839e-03 
      2 KSP Residual norm 9.113390855171e-04 
      3 KSP Residual norm 1.656464664521e-04 
    1 SNES Function norm 2.038369802119e-04 
  3 EPS nconv=0 first unconverged value (error) 0.199989 (1.18148384e-02)
    0 SNES Function norm 1.454902453088e-02 
      Residual norms for init_eps_power_ solve.
      0 KSP Residual norm 1.459993361555e-02 
      1 KSP Residual norm 1.398730209428e-03 
      2 KSP Residual norm 1.524219962445e-04 
      3 KSP Residual norm 8.411150081858e-06 
    1 SNES Function norm 1.559599309553e-05 
  4 EPS nconv=0 first unconverged value (error) 0.199944 (3.03022695e-03)
    0 SNES Function norm 3.998372883770e-03 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 4.750421587783e-03 
      1 KSP Residual norm 4.035934028237e-04 
      2 KSP Residual norm 4.983710002228e-05 
      3 KSP Residual norm 6.839474851852e-06 
    1 SNES Function norm 1.369063694101e-03 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.752174621456e-03 
      1 KSP Residual norm 1.333867473979e-04 
      2 KSP Residual norm 1.653685639862e-05 
    2 SNES Function norm 5.143218496040e-04 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 6.714655554932e-04 
      1 KSP Residual norm 5.042433700521e-05 
      2 KSP Residual norm 6.379706243505e-06 
    3 SNES Function norm 1.977998853369e-04 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.594768762751e-04 
      1 KSP Residual norm 1.944493301907e-05 
      2 KSP Residual norm 2.469813987320e-06 
    4 SNES Function norm 7.654213667144e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.004815990843e-04 
      1 KSP Residual norm 7.550066410751e-06 
      2 KSP Residual norm 9.564012055906e-07 
    5 SNES Function norm 2.967005689547e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 3.893274067076e-05 
      1 KSP Residual norm 2.939088196048e-06 
      2 KSP Residual norm 3.705017812297e-07 
    6 SNES Function norm 1.150689652239e-05 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.508728918377e-05 
      1 KSP Residual norm 1.145332974681e-06 
      2 KSP Residual norm 1.436327361472e-07 
    7 SNES Function norm 4.463444843344e-06 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 5.846938636451e-06 
      1 KSP Residual norm 4.465174075447e-07 
      2 KSP Residual norm 5.572409115796e-08 
    8 SNES Function norm 1.731439830897e-06 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.265966413136e-06 
      1 KSP Residual norm 1.741029825411e-07 
      2 KSP Residual norm 2.163204160666e-08 
    9 SNES Function norm 6.716668265948e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 8.781765136677e-07 
      1 KSP Residual norm 6.788450221245e-08 
      2 KSP Residual norm 8.401120856521e-09 
   10 SNES Function norm 2.605575842959e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 3.403393575209e-07 
      1 KSP Residual norm 2.646654790127e-08 
      2 KSP Residual norm 3.263561299853e-09 
   11 SNES Function norm 1.010775004352e-07 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.318997713985e-07 
      1 KSP Residual norm 1.031734118959e-08 
      2 KSP Residual norm 1.267967086532e-09 
   12 SNES Function norm 3.921075637791e-08 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 5.111840131778e-08 
      1 KSP Residual norm 4.021356002266e-09 
      2 KSP Residual norm 4.926620521718e-10 
   13 SNES Function norm 1.521091913576e-08 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.981124722531e-08 
      1 KSP Residual norm 1.567136412804e-09 
      2 KSP Residual norm 1.914216189052e-10 
   14 SNES Function norm 5.900719932507e-09 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 7.677993549826e-09 
      1 KSP Residual norm 6.106168194463e-10 
      2 KSP Residual norm 7.437357241704e-11 
   15 SNES Function norm 2.289042135092e-09 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 2.975672536575e-09 
      1 KSP Residual norm 2.378800987996e-10 
      2 KSP Residual norm 2.889503129367e-11 
   16 SNES Function norm 8.879770346727e-10 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.153251528902e-09 
      1 KSP Residual norm 9.265643188079e-11 
      2 KSP Residual norm 1.122536459661e-11 
   17 SNES Function norm 3.444679654415e-10 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 4.469557594839e-10 
      1 KSP Residual norm 3.608461478650e-11 
      2 KSP Residual norm 4.360605027473e-12 
   18 SNES Function norm 1.336273626718e-10 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 1.732236076771e-10 
      1 KSP Residual norm 1.405072944535e-11 
      2 KSP Residual norm 1.693785110405e-12 
   19 SNES Function norm 5.183705860731e-11 
      Residual norms for eps_power_ solve.
      0 KSP Residual norm 6.713525896494e-11 
      1 KSP Residual norm 5.470249872389e-12 
      2 KSP Residual norm 6.578677739349e-13 
   20 SNES Function norm 2.010884384360e-11 
  1 EPS converged value (error) #0 0.199942 (1.46146704e-11)
  1 EPS converged value (error) #0 0.199942 (1.46146704e-11)
           k           ||Ax-kx||/|kx|
   ----------------- -----------------
       0.199942           5.001460

[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[0]PETSC ERROR: Argument out of range
[0]PETSC ERROR: Too many EPS monitors set
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.11.2, unknown 
[0]PETSC ERROR: ../../../moose_test-dbg on a arch-darwin-c-opt-v3.11.2-64 named fn604208 by kongf Thu Jun 13 13:55:22 2019
[0]PETSC ERROR: Configure options --with-debugging=yes --with-shared-libraries=1 --with-mpi=1 --download-fblaslapack=1 --download-metis=1 --download-parmetis=1 --download-superlu_dist=1 --download-hypre=1 PETSC_ARCH=arch-darwin-c-opt-v3.11.2-64 --with-64-bit-indices=1 --download-ptscotch=1 --with-cxx-dialect=C++11 --with-clanguage=c++ PETSC_DIR=/Users/kongf/projects/petsc
[0]PETSC ERROR: #1 EPSMonitorSet() line 83 in /Users/kongf/projects/slepc/src/eps/interface/epsmon.c
[0]PETSC ERROR: #2 EPSConvMonitorSetFromOptions() line 87 in /Users/kongf/projects/slepc/src/eps/interface/epsopts.c
[0]PETSC ERROR: #3 EPSSetFromOptions() line 248 in /Users/kongf/projects/slepc/src/eps/interface/epsopts.c
application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0

@roystgnr
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Well, this is definitely a huge improvement.

I assume there's no performance hit from doing a wholesale clear() vs trying to figure out exactly what to zero out? That probably forces memory deallocation+reallocation but only once per solve in large chunks ought to be okay.

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fdkong commented Jun 13, 2019

Well, this is definitely a huge improvement.

I assume there's no performance hit from doing a wholesale clear() vs trying to figure out exactly what to zero out? That probably forces memory deallocation+reallocation but only once per solve in large chunks ought to be okay.

We are actually doing the same thing for nonlinear_petsc_solver. We won't deallocate matrix and vector created in libmesh. What is doing is just Destroy EPS and create a new one.

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fdkong commented Jun 14, 2019

@roystgnr Anything else?

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Just wanted time for others to have a chance to weigh in.

@roystgnr roystgnr merged commit a350d42 into libMesh:master Jun 14, 2019
@fdkong fdkong mentioned this pull request Jul 9, 2019
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@roystgnr roystgnr mentioned this pull request Jul 26, 2022
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