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initialize USSP_WN for mod_def #1165

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JessicaMeixner-NOAA
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Pull Request Summary

Initialize USSP_WN for mod_def

Description

If a compiler assigns random numbers instead of zeros you will notice that mod_defs are different because of USSP_WN. While the uninitialized variables are never used, this insures the array is initialized to zero and clean things up for compilers that assign random numbers.

Please also include the following information:

  • Add any suggestions for a reviewer: @MatthewMasarik-NOAA
  • Mention any labels that should be added: bug
  • Are answer changes expected from this PR? Since these variables are never used if you use a compiler that initializes the values to zero by default you will not notice any answer changes. If your compiler initalizes things to random values, you will see differences in mod_defs, but no other answer changes.

Issue(s) addressed

Closes #1160

Commit Message

initialize USSP_WN for mod_def

Check list

Testing

  • How were these changes tested? Matrix of regtests on hera with intel. Note other smaller tests were done on hercules + gnu on a branch which is what exposed this issue. We do not see answer changes on hera+intel
  • Are the changes covered by regression tests? (If not, why? Do new tests need to be added?) To see the impact a particular machine/compiler combo is needed.
  • Have the matrix regression tests been run (if yes, please note HPC and compiler)? intel on hera
  • Please indicate the expected changes in the regression test output, (Note the list of known non-identical tests.)
    Depends on compiler, but for hera+intel, only non-b4b. If you have a compiler that initializes to random numbers, mod_defs will be different.
  • Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):

matrixCompFull.txt
matrixCompSummary.txt
matrixDiff.txt

**********************************************************************
********************* non-identical cases ****************************
**********************************************************************
mww3_test_03/./work_PR3_UQ_MPI_e_c                     (1 files differ)
mww3_test_03/./work_PR2_UQ_MPI_e                     (1 files differ)
mww3_test_03/./work_PR2_UNO_MPI_e                     (1 files differ)
mww3_test_03/./work_PR2_UNO_MPI_d2                     (16 files differ)
mww3_test_03/./work_PR1_MPI_d2                     (8 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2_c                     (16 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2_c                     (16 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2                     (16 files differ)
mww3_test_03/./work_PR2_UQ_MPI_d2                     (16 files differ)
mww3_test_03/./work_PR3_UQ_MPI_e                     (1 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2                     (15 files differ)
mww3_test_09/./work_MPI_ASCII                     (0 files differ)
ww3_tp2.10/./work_MPI_OMPH                     (7 files differ)
ww3_tp2.16/./work_MPI_OMPH                     (4 files differ)
ww3_tp2.6/./work_ST4_ASCII                     (0 files differ)
ww3_ufs1.3/./work_a                     (3 files differ)

@MatthewMasarik-NOAA
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Thanks @JessicaMeixner-NOAA, I'll put the tests in!

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@MatthewMasarik-NOAA MatthewMasarik-NOAA left a comment

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Code review
Pass

Testing
Pass

Regtests show only the known non-b4b's for changes (with the exception of
ww3_tp2.14/work_OASACM5, which is explained below).

**********************************************************************
********************* non-identical cases ****************************
**********************************************************************
mww3_test_03/./work_PR1_MPI_e                     (1 files differ)
mww3_test_03/./work_PR2_UNO_MPI_e                     (1 files differ)
mww3_test_03/./work_PR2_UNO_MPI_d2                     (16 files differ)
mww3_test_03/./work_PR1_MPI_d2                     (12 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2_c                     (16 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2_c                     (15 files differ)
mww3_test_03/./work_PR3_UNO_MPI_d2                     (14 files differ)
mww3_test_03/./work_PR2_UQ_MPI_d2                     (15 files differ)
mww3_test_03/./work_PR3_UQ_MPI_e                     (1 files differ)
mww3_test_03/./work_PR3_UNO_MPI_e_c                     (1 files differ)
mww3_test_03/./work_PR3_UQ_MPI_d2                     (16 files differ)
mww3_test_09/./work_MPI_ASCII                     (0 files differ)
ww3_tp2.10/./work_MPI_OMPH                     (7 files differ)
ww3_tp2.16/./work_MPI_OMPH                     (4 files differ)
ww3_tp2.6/./work_ST4_ASCII                     (0 files differ)
ww3_ufs1.3/./work_a                     (3 files differ)
##

ww3_tp2.14/./work_OASACM5                     (1 files differ)
**********************************************************************
************************ identical cases *****************************
**********************************************************************

Note: The logfiles ww3_tp2.14/work_OASACM5/OUTPUT.txt differ with the following line of text

APPLE partitioning

This occurs from time to time and isn't thought to be an issue.

Approved.

@MatthewMasarik-NOAA MatthewMasarik-NOAA merged commit 026fcdd into NOAA-EMC:develop Jan 22, 2024
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@MatthewMasarik-NOAA
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Thanks for catching this initialization issue @JessicaMeixner-NOAA.

miguelsolanocordoba added a commit to wavespotter/WW3 that referenced this pull request Apr 19, 2024
* Bugfix - initialised VD and VS to zero in w3srcemd. (NOAA-EMC#1037)

* More efficient test for binary files in matrix.comp (NOAA-EMC#1035)

* Tidy up of pre-processor directives and unused variables in w3srcemd.F90 (NOAA-EMC#1010)

* Correct typo in w3srcemd.F90 pre-processor directive. (NOAA-EMC#1039)

* minor bugfix for matrix grepping on keywords (NOAA-EMC#1049)

* Stop masking group 1 output where icec > icen (NOAA-EMC#1019)

* Doxygen documentation added, 8th subset.(NOAA-EMC#1046)

* NC4 ,F90 ,XX0 switches removed from ww3_tp2.19 regtest (NOAA-EMC#1054)

* CI:  Fix for Intel scripts. GNU scripts updated. (NOAA-EMC#1064)

* correct the computation of QP parameter, add QKK output parameter, change UST scale factor (NOAA-EMC#1050)

* correct issue with ww3_multi when requesting restart2 and using nml file instead of inp file (NOAA-EMC#1070)

* correct calendar for track netcdf output (NOAA-EMC#1079)

* Fix missing mod_def.ww3 file in multigrid regression tests for track output (NOAA-EMC#1091)

* STAB3: fix cmake build for ST4 or ST3 (NOAA-EMC#1086)

* new feature to output out_grd.ww3, out_pnt.ww3 and mod_def.ww3 both in binary and ascii format using switch ASCII. (NOAA-EMC#1089)

* Update local unit number arrays (NDS, MDS) to be same size of array defined in w3odatmd (size=15). Also, defined unit numbers for NDS(14) and NDS(15). (NOAA-EMC#1098)

* Removed code referencing PHIOC in output section for PHICE in ww3_ounf (NOAA-EMC#1093)

* implementation of the GQM (Gaussian Quadrature Method) to replace the DIA in NL1 or NL2. (NOAA-EMC#1083)

* update logic to ensure you are not accessing uninitialized dates (NOAA-EMC#1114)

* Initialised S and D arrays in W3SDB1 before potential early return if zero energy. (NOAA-EMC#1115)

* ww3_ounp.F90:  x/y units attribute corrected from 'm' to 'km' (NOAA-EMC#1088)

* Bugfix: Assign unit numbers to ASCII gridded/point output in multi-grid mode. (NOAA-EMC#1118)

* correct bugs to run correctly GQM implementation (NOAA-EMC#1127)

* Adding documentation to w3iopo() in preparation for code for NOAA-EMC#682. (NOAA-EMC#1131)

* NCEP regtest module updates: uses spack-stack/1.5.0, includes scotch/7.0.4 (NOAA-EMC#1137)

* Minor update to ncep regtests (NOAA-EMC#1138)

* Updated intel workflow to install oneapi compilers from new location. (NOAA-EMC#1157)

* Add unit test for points I/O code. (NOAA-EMC#1158)

* Update Intel CI (relocate /usr/local; ensure intel-oneapi-mpi; use ubuntu-latest) (NOAA-EMC#1161)

* remove lookup table for ST4 to speed up computation and clean up the ST4 code (NOAA-EMC#1124)

Co-authored-by: Fabrice Ardhuin <[email protected]>

* initialize USSP_WN for mod_def (NOAA-EMC#1165)

* Introduce IC4M8 and IC4M9 to WW3 (NOAA-EMC#1176)

* clean up and add ST4 variables (NOAA-EMC#1181)

* w3fld1md.F90: fix divide by zero in CRIT2 parameter (NOAA-EMC#1184)

* ww3_prnc.F90: fix out-of-scope grid index write statement (NOAA-EMC#1185)

* Bugfix: address potential divide-by-zero in APPENDTAIL (NOAA-EMC#1188)

Co-authored-by: Denise Worthen <[email protected]>

* Provide initial drying of cells with depth < ZLIM for SMC grid. (NOAA-EMC#1192)

* Output OMP threading info to screen when running ww3_shel/ww3_multi compiled with the OMPG switch. Also fixes truncation of build.log when running run_cmake_build. (NOAA-EMC#1191)

* Added screen output showing number of threads when OMP enabled.

* update build to get more info in logs (NOAA-EMC#46)

---------

Co-authored-by: Jessica Meixner <[email protected]>

* update run_cmake_test to catch build errors and exit (NOAA-EMC#1194)

* fix merge conflicts

* Fix gustiness bug, as suggst by Pieter

* Change USTARsigma to WAM implementation

---------

Co-authored-by: Chris Bunney <[email protected]>
Co-authored-by: Mickael Accensi <[email protected]>
Co-authored-by: Benoit Pouliot <[email protected]>
Co-authored-by: Matthew Masarik <[email protected]>
Co-authored-by: Ghazal-Mohammadpour <[email protected]>
Co-authored-by: Jessica Meixner <[email protected]>
Co-authored-by: Biao Zhao <[email protected]>
Co-authored-by: Edward Hartnett <[email protected]>
Co-authored-by: Alex Richert <[email protected]>
Co-authored-by: Fabrice Ardhuin <[email protected]>
Co-authored-by: W. Erick Rogers <[email protected]>
Co-authored-by: Denise Worthen <[email protected]>
Co-authored-by: Camille Teicheira <[email protected]>
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Variable USSP_WN is not initialized for full array
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