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mcgratta merged 2 commits into from
Jun 2, 2025
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FDS Verification: Add README files for scaling tests #14709

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872bd3a
FDS Verification: Update OMP_Scaling_Tests
mcgratta Jun 2, 2025
89fd7c4
FDS Verification: Notes for MPI_Scaling
mcgratta Jun 2, 2025
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11 changes: 9 additions & 2 deletions Utilities/Matlab/FDS_validation_dataplot_inputs.csv
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Expand Up @@ -6932,8 +6932,15 @@ s,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
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9 changes: 9 additions & 0 deletions Validation/MPI_Scaling_Tests/README.md
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# MPI Scaling Tests

The sub-folder `FDS_Input_Files` contains a set of input files used to test the MPI functionality in FDS. There are two sets of tests. The first, `strong_scaling_test_N.fds`, is a simple simulation that runs for 100 time steps. The integer `N` indicates the number of meshes. `N=001` is a single mesh case run with 1 MPI process (and 1 OpenMP thread). `N=008` is this same case, but divided into 8 meshes and run with 8 MPI processes (and still only 1 OpenMP thread). `N=432` is the same case divided into 432 meshes and run with 432 MPI processes. Becaues there is the same number of grid cells in total, the run times decrease with the increasing number of meshes. Ideally, the 432 mesh case would run 432 times faster than the 1 mesh case, but obviously inefficiencies will not allow this.

The cases labelled `weak_scaling_test_N` consists of `N` 50 by 50 by 50 cell meshes forming a line of connected meshes in the x-direction. Each case is run with `N` MPI processes, and ideally each job should take the same amount of wall clock time.

The script `Run_All.sh` can be used to run the cases, and `Process_All.sh` copies the output to the `out` repository.


5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128a.fds
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&HEAD CHID='openmp_test128a', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128b.fds
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&HEAD CHID='openmp_test128b', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128c.fds
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&HEAD CHID='openmp_test128c', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128d.fds
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&HEAD CHID='openmp_test128d', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128e.fds
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&HEAD CHID='openmp_test128e', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128f.fds
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&HEAD CHID='openmp_test128f', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128g.fds
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&HEAD CHID='openmp_test128g', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test128h.fds
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&HEAD CHID='openmp_test128h', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=128,128,128, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=1.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64a.fds
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@@ -1,10 +1,5 @@
&HEAD CHID='openmp_test64a', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64b.fds
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@@ -1,10 +1,5 @@
&HEAD CHID='openmp_test64b', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64c.fds
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@@ -1,10 +1,5 @@
&HEAD CHID='openmp_test64c', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64d.fds
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&HEAD CHID='openmp_test64d', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64e.fds
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@@ -1,10 +1,5 @@
&HEAD CHID='openmp_test64e', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64f.fds
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&HEAD CHID='openmp_test64f', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64g.fds
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&HEAD CHID='openmp_test64g', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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5 changes: 0 additions & 5 deletions Validation/OMP_Scaling_Tests/FDS_Input_Files/openmp_test64h.fds
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&HEAD CHID='openmp_test64h', TITLE='General purpose input file to test FDS timings' /

REM DO NOT EDIT the .fds input files directly. When making changes:
REM 1. edit the template file, makecase.sh
REM 2. rerun the script makecases.sh
REM 3. commit updated openmp_test64...fds and openmp_test128...fds input files

&MESH IJK=64,64,64, XB=0.0,1.0,0.0,1.0,0.0,1.0 /

&TIME T_END=10.0 /
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9 changes: 9 additions & 0 deletions Validation/OMP_Scaling_Tests/README.md
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# OpenMP Scaling Tests

The sub-folder `FDS_Input_Files` contains a set of input files used to test the OpenMP functionality in FDS. There are two sets of tests. The first, `openmp_test64n.fds`, is a single mesh case with 64 by 64 by 64 grid cells. It runs for 10~s of simulation time. The case `openmp_test64a.fds` is run with one OpenMP thread, `openmp_test64b.fds` is run with two, and so on up to `openmp_test64h.fds` which is run with eight. The cases are all run on a single dedicated node with no other jobs running.

The cases labelled `test128n.fds` are similar, but with a mesh of 128 by 128 by 128 grid cells.

The script `Run_All.sh` can be used to run the cases, and `Process_All.sh` copies the output to the `out` repository.