AMR-Wind code performance

Overview (Grid C)

The relevant code versions are

AMR-Wind version: 32811b18af31e7b54f7e5cb23c6ead424f21f1f0

The job was run on the NREL’s Kestrel HPC cluster, on CPU nodes, using the following resources:

Parameter	Value
Number of nodes	20
Number of CPUs	2080
Wall-time	144 hours
CPU-hours	299520

The overall simulation parameters

Parameter	Value
Total simulation time	125000.0 sec
Simulation timestep	0.5 sec
Total mesh size	48,234,496
Num mesh elements/rank	23,190

Average time spent every iteration in the following categories:

Category	Time [s]
Pre-processing	0.0041
Solve	2.23
Post-processing	0.024
Total	2.257

Log file

Header

==============================================================================
                AMR-Wind (https://github.com/exawind/amr-wind)

  AMR-Wind version :: v3.1.5-11-g32811b18
  AMR-Wind Git SHA :: 32811b18af31e7b54f7e5cb23c6ead424f21f1f0
  AMReX version    :: 24.09-45-g6d9c25b989f1

  Exec. time       :: Thu Oct 24 18:32:32 2024
  Build time       :: Oct 14 2024 08:26:23
  C++ compiler     :: IntelLLVM 2023.2.0

  MPI              :: ON    (Num. ranks = 2080)
  GPU              :: OFF
  OpenMP           :: OFF

  Enabled third-party libraries:
    NetCDF    4.9.2
    HYPRE     2.31.0

           This software is released under the BSD 3-clause license.
 See https://github.com/Exawind/amr-wind/blob/development/LICENSE for details.
------------------------------------------------------------------------------

Grid Refinement Study (Grid D)

The relevant code versions are

AMR-Wind version: b3cf40a884f79c9127bb2d7fa0381995a2893f99

The job was run on the Sandia Flight HPC cluster using the following resources:

Parameter	Value
Number of nodes	64
Number of CPUs	7168
Wall-time	177.68 hours
CPU-hours	1273610.24

with the following machine specifications:

Parameter	Value
CPU processor type	Intel® Xeon® Platinum 8480+
CPU processor speed	3800 Mhz
Node interconnects	Cornelis Omni-Path high-speed interconnect

The overall simulation parameters

Parameter	Value
Total simulation time	125000 sec
Simulation timestep	0.25 sec
Total mesh size	385,875,968
Num mesh elements/rank	53,833

Average time spent every iteration in the following categories:

Category	Time [s]
Pre-processing	0.0055
Solve	1.0803
Post-processing	0.2070
Total	1.2929

Log file

Header

==============================================================================
                AMR-Wind (https://github.com/exawind/amr-wind)

  AMR-Wind version :: v3.4.0-1-gb3cf40a8
  AMR-Wind Git SHA :: b3cf40a884f79c9127bb2d7fa0381995a2893f99
  AMReX version    :: 25.01-16-g92d35c2c8163

  Exec. time       :: Mon Feb 24 07:43:25 2025
  Build time       :: Feb 11 2025 18:58:02
  C++ compiler     :: GNU 12.1.0

  MPI              :: ON    (Num. ranks = 7168)
  GPU              :: OFF
  OpenMP           :: OFF

  Enabled third-party libraries: 
    NetCDF    4.9.2
    OpenFAST  

           This software is released under the BSD 3-clause license.           
 See https://github.com/Exawind/amr-wind/blob/development/LICENSE for details. 
------------------------------------------------------------------------------