AMR-Wind code performance

Overview

The relevant code versions are

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

Parameter

Value

Number of nodes

8

Number of CPUs

896

Wall-time

23.3 hours

CPU-hours

20862

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

1000 sec

Simulation timestep

0.0172 sec

Total mesh size

70,540,800

Num mesh elements/rank

78,729

Average time spent every iteration in the following categories:

Category

Time [s]

Pre-processing

0.135061

Solve

1.214

Post-processing

0.0937338

Total

1.44281

Log file

Header

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

  AMR-Wind version :: v3.4.0-16-g26063277
  AMR-Wind Git SHA :: 26063277b57415e735274c0d366ff702ca14fc14
  AMReX version    :: 25.02-23-g06b4a5b105f5

  Exec. time       :: Tue Mar 11 12:19:32 2025
  Build time       :: Mar 11 2025 12:12:38
  C++ compiler     :: GNU 12.1.0

  MPI              :: ON    (Num. ranks = 896)
  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. 
------------------------------------------------------------------------------

Footer

Time spent in InitData():    16.40593849
Time spent in Evolve():      83821.48584