AMR-Wind code performance

Overview

The relevant code versions are

The initial 15,000 second precursor 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

5.4 hours

CPU-hours

4821.7

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

15,000 sec

Simulation timestep

0.2 sec

Total mesh size

50,331,648

Num mesh elements/rank

56,174

Average time spent every iteration in the following categories:

Category

Time [s]

Pre-processing

0.00107678

Solve

0.554703

Post-processing

0.0899544

Total

0.645733

Log file

Header

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

  AMR-Wind version :: v3.1.4-17-gf67a52dd
  AMR-Wind Git SHA :: f67a52dd6aa1882595d16700527470bc8097cb13
  AMReX version    :: 24.09-6-gde4dc974dda7

  Exec. time       :: Sat Dec 14 13:38:30 2024
  Build time       :: Sep 26 2024 23:36:43
  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():    5.930747028
Time spent in Evolve():      19372.8704