# AMR-Wind code performance

## Overview

The relevant code versions are

- AMR-Wind version: [26063277b57415e735274c0d366ff702ca14fc14](https://github.com/Exawind/amr-wind/commit/26063277b57415e735274c0d366ff702ca14fc14)
- OpenFAST version: [Release 4.0.2](https://github.com/OpenFAST/openfast/releases/tag/v4.0.2)

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       | 21.6 hours|
| CPU-hours       | 19316.9    | 

with the following machine specifications: 

| Parameter           | Value |
|---                  |---  |
| CPU processor type  | Intel(R) Xeon(R) 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 | 0.0880013|
|Solve          | 1.14988|
|Post-processing| 0.102376|
|**Total**      | 1.34027 |

## 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       :: Mon Apr  7 20:04:24 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():    6.769109511
Time spent in Evolve():      77873.35066
```