Ansys Fluent and OpenFOAM using Intel Hybrid architecture processors
Channel: Wolf Dynamics World
Date: 2024-01-14

😎 In this video, we explore a few of the issues you might face with OpenFOAM and Ansys Fluent if you have an Intel Hybrid architecture processor.

Why this video?
I bought a laptop with an Intel Core i9-13980HX (Hybrid architecture P + E cores), and most of my critical tasks (including OpenFOAM and Ansys Fluent) were running with efficiency cores (E-cores) instead of performance cores (P-cores). This issue was killing me, so I almost returned the computer 🤬. At this point, I found a solution that works most of the time. Hopefully, this will also help you. 


Additional links:

Intel Core i9-13980HX using E-cores instead of P-cores | 8 tips to solve the issue
https://youtu.be/49a-y_OxP_A

Intel Core i9-13980HX using E-cores instead of P-cores | Problem Solved
https://youtu.be/-9CfzFje3PA


Chapters:
00:00 Introduction
01:59 About the task manager
02:50 let's launch Ansys Fluent as an administrator
05:12 The task is using the P-cores
08:29 Power settings
10:12 Let's launch Ansys Fluent as a regular user
13:25 Another trip - Setting the affinity and the priority manually
15:12 Power settings again
16:10 Should I use all the efficiency cores?
16:59 What about Powershell and WSL?
19:25 I like to launch Ansys Fluent from the power
20:27 Some comments about VMware - Final remarks


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#computationalfluiddynamics #ansysfluent #ansys #openfoam #oversetmeshes #cfd #intel #wsl2