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Tools / Networking

CPU Affinity in OpenMP and MPI Applications

Get better performance from your nodes by binding processes and associating memory to specific cores.

By Jeff Layton

Updated Sep 4, 2026 5:02 PM / Published Feb 5, 2022 2:00 AM 13 min read

Magazine binding edges — Lead Image © podfoto, 123RF.com

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Jeff Layton

Jeff has been in the HPC business for over 30 years (starting when he was 4 years old). When he’s not grappling with a stubborn systemd script, he’s looking for deals for his home cluster.