Hyperthreading The AMD EPYC 9534 processor features two threads per Zen 4 core for a potential of 128 threads per processor. This feature is known as hyperthreading and is disabled on Joule 3.0 due to power, licensing, and performance concerns. Doc navigation← Technical DetailsMPI and OpenMP Considerations → Was this article helpful to you? No Yes How can we help? Name Email Subject Message