Threads per core is 1, according lscpu. This is a Xeon desktop. Here's a documented example of an OpenBLAS threading issue from someone rather more knowledgea

Threads per core is 1, according lscpu. This is a Xeon desktop. Here's a documented example of an OpenBLAS threading issue from someone rather more knowledgeable than I am: https://github.com/xianyi/OpenBLAS/issues/731 https://github.com/xianyi/OpenBLAS/issues/731