Hyperthreading (HT) is a hardware technology. It allows a processor core to support two simultaneous threads of execution. For more information, consult sources such as: Hyper-threading - Wikipedia.
Hope this helps,
This message was posted on behalf of Intel Corporation
I understand you would like to know if it is possible to disable out-of-order execution on Apollo Lake processors.
I recommend contacting our developers so they can assist you better with this inquiry. There is a Community thread which provides some information about it https://software.intel.com/en-us/forums/intel-isa-extensions/topic/293589
You may also create your own thread on our developer’s forum.