RISC-V spec references the word ‘hart’ – what does ‘hart’ mean?
Yes, a hart is a hardware thread.
hyperthreading
How to Detect the Number of Physical Processors / Cores on Windows, Mac and Linux
EDIT: This is no longer 100% correct due to Intel’s ongoing befuddlement. The way I understand the question is that you are asking how to detect the number of CPU cores vs. CPU threads which is different from detecting the number of logical and physical cores in a system. CPU cores are often not considered … Read more
What are the differences between multi-CPU, multi-core and hyper-thread?
Multi-CPU was the first version: You’d have one or more mainboards with one or more CPU chips on them. The main problem here was that the CPUs would have to expose some of their internal data to the other CPU so they wouldn’t get in their way. The next step was hyper-threading. One chip on … Read more