3 ms·
The sysadmin of my university's HPC turned off AMD's equivalent of hyperthreading as he claimed that if you run huge loads, running a single thread on each core
by sva_ 3y ago
The sysadmin of my university's HPC turned off AMD's equivalent of hyperthreading as he claimed that if you run huge loads, running a single thread on each core gets you more compute. I found that fairly peculiar. I think the CPUs are Zen3.
- cmdrk 3y agoas with many things HPC the answer is... it depends. another poster here commented on a 10% performance boost overall with HT on vs it off, that about matches up with my experience in an HPC-adjacent environment.