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Uncontended mutex operations are cheap and do not require core-core communication. Contended operations are expensive, whether they are mutex acquisitions, ato
by gpderetta 4y ago
Uncontended mutex operations are cheap and do not require core-core communication.
Contended operations are expensive, whether they are mutex acquisitions, atomic RMW or plain writes.
- benreesman 4y agoAh I missed your comment when writing my sibling. Your comment is much more succinct while making the point at least as well if not better.