4 ms·
My understanding is that some large parts of the feature set aren't usable anyhow. E.g. there's enough of a ramp up/ramp down power cost for the vector units th
by pdpi 9y ago
My understanding is that some large parts of the feature set aren't usable anyhow. E.g. there's enough of a ramp up/ramp down power cost for the vector units that you'd never want to compile your binaries with SSE/AVX turned on unless your workload makes near constant use of those units.
- sigi45 9y agoI have never heard that one before. Do you have any sources for that?
- Jenya_ 9y agohttps://www.quora.com/Why-are-AVX-instructions-so-power-hungry https://www.quora.com/Why-are-AVX-instructions-so-power-hung... https://news.ycombinator.com/item?id=13925039 https://news.ycombinator.com/item?id=13925039
- pdpi 9y agoThanks for the quotes. Apparently I slightly misremembered the problem. From the second one, this is what I was thinking about: https://news.ycombinator.com/item?id=13926839 https://news.ycombinator.com/item?id=13926839