4 ms·
I'm far from an expert here but it sounds like you'd have to keep track of CPU extensions on a per core and per thread basis and I don't think most OSs actually
by Symmetry 8y ago
I'm far from an expert here but it sounds like you'd have to keep track of CPU extensions on a per core and per thread basis and I don't think most OSs actually do that.
- aidenn0 8y agoOr just catch an illegal instruction trap and move the thread to a big core if it's on a little core.
- jandrese 8y agoOr vice versa? The talk here was about how the specialized crypto hardware was only on the little core because it isn't necessary on the big one.
- blattimwind 8y agoThe Atom encryption engine stuff isn't in the micro-arch though. Afaik you'd use it via kernel APIs.