4 ms·

I suppose they'll leverage 'function multi-version'[1], as Clear Linux already does[2] to enable extra instructions on the big cores. [1]: `target_clones` -> h

I suppose they'll leverage 'function multi-version'[1], as Clear Linux already does[2] to enable extra instructions on the big cores. [1]: `target_clones` -> https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attribute... [2]: https://github.com/clearlinux/make-fmv-patch https://github.com/clearlinux/make-fmv-patch

davrosthedalek 6y ago
That seems hard to do with preemptive scheduling. AFAIK, the decision is on function level, and done at startup. Even if you can decide on call-time, it's only function level, and the preemption can happen mid-function.
loeg 6y ago
That only works if your code is never migrated between cores.