4 ms·
The idea of big.LITTLE is that processes can be transparently moved between different cores by the OS, so any differences in ISA would need to be virtualised aw
by tveita 3y ago
The idea of big.LITTLE is that processes can be transparently moved between different cores by the OS, so any differences in ISA would need to be virtualised away by the operating system - or else you get crazy bugs like https://www.mono-project.com/news/2016/09/12/arm64-icache/ https://www.mono-project.com/news/2016/09/12/arm64-icache/
- pjmlp 3y agoAnyone that has done microarchitecture debugging with VTune knows those details matter.