3 ms·
The kernel does have access to these instructions. It is a deliberate choice by kernel developers not to use them in the case discussed here. In other cases t
by topspin 6y ago
The kernel does have access to these instructions. It is a deliberate choice by kernel developers not to use them in the case discussed here. In other cases the kernel does use such instructions.
- jiggawatts 6y agoStupid question: Does the entire AVX state need to be saved and restored for a memcpy routine? It seems like it would be sufficient to save at most a couple of registers for a tight copy loop...