3 ms·
The context switching thing is the biggest. If you have something that's just making a huge number of syscall's in a tight loop the mitigations absolutely dump
by pstrateman 6y ago
The context switching thing is the biggest.
If you have something that's just making a huge number of syscall's in a tight loop the mitigations absolutely dumpster performance.
- alblue 6y agoIt can be mitigated somewhat if you have pcid enabled for the processors, so that a flush can be process specific instead of cpu-wide. There’s still a performance hit of course but you’re going to lose some locality with a context switch anyway.