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by fwsgonzo 1582 days ago
There seems to be a lot of guessing by the author. VMs that run on the CPU have the same performance as everyone else, except when you trap into the hypervisor, and especially on buggy CPUs. Now, there are a lot of buggy CPUs out there right now, so I won't say any more. But just imagine a world where we have a fully working io_uring (all system calls that make sense), and less buggy CPUs.