high precision timers

[Valdis Kl=?utf-8?Q?=c4=93?=tnieks]

On Mon, 03 May 2021 00:56:17 +0900, Hyeonggon Yoo said:

> I mean, is there an API that guarantees high precision (non architecture
> dependent way)

How do you guarantee high precision if you're on hardware that doesn't
provide a high precision/resolution timer?
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