Mojo function

perf_counter

perf_counter() -> SIMD[float64, 1]

Return the value (in fractional seconds) of a performance counter, i.e. a clock with the highest available resolution to measure a short duration. It does include time elapsed during sleep and is system-wide. The reference point of the returned value is undefined, so that only the difference between the results of two calls is valid.

Returns:

The current time in ns.

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