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library/cpp/yt/cpu_clock/clock.h
38 строк
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qkrorlqr
Initial NBS OpenSource export
28 апр 2023, 21:54
28 апр 2023, 21:54
783a858
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#pragma once #include "public.h" #include <util/datetime/base.h> namespace NYT { //////////////////////////////////////////////////////////////////////////////// //! Returns the current processor clock (typically obtained via |rdtscp| instruction). TCpuInstant GetCpuInstant(); //! Returns the approximate current processor clock (obtained via |rdtsc| instruction). TCpuInstant GetApproximateCpuInstant(); //! Returns the current time (obtained via #GetCpuInstant). TInstant GetInstant(); //! Converts a number of processor ticks into a regular duration. TDuration CpuDurationToDuration(TCpuDuration cpuDuration); //! Converts a regular duration into the number of processor ticks. TCpuDuration DurationToCpuDuration(TDuration duration); //! Converts a processor clock into the regular time instant. TInstant CpuInstantToInstant(TCpuInstant cpuInstant); //! Converts a regular time instant into the processor clock. TCpuInstant InstantToCpuInstant(TInstant instant); //////////////////////////////////////////////////////////////////////////////// } // namespace NYT #define CLOCK_INL_H_ #include "clock-inl.h" #undef CLOCK_INL_H_