Introduce Cycles32 for compact 32-bit cycle timestamp tracking - #449
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Introduces class Cycles32 to encapsulate 32-bit timestamp tracking by right-shifting clock.now() by kShift=20 bits (~1M cycles, ~0.35 ms granularity at 3 GHz). This extends the 32-bit epoch to ~17.3 days before wraparound. PiperOrigin-RevId: 958462641
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Introduce Cycles32 for compact 32-bit cycle timestamp tracking
Introduces class Cycles32 to encapsulate 32-bit timestamp tracking by
right-shifting clock.now() by kShift=20 bits (~1M cycles, ~0.35 ms granularity
at 3 GHz). This extends the 32-bit epoch to ~17.3 days before wraparound.