Files
HealthLog/src/lib/cycle
Marc-André Bombeck 4bb03600b3 perf(dashboard): cache today's cycle read and run the vitals reads together
The digest is polled every 120 seconds. Its cycle line read the whole
cycle history, 90 days of day logs and wrist temperature on every poll,
outside any cache, and the coincident-deviation engine walked its eleven
vitals one after another, two queries each.

The cycle read now rides the digest extras cell, which every cycle write
already hard-evicts; the cycle preferences route evicts it too, and a
module switch does through the health-score invalidator. A record without
a cycle profile stops after one point read. The per-vital reads run
together and are folded in registry order, so the result does not depend
on which finished first.

On a seeded four-year account (1.25M measurements, 52 cycles) under a
792 MB heap, the warm digest went from 9.9 to 5.0 ms and the vitals engine
from 11.1 to 4.6 ms (medians of four interleaved rounds).
2026-10-05 08:34:28 +02:00
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