Long energy and thermal test of observable P8
P8-S1 preserves P8-S0 performance and meets paired energy noninferiority during long direct-counter runs.
Diagnostic work, exact algebra and local capabilities are not treated as end-to-end mining advantage.
What was tested?
P8-S1 preserves P8-S0 performance and meets paired energy noninferiority during long direct-counter runs.
Why the test is meaningful
A latency option can replace the default only if its synchronization overhead is bounded in throughput, energy and temperature under a sealed paired protocol.
R_E=(J/hash)_S1/(J/hash)_S0energy gate: CI95_upper≤1.003R_process=throughput_S1/throughput_S0How it was tested
Run 64 long paired processes on four new headers, two ABBA+BAAB cycles each, with frozen S0/S1, cumulative NVML energy and at least 507 thermal samples per process.
What happened
S1 retained 0.999833 kernel and 0.999965 process throughput; observation was 0.020378 s. Energy/hash was 0.998873 and 3/4 headers passed, but CI95 upper was 1.003106—0.000106 above the fixed gate. Maximum temperature was 66°C.
Exactness and statistical controls
SHA-256d/B32, compiled factors, pairing and thermal gates passed; the preregistered statistical boundary alone failed.
What the result means
The valid campaign shows no meaningful point regression, but cannot promote S1. P8-S0 remains default pending an independent long replication.
Limitations
- The CI missed the energy gate by 0.000106.
- Only four headers were used.
- A favorable point estimate is not confirmation.
Evidence trail
Repeat the frozen S0/S1 long paired protocol on eight unseen headers with direct energy and the unchanged 1.003 bound.
Canonical variants
CANONICAL-EXP-157PREREGISTERED-CAMPAIGNSEALED-AUDITSource: internally audited canonical reports. Local filesystem structure, private headers and operational identifiers are excluded from publication.