Burn-in
Running new hardware hard for a period to surface early ('infant mortality') failures before production use.
Current numbers
≥3–4 weeksSemiAnalysis Oct 2024 recommendation: ≥3–4 weeks of factory high-temperature burn-in; not an observed settling time or universal acceptance duration
419unplanned interruptions over 54 days on 16,384 H100s (~1 every 3 hr); 78% hardware-caused — the case for a long burn-in gate