Posts
All the articles I've posted.
Validating a system that never returns the same answer twice
27 min readValidating a system that never returns the same answer twice: what qualification becomes when the output is distributional, and where sampling breaks.
The guarantee is marginal and the audit is not
47 min readA conformal coverage guarantee is marginal, not conditional, so it can hold overall and fail on exactly the subgroup your fairness audit is about.
The wall an 8B model hits on a mid-tier Android phone
32 min readAn 8B model on a $250 Android phone hits a bandwidth ceiling, a residency ceiling and a thermal ceiling, in that order, and dies mid-sentence.
Tail sampling has three ways to lose the trace you wanted
24 min readTail sampling fixes head sampling and adds three quieter ways to lose the same traces, none visible in the config and none logged as an error.
Model Armor and DLP have to get through the perimeter too
32 min readThe content screens you put inline are themselves services behind the same wall. The endpoint Model Armor needs, and the field that says a screen ran.
Who runs the OAuth flow decides your network topology
24 min readWho runs the OAuth flow decides your network topology. Token exchange across agent hops, and why an act claim records who acted but never when.