# Field Notes

> Loong0x00 的现场记录。

Evidence-bounded technical field notes by Loong0x00. Canonical HTML is intended for people; Markdown alternates preserve the same article semantics for machines.

## Research notes

- [XBAR in NVIDIA Blackwell GPUs: A Physical Clock Domain Ignored by Public Tooling](https://loong0x00.com/notes/blackwell-xbar-physical-clock-domain/index.md): Runtime control, hardware counters, V/F state, and workload controls on GB202 distinguish XBAR requests, shared-MSVDD arbitration, driver telemetry, and physical voltage.

## Evidence and data

- [XBAR evidence bundle index](https://loong0x00.com/downloads/xbar/INDEX.md): raw notes, CSV data, hashes, runnable code, and verification boundaries.
- [Atom feed](https://loong0x00.com/feed.xml): publication updates.
- [Sitemap](https://loong0x00.com/sitemap.xml): canonical HTML pages.
- [Full machine-readable corpus](https://loong0x00.com/llms-full.txt): all published note text in one file.