docs: drop machine hostname from benchmarks and notes

Stop hardcoding host name in README generator and local review/PERF docs.
Agent: Grok 4.5 (xAI).

Author: cottrell

PERF_2026-07-17.md

@@ -1,7 +1,7 @@
 # Performance: before/after the 2026-07-17 review fixes
 
 Author: Claude Code (agent), model `claude-fable-5`; implementation by a Sonnet subagent,
-measured on `bleepblop` against `benchmark_data/SwissProt.xml` (110 MB) and the synthetic
+measured against `benchmark_data/SwissProt.xml` (110 MB) and the synthetic
 `benchmark.py` corpus. Raw numbers persisted in `benchmark_data/benchmark_results.json`.
 
 ## The headline finding: everyone was benchmarking a debug build

README.md

@@ -39,7 +39,7 @@ From a clone: `make develop` (release extension; needed for honest benches/tests
 <!-- BEGIN BENCHMARKS -->
 Release builds only (`make develop` / `make build`). Debug extensions are ~9× slower.
 
-Numbers: **2026-07-17**, machine `bleepblop`. Source of truth: [`benchmark_data/benchmark_results.json`](benchmark_data/benchmark_results.json) (regenerate this section with `make readme-benchmarks`). Narrative: [`PERF_2026-07-17.md`](PERF_2026-07-17.md).
+Numbers: **2026-07-17**. Source of truth: [`benchmark_data/benchmark_results.json`](benchmark_data/benchmark_results.json) (regenerate this section with `make readme-benchmarks`). Narrative: [`PERF_2026-07-17.md`](PERF_2026-07-17.md).
 
 ### Full-document dict — `xml_to_dict` vs `xmltodict.parse`
 

REVIEW_2026-07-17.md

@@ -1,7 +1,7 @@
 # xml_iterator review — 2026-07-17
 
 Reviewer: Claude Code (agent), model `claude-fable-5` (Fable 5).
-All bugs below were reproduced against the currently built extension; timings measured on this machine (`bleepblop`) using the cached `benchmark_data/SwissProt.xml` (110 MB).
+All bugs below were reproduced against the currently built extension; timings measured using the cached `benchmark_data/SwissProt.xml` (110 MB).
 
 ## TL;DR
 

bench_common.py

@@ -392,7 +392,7 @@ def render_benchmarks_section(data: Optional[Dict[str, Any]] = None) -> str:
     lines: List[str] = [
         "Release builds only (`make develop` / `make build`). Debug extensions are ~9× slower.",
         "",
-        f"Numbers: **{stamp.split()[0] if stamp else 'unknown'}**, machine `bleepblop`. "
+        f"Numbers: **{stamp.split()[0] if stamp else 'unknown'}**. "
         f"Source of truth: [`benchmark_data/benchmark_results.json`](benchmark_data/benchmark_results.json) "
         f"(regenerate this section with `make readme-benchmarks`). "
         f"Narrative: [`PERF_2026-07-17.md`](PERF_2026-07-17.md).",