e86a3b8254
The bench phase the handoff was written for is closed (splice benched, fast-seek landed, cache removed, decision made), so the note's live half — the firmware plumbing plan — moves into sync-commit-staging.md as "The fix — wiring the O(depth) splice into the firmware", reconciled to the run-5 state. The duplicated TL;DR/measurement summaries are dropped in favor of the curve's own trail; inbound references (notes index, git_bench comments) now point at the curve.
1.1 KiB
1.1 KiB
Tradeoff curves
Where a design knob has a cost that bends — energy, latency, memory — against an interval or size, the curve and its knee live here, so the chosen default is traceable to a shape rather than a guess.
Docs index:
../README.md. Project overview:../../README.md.
| Curve | What it decides |
|---|---|
wifi-auto-sync.md |
auto_sync interval vs Wi-Fi energy (a 1/T hyperbola) — why the default is 10 min and opportunistic, not a wall-clock timer. |
epd-refresh-latency.md |
E-ink refresh latency vs rows driven — the full / full-area-partial / windowed-Y cost model behind typing responsiveness and the boot splash→editor swap. |
sync-commit-staging.md |
Commit-staging strategy vs working-tree size — RESOLVED: every index-based path is O(N_tree) and fails on the real repo (611 s / OOM); the O(depth) TreeBuilder splice is benched at ~2–2.8 s and ships. Holds the full measurement trail plus the firmware plumbing plan (merged from the retired handoff note). |