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kevinveenbirkenbachandClaude Opus 5
dc772d6dc7
get_merged_applications writes its cache in the last line of the function,
and the re-entrancy guard returns above it. Every lookup('applications') a
template makes while the payload is being rendered therefore rebuilt it:
get_application_defaults deep-copies roughly two hundred roles, then the
merge runs again.
Profiled over one render of tests/integration/roles/test-e2e-cli: 382 calls,
18.765s of 29s, 13.7 million deepcopy calls. That test spent 208s in setUp
for twenty renders and now spends about half.
The guarded payload cannot go into _MERGED_APPLICATIONS_CACHE, because it
carries no users and still holds its volumes. It is memoised on the render
guard instead, which is thread-local, and the finally that releases the guard
drops it, so it lives exactly one render.
Three probes established the preconditions before the change: one cache key
across all 381 nested calls, re-entrancy depth never above 2, and not one of
the 381 payloads mutated after it was handed out. That last one was then
re-measured across the whole suite with the memo made self-checking: 6861
tests and 5133 subtests, no caller wrote to what it was given.
113113e553 removed the same cost between tasks through the carrier fact.
This removes what remains inside a single render.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Tests 🧪
All automated tests for Infinito.Nexus live here.
| Directory | Type | Guide |
|---|---|---|
unit/ |
Unit tests (isolated, no I/O) | unit.md |
integration/ |
Integration tests (real component boundaries) | integration.md |
external/ |
Opt-in live third-party checks, excluded from make test |
external.md |
e2e/ |
End-to-end Playwright tests | playwright.md |
regression/ |
Regression guard rules | regression.md |
lint/ |
Structural lint checks | lint.md |
Run each suite via the make targets documented in the linked guides.