Running the courses made this machine stutter during a game. That was me:
PORR's suite solves systems up to 10000x10000 and takes every core it is
given, and the pip installs are not cheap either.
A promise to be careful is not a fix, so `run` now executes inside a transient
systemd scope -- MemoryMax=2G, MemorySwapMax=0 (OOM-kill rather than thrash
swap), CPUQuota=200%, nice -n 19, ionice -c 3. Same mechanism the pre-push
hook in testsAndMisc uses. Verified from inside the scope: memory.max reads
2147483648 and cpu.max reads "200000 100000", so the kernel is enforcing it
rather than the script hoping.
RUN_MEMORY_MAX and RUN_CPU_QUOTA override it for a single deliberate run.
Recorded the two courses that still fail: PORR, which will now be OOM-killed
under the cap and needs a smaller default parameter set, and ZPOB, where
latexmk exits 12 from bibtex despite producing the PDF.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0172dj34FDpao6wsix8ZuCzE
The remaining work is much larger than what has landed, and vague about it
would be worse than useless. Numbers are measured, not guessed:
- 9,281 ruff findings under the fleet config (select = ALL). ~3,000 are
auto-fixable and ~6,000 are hand work, dominated by 1,671 missing type
annotations and ~600 missing docstrings.
- 19 tests for ~28k lines of authored code, across 12 languages.
- 73 files still over the 250-line cap, 27 of which are blocked on the
decision parked in TODO-file-length-250.md.
- 22 dependency manifests, none pinned.
Also records the ordering rules that are easy to lose: the dependency upgrade
and its gate must land in the same commit; source files must not be split
before their tests exist; and the file-rewriting hooks are held back so that
touching hundreds of submitted coursework files is its own reviewed change.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0172dj34FDpao6wsix8ZuCzE
