Chuck and Claude Opus 5
ad5bc4b819
perf(sports): LRU-bound the decoded logo cache ( #559 )
...
SportsCore._logo_cache was a plain dict keyed by team abbreviation with no
eviction. Its entries are not file bytes but decoded RGBA thumbnails sized to
display*1.5 -- roughly 36KB on a 256x64 panel, more for wide wordmarks -- and
assets/sports/ncaa_logos ships 307 of them. A plugin that walked a full league
held the whole league resident: about 11-18MB per manager instance, and a league
runs three (live/recent/upcoming) that each keep their own cache, so the same
logos were duplicated across them.
On the 1GB Pi 3B+ this was measured on, one board was sitting at 439MB resident
with ~290MB available, so tens of megabytes of duplicated league logos is real
money. Bounded to 64 entries, which holds a full "other games" cycle (on the
order of 20 games, 40 teams) without thrashing while capping the cache well
below a 307-team league.
Eviction is LRU rather than clear-when-full, using the OrderedDict/popitem
pattern the neighbouring caches in this codebase already use (_IMAGE_CACHE_MAX,
_FIT_CACHE_MAX, _TEXT_WIDTH_CACHE_MAX). That ordering matters: the logos on
screen right now are precisely the ones that must not be discarded, so a cache
hit moves the entry to the end.
Co-authored-by: Claude Opus 5 <noreply@anthropic.com >
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