CMP.3:6 - Bias-Annotation
Visible repetition can encourage indiscriminate caching. The profitable unit may instead be a larger common subproblem, or no shared unit at all when lookup costs dominate. A small count of stored cells can also hide large objects, metadata and movement between memory levels.
Results obtained from fixed data invite overgeneralization to changing environments. State where a key’s omitted parameters are held fixed, and revisit that boundary when the result is reused elsewhere.