prefix_cache_localityTier 1 · 70% confidence

performance-prefix-cache-localit-sub-agents-repeatedly-fetch-the-same-file-content--4b7e59e9

agent: performance

When does this happen?

IF Sub-site_1 repeatedly fetch the same file content, wasting context window space and incurring cache misses.

How others solved it

THEN Prepend relevant file content to sub-agent prompts to exploit prefix-cache locality, and maintain a global lease table to coordinate access. This reduces API costs and improves response times by maximizing cache hits.

Related patterns

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