synapse/changelog.d/13591.misc at dd7484b5628dc297d0324198c9f5765247f982b5 - mirrors/synapse - Sadium Git

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Erik Johnston f7ddfe17a3

Speed up @cachedList (#13591 )

This speeds things up by ~2x.

The vast majority of the time is now spent in `LruCache` moving things around the linked lists.

We do this via two things:
1. Don't create a deferred per-key during bulk set operations in `DeferredCache`. Instead, only create them if a subsequent caller asks for the key.
2. Add a bulk lookup API to `DeferredCache` rather than use a loop.

2022-08-23 14:53:27 +00:00

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Improve performance of `@cachedList`.