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| author | Erik Johnston <erik@matrix.org> | 2022-08-23 15:53:27 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-23 14:53:27 +0000 |
| commit | f7ddfe17a30a50205a23bf5ca4d7d71e691e1e48 (patch) | |
| tree | 3af1cd2f62868f6e1fe0f455e7cf19739161fdfa /README.rst | |
| parent | Fix regression caused by #13573 (#13600) (diff) | |
| download | synapse-f7ddfe17a30a50205a23bf5ca4d7d71e691e1e48.tar.xz | |
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.
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