synapse/changelog.d/17670.misc at 9689ac3294c4e22ddbf1093c171b57e39810e734 - mirrors/synapse - Sadium Git

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Erik Johnston d5accec2e5

Speed up sliding sync by avoiding copies (#17670 )

We ended up spending ~10% CPU creating a new dictionary and
`_RoomMembershipForUser`, so let's avoid creating new dicts and copying
by returning `newly_joined`, `newly_left` and `is_dm` as sets directly.

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Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>

2024-09-06 11:12:29 +01:00

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Small performance improvement in speeding up sliding sync.