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Faster galley cache (#699)

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* Speed up galley cache by only using the hash as key

This hashes the job but doesn't compare them with Eq,
which speeds up demo_with_tessellate__realistic by 5-6%,
winning back all the performance lost in
https://github.com/emilk/egui/pull/682

* Remove custom Eq/PartialEq code for LayoutJob and friends

* Silence clippy

* Unrelated clippy fixes
This commit is contained in:
Emil Ernerfeldt
2021-09-04 10:19:58 +02:00
committed by GitHub
parent 3b75a84d3b
commit 5f88d89f74
8 changed files with 34 additions and 59 deletions
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epaint/Cargo.toml
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@@ -31,6 +31,7 @@ ab_glyph = "0.2.11"
ahash = { version = "0.7", features = ["std"], default-features = false }
atomic_refcell = { version = "0.1", optional = true } # Used instead of parking_lot when you are always using epaint in a single thread. About as fast as parking_lot. Panics on multi-threaded use.
cint = { version = "^0.2.2", optional = true }
nohash-hasher = "0.2"
parking_lot = { version = "0.11", optional = true } # Using parking_lot over std::sync::Mutex gives 50% speedups in some real-world scenarios.
serde = { version = "1", features = ["derive"], optional = true }