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Removed FnvHash and transformed the rest to FxHashmap (#39233)

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This should be the final PR for the Hash Function series that is
trivial.

Of note: I decided to transform `HashMapTracedValues<Atom,..>` to use
FxBuildHasher. This is likely not going to improve performance as Atom's
already have a unique u32 that is used as the Hash but it safes a few
bytes for the RandomState that is normally in the HashMap.

Signed-off-by: Narfinger <Narfinger@users.noreply.github.com>

Testing: Hash function changes should not change functionality, we
slightly decrease the size and unit tests still work.

Signed-off-by: Narfinger <Narfinger@users.noreply.github.com>
This commit is contained in:
Narfinger 2025-09-10 15:34:54 +02:00 • committed by GitHub
parent 726b456120
commit 84465e7768
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55 changed files with 211 additions and 202 deletions
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3
components/script/script_thread.rs
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@ -55,7 +55,6 @@ use embedder_traits::{
};
use euclid::Point2D;
use euclid::default::Rect;
use fnv::FnvHashMap;
use fonts::{FontContext, SystemFontServiceProxy};
use headers::{HeaderMapExt, LastModified, ReferrerPolicy as ReferrerPolicyHeader};
use http::header::REFRESH;
@ -1946,7 +1945,7 @@ impl ScriptThread {
fn handle_set_scroll_states(
&self,
pipeline_id: PipelineId,
scroll_states: FnvHashMap<ExternalScrollId, LayoutVector2D>,
scroll_states: FxHashMap<ExternalScrollId, LayoutVector2D>,
) {
let Some(window) = self.documents.borrow().find_window(pipeline_id) else {
warn!("Received scroll states for closed pipeline {pipeline_id}");