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layout: Report memory usage for fragment and box trees. (#36553)

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Add memory reporter integration for the fragment and box trees that are
persisted in the layout thread.

Testing: Looked at the numbers for https://servo.org and
https://html.spec.whatwg.org/. The former was very small, but the latter
was 700mb.

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Signed-off-by: Josh Matthews <josh@joshmatthews.net>
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Josh Matthews 2025-04-18 16:05:15 -04:00 • committed by GitHub
parent add8c51f47
commit c787688afc
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33 changed files with 230 additions and 69 deletions
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3
components/fonts/glyph.rs
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@ -741,9 +741,10 @@ impl fmt::Debug for GlyphStore {
}
/// A single series of glyphs within a text run.
#[derive(Clone, Debug, Deserialize, Serialize)]
#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
pub struct GlyphRun {
/// The glyphs.
#[conditional_malloc_size_of]
pub glyph_store: Arc<GlyphStore>,
/// The byte range of characters in the containing run.
pub range: Range<ByteIndex>,