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Performance regression since resource as components #23039

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Performance regression since resource as components#23039
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A-ECSEntities, components, systems, and eventsC-BugAn unexpected or incorrect behaviorC-PerformanceA change motivated by improving speed, memory usage or compile timesP-HighThis is particularly urgent, and deserves immediate attentionS-Needs-TestingTesting must be done before this is safe to merge
@mockersf

Description

@mockersf
mockersf
opened on Feb 18, 2026

Bevy version and features

main since #20934

What you did

cargo run --release --example bevymark -- --waves 60 --per-wave 500 --benchmark --mode mesh2d

What went wrong

Image

Confirmed also on windows:

7950x, 4070ti, windows
cargo run --release --example bevymark -- --waves 60 --per-wave 500 --benchmark --mode mesh2d
13.7ms Before Resource as Components
15.3ms After Resource as Components

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    A-ECSEntities, components, systems, and eventsC-BugAn unexpected or incorrect behaviorC-PerformanceA change motivated by improving speed, memory usage or compile timesP-HighThis is particularly urgent, and deserves immediate attentionS-Needs-TestingTesting must be done before this is safe to merge

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    SME Triaged

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