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55 lines
1.8 KiB
Markdown
55 lines
1.8 KiB
Markdown
---
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name: Performance Regression
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about: Bevy running slowly after upgrading? Report a performance regression.
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title: ''
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labels: C-Bug, C-Performance, P-Regression, S-Needs-Triage
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assignees: ''
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---
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## Bevy version
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* Original: The release number or commit hash of the version you last tested your app against.
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* Current: The release number or commit hash of the version you're currently using.
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## Relevant system information
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Please include:
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* the Rust version you're using (you can get this by running `cargo --version`)
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* Bevy relies on the "latest stable release" of Rust
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* nightly should generally work, but there are sometimes regressions: please let us know!
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* the operating system or browser used, including its version
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* e.g. Windows 10, Ubuntu 18.04, iOS 14
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## What's performing poorly?
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Describe how you arrived at the problem. If you can, consider providing a code snippet or link
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to help reproduce the regression.
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If the exact scenario is not immediately reproducible on `cargo run`, please include a set list of steps to produce the correct setup.
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## Before and After Traces
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To best help us investigate the regression, it's best to provide as much detailed profiling
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data as possible.
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If your app is running slowly, please show profiler traces before and after the change.
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For more information on how to get these traces, see
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<https://github.com/bevyengine/bevy/blob/main/docs/profiling.md>.
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If this is about a compile-time regression, please provide the full output of `cargo build --timings`,
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for more information see <https://doc.rust-lang.org/cargo/reference/timings.html>.
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* Before:
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* After:
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## Additional information
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Other information that can be used to further reproduce or isolate the problem.
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This commonly includes:
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* screenshots
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* logs
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* theories about what might be going wrong
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* workarounds that you used
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* links to related bugs, PRs or discussions
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