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Benchmarks

Wallr has two benchmark paths:

./scripts/benchmark-wallpapers.sh
./scripts/benchmark-video.sh assets/demo.mkv

The wallpaper benchmark compares switching requests with awww in a live Wayland session. It measures daemon memory, CPU snapshots, and command latency. The video benchmark measures decoder throughput and reports whether the requested backend produced hardware frames.

The video benchmark drives wallr-core's video_probe example, which decodes a file for a few seconds and prints the backend and decoder state it actually achieved:

cargo run --release -p wallr-core --example video_probe -- assets/demo.mkv nvdec

video_probe exits non-zero when the decoder fails or the backend falls back, so it can gate a script or CI step on its exit status rather than parsing result:. It needs no Wayland session and no GPU.

Results are machine-specific. They must include the compositor, GPU, driver, display configuration, input media, and Wallr version before being compared. Decoder throughput is not a substitute for end-to-end presentation or multi-monitor frame-time measurements.