Benchmark #1584

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Hollow Knight: Mutter 49.alpha.0 Direct Scanout

GPU Limited scene with no background load | 30 second frame recording with 0ms interval | Performance Governor/EPP | CPU Scheduler: scx_flash -m all -C 0 -c 0 --slice-us 300 --slice-us-min 300 -w -p | Proton GE 10.8

Submitted 1 week ago by summedkibbles36

Specifications
Label OS GPU CPU RAM OS specific
Direct Scanout OFF Steam Runtime 3 (sniper) AMD Radeon RX 7900 GRE (RADV NAVI31) AMD Ryzen 7 7800X3D 8-Core Processor 33 GB 6.15.4-cachyos1.lto.fc43.x86_64 performance
Direct Scanout ON Steam Runtime 3 (sniper) AMD Radeon RX 7900 GRE (RADV NAVI31) AMD Ryzen 7 7800X3D 8-Core Processor 33 GB 6.15.4-cachyos1.lto.fc43.x86_64 performance
# Top runs: * **Highest FPS**: `Direct Scanout OFF` with approximately 3% higher average FPS compared to the other run. * **Smoothest FPS**: `Direct Scanout OFF` showing around 30% lower FPS variance, indicating smoother frame delivery. * **Best overall**: `Direct Scanout OFF`, as it combines both higher and smoother FPS compared to the other run. # Summary The comparison between Direct Scanout ON and OFF in this GPU-limited scene within "Hollow Knight" showcases notable performance differences. The `Direct Scanout OFF` configuration delivers a higher and more stable frame rate, making it the preferable choice for this particular benchmark setup. This suggests that disabling Direct Scanout might be beneficial in scenarios similar to those tested, particularly with the AMD Radeon RX 7900 GRE and using `Proton GE 10.8` on a `Steam Runtime 3` environment. The choice of not using Direct Scanout, while maintaining the same kernel and scheduler configurations for both runs, appears to optimize FPS performance and stability.