Linux 6.16's New "X86_NATIVE_CPU" Option Enhances I/O & Some Graphics/Gaming Workloads

Written by Michael Larabel in Software on 28 July 2025 at 11:46 AM EDT. Page 4 of 5. 18 Comments.

While in some of the synthetic workloads and kernel micro-benchmarks there were some measurable improvements out of the X86_NATIVE_CPU kernel, in most real-world workloads it didn't translate into much or any gains.

👁 Xonotic benchmark with settings of Resolution: 2880 x 1800, Effects Quality: High. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 Xonotic benchmark with settings of Resolution: 2880 x 1800, Effects Quality: Ultra. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 Xonotic benchmark with settings of Resolution: 2880 x 1800, Effects Quality: Ultimate. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 Tesseract benchmark with settings of Resolution: 2880 x 1800. Linux 6.16 was the fastest.

👁 DDraceNetwork benchmark with settings of Resolution: 1920 x 1080, Mode: Windowed, Renderer: OpenGL 3.3, Zoom: Default, Demo: RaiNyMore2. Linux 6.16 was the fastest.

👁 yquake2 benchmark with settings of Renderer: OpenGL 3.x, AF: On, MSAA: On, Resolution: 2560 x 1440. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 yquake2 benchmark with settings of Renderer: Vulkan, AF: Off, MSAA: Off, Resolution: 2560 x 1440. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 yquake2 benchmark with settings of Renderer: Vulkan, AF: On, MSAA: Off, Resolution: 2560 x 1440. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 Unvanquished benchmark with settings of Resolution: 2880 x 1800, Effects Quality: Medium. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 Unvanquished benchmark with settings of Resolution: 2880 x 1800, Effects Quality: High. Linux 6.16 X86_NATIVE_CPU was the fastest.

👁 Unvanquished benchmark with settings of Resolution: 2880 x 1800, Effects Quality: Ultra. Linux 6.16 X86_NATIVE_CPU was the fastest.

For the integrated RDNA 3.5 graphics, the X86_NATIVE_CPU kernel build did provide some small performance improvements in CPU-bound graphics/gaming workloads.

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URL: https://www.phoronix.com/review/linux-616-x86-native-cpu/4

⇱ Linux 6.16's New "X86_NATIVE_CPU" Option Enhances I/O & Some Graphics/Gaming Workloads - Phoronix

Linux 6.16's New "X86_NATIVE_CPU" Option Enhances I/O & Some Graphics/Gaming Workloads