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Blender 5.1 Delivers Some Nice Gains For CPU Rendering Performance On Linux

([Software] 56 Minutes Ago Add A Comment)


[1]

With this week's release of [2]Blender 5.1 I have begun benchmarking it on different CPUs and GPUs. In this article is an initial look at the positive impact Blender 5.1 is having on CPU-based rendering performance on Linux.

[3]

Blender 5.1 release notes mention the CPU rendering performance on Windows is improved by 5~20%. There wasn't any Linux mention specifically but with Blender 5.1 I am finding up to a few percent faster render speeds on Linux compared to Blender 5.0. The Cycles engine in Blender 5.1 is said to improve GPU rendering performance by 5~10%, but in my tests with the NVIDIA CUDA and OptiX back-ends I didn't see that overall and for a few scenes was slower with Blender 5.1 compared to Blender 5.0.

Most of my testing thus far of Blender 5.1 was done on the new [4]System76 Thelio Mira desktop with the AMD Ryzen 9 9950X Zen 5 processor and NVIDIA GeForce RTX 5080 graphics card while running Pop!_OS 24.04 LTS.

With Blender 5.1 the CPU rendering performance was up to a few percent faster across the different scenes tested. With complex scenes like Barbershop this can equate to some measurable time savings if doing a lot of work with Blender. These CPU results align with what I've seen out of Blender 5.1 on various other CPUs tested thus far.



[1] https://www.phoronix.com/image-viewer.php?id=blender-51-benchmarks&image=blender_51_1_lrg

[2] https://www.phoronix.com/news/Blender-5.1-Released

[3] https://www.phoronix.com/image-viewer.php?id=blender-51-benchmarks&image=blender_51_2_lrg

[4] https://www.phoronix.com/review/thelio-mira-r4-n4



"I think the sky is blue because it's a shift from black through purple
to blue, and it has to do with where the light is. You know, the
farther we get into darkness, and there's a shifting of color of light
into the blueness, and I think as you go farther and farther away from
the reflected light we have from the sun or the light that's bouncing
off this earth, uh, the darker it gets ... I think if you look at the
color scale, you start at black, move it through purple, move it on
out, it's the shifting of color. We mentioned before about the stars
singing, and that's one of the effects of the shifting of colors."
-- Pat Robertson, The 700 Club