Rusticl vs. Intel Compute Runtime Performance For OpenCL On Battlemage
In various other OpenCL benchmarks, the Intel Compute Runtime continued to deliver a sizable lead over Mesa's generic Rusticl driver.
The Darktable RAW photography software with its OpenCL acceleration saw similar performance between Rusticl and the Intel Compute Runtime.
Overall the Intel Compute Runtime maintained a significant lead over the Rusticl driver within Mesa. Rusticl though at least is a generic driver that works across Gallium3D hardware drivers without much fuss and in instances like AMD GPUs can be rather competitive to the ROCm driver. Rusticl is "good enough" for some workloads. There were also some OpenCL workloads that didn't run on Rusticl with Battlemage but worked fine on the Intel Compute Runtime. On a geo mean basis for all the benchmarks that ran successfully on both CL drivers, the Intel Compute Runtime on the Intel Arc B580 was around 1.34x the performance of Mesa 25.3-devel's Rusticl driver.
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