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AMD Kaveri: Catalyst vs. RadeonSI Gallium3D On Linux
The synthetic GpuTest results also indicate there's still a ways to go in the Radeon R7 Graphics performance with the open-source driver compared to Catalyst, but significant progress is being made with their Radeon DRM kernel driver, the RadeonSI Gallium3D driver, and the AMD GPU LLVM back-end.
Some GpuTest scenarios also don't work yet on RadeonSI Gallium3D due to missing GL/GLSL support from Mesa, which is still being worked on. We should see OpenGL 4.0~4.2 support this year for AMD Gallium3D, but it will still take much longer for OpenGL 4.3~4.5 compliance. OpenCL also remains a work-in-progress.
Stay tuned for more Linux graphics benchmarks on Phoronix. If you appreciate all of this testing done exclusively at Phoronix, consider subscribing to Phoronix Premium or perhaps a PayPal tip to enjoy a nice summer beverage while benchmarking.
If you wish to see how your own Linux system's OpenGL graphics performance compares, simply install the Phoronix Test Suite and then run phoronix-test-suite benchmark 1408110-KH-AMDKAVERI19 from the command-line.
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