Mesa 10.5-devel Brings Some Intel Haswell HD Graphics Changes Over Mesa 10.3
Xonotic with higher image quality settings was still leading to slightly higher results.
There was a very noticeable performance improvement with GpuTest's Furmark benchmark using Mesa 10.5-devel.
The simple triangle OpenGL test inside GpuTest was multiple times faster using Mesa 10.5-devel over Mesa 10.3 while sticking with the Linux 3.18 kernel.
There's numerous performance changes to find for the HD Graphics 4600 on a Core i7 Haswell CPU, but unfortunately not all of the OpenGL performance changes are an improvement. In a number of tests, the Mesa Git results were lower than using Mesa 10.3.0 stable on Ubuntu 14.10.
Stay tuned for further Mesa graphics benchmarking on Phoronix. If you appreciate this testing done no where else in the public spotlight, please consider subscribing to Phoronix Premium.
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