The Current Intel "Iris" Gallium3D OpenGL Performance Against i965 Mesa, Windows 10 OpenGL
It's been quite fascinating to watch the development of the Intel Iris Gallium3D driver that has now been in development by their open-source team for more than one year while back in February is where this currently experimental driver was merged into Mesa. It's been over one month since last looking at the Intel Iris Gallium3D performance relative to Intel's default "i965" Mesa OpenGL driver. Here are fresh benchmarks looking not only at their current and next-gen OpenGL Linux driver options but also how that performance compares to their current Windows 10 OpenGL driver.
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The Iris Gallium3D driver is picking up more wins than in our previous rounds of testing for this experimental open-source OpenGL driver. Additionally, in cases where i965 is still delivering better performance is at least closer between these two Mesa drivers than we've seen in the past. So overall the performance is looking up for Iris but there is still more performance optimizations and maturing needed before we'll see Intel switch over the Linux OpenGL driver default. Nevertheless, it should be interesting to see how Iris matures this year as well as their ANV Vulkan driver. Stay tuned for more benchmarks when further Mesa Git commits warrant some additional tests.
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