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Intel Fixes Panther Lake Xe3 Graphics Performance Issues For Linux Ahead Of Launch
A set of 14 patches were merged today to the Mesa 3D graphics driver codebase for fixing some wide-reaching performance issues that would have negatively affected the upcoming Xe3 integrated graphics with Core Ultra Series 3 'Panther Lake' hardware
The patches have been merged so will be very important that anyone buying an upcoming Intel Panther Lake laptop move to using an up-to-date Mesa to avoid these performance problems. However when combined with the performance analysis extensions to make it model the behavior of xe3 that last patch gives the largest performance benefit in the series, so despite its cost it seems to me that reverting to static analysis on xe3 is the best trade-off for the time being (see the individual commit messages for compile- and run-time test results broken up by commit)." In the comments to Intel driver engineers discussing these patches, it does look like some GPU hang issues affecting Panther Lake are still being sorted out:
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