As Timothee Besset, the Doom 3 Linux port maintainer, was facing some troubles with using SSE2 code in the initial Doom 3 Linux release, we were expecting to see some performance benefits when we had upgraded to this new release (1.3.1302). Unfortunately, this wasn’t exactly the case. Once we had upgraded, there was roughly a 4-10 FPS drop in the average frame-rate in all of the different benchmarks we ran. The results however were much closer as the image quality on the 1.3.1302 version was increased. Even with the decrease in performance, and we hope this is only a temporary situation until the next patch is released, the substantial changes made in Doom 3 v1.3 can significantly enhance the game-play thus it’s recommended to make the Doom 3 upgrade.
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