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Intel Mesa Driver Boosts Valve's Dota 2 Performance

Valve

Published on 24 October 2013 09:15 AM EDT
Written by Michael Larabel in Valve
9 Comments

In the latest code hitting the mainline Mesa Git tree is an Intel Mesa DRI driver improvement that can provide for significant performance improvements with Valve's popular Dota 2 online battle arena game.

The commit that appeared in Mesa Git master last night ahead of Mesa 10.0 is a change to try to avoid GPU stalls when calling the glBufferSubData() function. Eric Anholt of Intel's Open-Source Technology Center who did this commit had noted, "On DOTA2, framerate on dota2-de1.dem in windowed mode on my laptop improves by 7.69854% +/- 0.909163% (n=3). In a microbenchmark hitting this code path (wall time of piglit vbo-subdata-many), runtime decreases from 0.8 to 0.05 seconds."

About an eight percent performance improvement for Dota 2 on the open-source Intel Linux graphics driver will certainly be appreciated by many Steam Linux gamers. This driver performance optimization happened via this Git commit.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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