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Mesa Can Now Be Smaller, Build Faster

Mesa

Published on 25 February 2011 08:08 PM EST
Written by Michael Larabel in Mesa
9 Comments

As something of value to more users than Mesa receiving EXT_texture_compression_RGTC support is that the shared DRI core patch has been merged. This results in a significantly smaller package size for Mesa (circa 30MB savings) and results in Mesa building about 13% faster.

Traditionally the Mesa DRI drivers have statically linked all of the common Mesa code into each driver build. Statically copying all of this shared code into each of the modules obviously results in larger module sizes and more code that needs to be compiled. With this shared DRI core patch by Intel's Eric Anholt, a shared DRI core library is created instead, which are then dynamically linked to by the drivers.
This saves 30MB on disc (just 4.4% of the working tree size) for my compile of swrast,i915,i965, but as a result reduced my build time for "touch src/mesa/main/context.c; make" by 13.8% +/- 3.8% (n=5). I don't even care about distros, I want shorter build times for myself :)

This shared core is only supported when being built with GCC and for those wanting to build the Mesa DRI drivers with all of the common code statically linked in, don't use the --enable-shared-dricore option. For everyone else there is huge savings in disc size and a faster Mesa build process. See more on the Mesa mailing list.

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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