Intel Core 2, Core i7 Optimizations For GCC 4.6
Written by Michael Larabel in Compiler on 20 May 2010 at 08:32 AM EDT. 17 Comments
CodeSourcery, a company that works on GCC for various companies like with Texas Instruments for bringing the GNU Toolchain to new CPUs and also offers their own software development environment, has shared their intentions to provide a new set of GCC optimizations for Intel's Core 2 and Core i7 processors.

Intel is paying CodeSourcery to do performance optimization work for them in GCC and right now they are tackling unaligned vector instructions for the Core 2 and Core i7 families.

CodeSourcery expects to commit their Core optimizations to GCC by the time GCC 4.6 Stage 1 is complete. This will be great news for GCC 4.6 if these optimizations are significant, but considering that GCC 4.5 was just released, we are probably about a year out from having the official GCC 4.6.0 release.

We can't wait to see the performance impact on Intel's newest CPUs once this work is complete and we'll certainly be providing benchmarks. In fact, the Phoronix Test Suite was already brought up in their discussion so we should see some nice improvements in our tests.

The CodeSourcery mailing list message announcing this work that's funded by Intel can be read on the GCC mailing list.

If you are interested in seeing how Intel's newer CPUs perform right now under Linux we have our test results from the Intel Core i3 530, Intel Core i5 750, Intel Core i7 870, and Intel Core i7 920.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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