GCC 4.10 Performance: Not Much To See Yet
Written by Michael Larabel in Compiler on 15 June 2014 at 12:15 PM EDT. 6 Comments
GCC 4.9 was released at the end of April so this weekend I ran some fresh compiler benchmarks of the latest GCC 4.10 compiler snapshot to see if there's been any performance improvements thus far in the 4.10 development cycle, although GCC 4.10 will not be released until 2015.

As some quick benchmarks of GCC 4.9.0 stable versus the latest GCC 4.10 snapshot, I ran some C/C++ compiler benchmarks under both compilers from an Ubuntu 14.04 x86_64 system running an Intel Core i7 4790K "Devil's Canyon" high performance processor. Both compilers were configured and built the same for the system and the same CFLAGS/CXXFLAGS were used during testing.

Long story short, there isn't too much to see from the GCC 4.10 performance at this time over GCC 4.9 for the selection of benchmarks used on the Intel Haswell processor.

In only a few benchmarks was there any change in performance while for most of the tests the results were flat. You can see all of this very early GCC 4.10 compiler data via OpenBenchmarking.org with 1406147-KH-GCC410TES62.

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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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