GCC 4.9 vs. 5.3 vs. 6.0 Compiler Benchmarks On Debian 8.4

Written by Michael Larabel in GNU on 14 April 2016 at 10:24 AM EDT. 26 Comments
With GCC 6.1 due out soon with its plethora of new features and improvements, I decided to run some fresh benchmarks this week of GCC 4.9.3 vs. GCC 5.3 vs. GCC 6.0.0 on a Debian stable system.

From the Xeon E3-1280 v5 system with MSI C236A Workstation, I was using Debian 8.4 x86_64 as the base Linux OS for this benchmarking while building clean compilers of GCC 4.9.3, GCC 5.3.0, and GCC 6.0.0 20160410.
GCC Compiler Benchmarks On Debian 8.4

Then a range of C and C++ benchmarks were carried out...
GCC Compiler Benchmarks On Debian 8.4

There are some small changes in performance for this Skylake Xeon system, but nothing too major. However, some tests (namely Bullet) failed to build with GCC6.
GCC Compiler Benchmarks On Debian 8.4

Many small changes in performance.
GCC Compiler Benchmarks On Debian 8.4

Find the dozens of benchmark results via this OpenBenchmarking.org result file.
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Michael Larabel

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 20,000 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, LinkedIn, or contacted via MichaelLarabel.com.

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