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Phoronix Test Suite

OpenBenchmarking.org

AMD Compiler Optimization Benchmarks With GCC 4.10 (GCC 5.0)

Compiler

Published on 16 August 2014 11:57 AM EDT
Written by Michael Larabel in Compiler
21 Comments

As a continuation to yesterday's brief GCC 4.9 vs. GCC 4.10 (GCC 5.0) comparison with the AMD A10 A-Series "Kaveri" APU, here's some benchmarks when using the GCC 4.10 development snapshot and trying a variety of CFLAGS/CXXFLAGS to see the current impact on their performance for a variety of Linux benchmarks.

For another straightforward, simple benchmarking article this weekend are the reference results when running the A10-7800 APU system with Ubuntu 14.04 64-bit on the freshly-built GCC 4.10 development snapshot with a variety of common x86 compiler flags for AMD hardware. The flags included:

-march=k8
-march=k8-sse3
-march=barcelona
-march=bdver1
-march=bdver2
-march=bdver3
-march=bdver3 -flto


Documentation for these flags can be found via the GCC documentation.


The results themselves for this new AMD Kaveri APU with these various compiler flags aren't a huge surprise. You can find all the data on OpenBenchmarking.org. Enjoy and feel free to run your own compiler benchmarks with the Phoronix Test Suite.

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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