GCC 4.7 AMD Bulldozer Compiler Tuning
As the latest AMD Bulldozer Linux benchmarks, here are updated figures on compiler tuning for the FX-8150 processor when using GCC 4.7.1.
This compiler testing on the AMD FX-8150 Bulldozer was done by using GCC 4.7.1 while swapping out the "-march=" compiler option value within the CFLAGS/CXXFLAGS. The march targets tested included nocona, core2, k8, k8-sse3, barcelona, and bdver1. Bdver1 is the native target for this first-generation AMD Bulldozer desktop processor. All other compiler flags were maintained the same during testing.
From the GCC documentation, the march options come down to:
This benchmarking occurred via the Phoronix Test Suite.
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