The Performance Between GCC Optimization Levels

Written by Michael Larabel in Software on 13 October 2012. Page 5 of 5. 23 Comments

The optimization levels helped tremendously for the Nero2D benchmark.

GCC optimizations were of only some help for the PostgreSQL database server.

If you missed it, also check out the AMD Bulldozer compiler tuning guide published last month showing the difference that the different -march= CPU targets had on the binary performance from this AMD FX-8150 Bulldozer system. In the coming days will also be compiler benchmark results for the AMD Bulldozer-2/Piledriver processors in the form of the A10-5800K Trinity APU and Vishera.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via TwitterLinkedIn,> or contacted via