Most widely used common options -O2 and -O3 are taken for all runs.

Additionally for the graphite run, option -fgraphite was used. Options -flto and -fwhole-program were added for the LTO run.

The used machine is 2.93Ghz Intel CoreI7 with 8GB memory under Fedora Core10.

All changes are relative to 4.0.4.

• Compilation Speed

  
  

  
  

• Code Size

  Here the code size is the corresponding text segment size.

  • Base SPECInt2000

    
    

  • Base SPECFP2000

    
    

  • Peak SPECInt2000

    
    

  • Peak SPECFP2000

    
    

• Generated Code Performance

  • Base SPECInt2000

    
    

    
    

    We used score from GCC4.2.4 for GCC4.0.4 and GCC4.1.2 for 176.gcc because the generated code failed for these two releases.

  • Base SPECFP2000

    
    

    
    

  • Peak SPECInt2000

    
    

    
    

  • Peak SPECFP2000

    
    

    
    

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