Efficiency of Profile-Guided Optimizations in Intel C++/Fortran Compiler 9.0

Posted on Tuesday, Feb 21 2006 @ 04:58 CET by Thomas De Maesschalck
We have been benchmarking performance of SPEC CPU2000 tasks on various platforms, using the so-called profile-guided optimizations during compilation of test tasks for quite a long time (probably since Intel C++/Fortran Compilers 7.0). We have been using it by default, that is we assume that it will inevitably lead to higher-performance machine code. Nevertheless, it will do no harm to make sure at least once that it's really true. Take also into account that Intel compilers are initially intended for maximum code performance only on processors from the cognominal manufacturer (it would have been strange otherwise), while we use these tasks for testing competing processors as well ..

Read on over at Digit-Life.


About the Author

Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.



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