Maxiwell Garcia <maxiw...@gmail.com> writes:

> I am writing a paper about instruction-set architecture simulators. In
> first time, I used gcc-4.4.0 and the compilation time reached 33
> minutes (with -O3) for my simulator and the performance reached 270
> MIPS (Million instruction per second). When I used the gcc-4.4.4, in
> the same code, the compilation time reached 39 seconds and the
> performance reached 600 MIPS. My code have many "switchs" with 512
> "cases" and the library <systemc.h> is in use.
> How to explain this behavior in the compilation and performance in my paper?
If I'm reading this correctly, it sounds like a useful optimization fix
in gcc 4.4.4.  The compiler runs faster and generates better code.

So I'm not sure what your question is.  Are you asking us why gcc has
gotten better?

Ian

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