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steve donovan wrote:
> Alas, but the MS compilers do give faster code than mingw, about
> 20-25% in my informal tests.

A good share of that is due to -fomit-frame-pointer being the
default in MSVC release mode, but not in MinGW. The other reason
is that MSVC with the highest optimization setting has better
heuristics than GCC -O3 (try -O2 plus selected -f options instead).