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<snip>I light of the recent gcc performance comparison, I tried to compile a number crunching application (for which I have noticed a significant performance degradation of a factor 2-3 since the days of gcc2.9.x) using the -mno-cygwin flag. I get a shitload of crap like the following :
g++ -c -mno-cygwin -ansi -DGCC3X -DLINUX -DINLINE=inline -fno-default-inline
-W -Wno-deprecated -fomit-frame-pointer -ffast-math -mcpu=pentium4 -march=p
entium4 -mfpmath=sse -O2 -I./ -o xyz.o xyz.cpp
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