GCC - Optimal Optimization

Sean M. sigma_zk at yahoo.com
Fri Aug 18 16:10:58 UTC 2006

With GCC 3.4.4, what are the best CFLAGS to use for an AMD Duron ~1000
MHz? By "best" I mean creating the fastest programs that exploit fully
all of the architecture's features, without creating a "noticible"
increase in size. To date I've been using
CFLAGS="-O3 -march=athlon-xp -mfp-math=sse -funroll-loops -pipe

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