实用技巧：Linux操作系统优化方法介绍

经验谈：如何使你的系统达到最优化？

1、检查你的gcc版本：
#gcc --version

2、获取你的cpu的型号：
cat /proc/cpuinfo

3、在/etc/下建立make.conf文件，并根据cpu的型号写入不同内容。注意你的gcc版本必须在3.0以上。

i386 (Intel)：
CHOST=\"i386-pc-linux-gnu\"
CFLAGS=\"-march=i386 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=i386 -O3 -pipe -fomit-frame-pointer\"
i486 (Intel)：
CHOST=\"i486-pc-linux-gnu\"
CFLAGS=\"-march=i486 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=i486 -O3 -pipe -fomit-frame-pointer\"
Pentium 1 (Intel)
CHOST=\"i586-pc-linux-gnu\"
CFLAGS=\"-march=pentium -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium -O3 -pipe -fomit-frame-pointer\"
Pentium MMX (Intel)
CHOST=\"i586-pc-linux-gnu\"
CFLAGS=\"-march=pentium-mmx -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium-mmx -O3 -pipe -fomit-frame-pointer\"
Pentium PRO (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentiumpro -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentiumpro -O3 -pipe -fomit-frame-pointer\"
Pentium II (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentium2 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium2 -O3 -pipe -fomit-frame-pointer\"
Celeron (Mendocino), aka Celeron1 (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentium2 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium2 -O3 -pipe -fomit-frame-pointer\"
Pentium III (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentium3 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium3 -O3 -pipe -fomit-frame-pointer\"
Celeron (Coppermine) aka Celeron2 (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentium3 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium3 -O3 -pipe -fomit-frame-pointer\"
Celeron (Willamette?) (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentium4 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium4 -O3 -pipe -fomit-frame-pointer\"
Pentium 4 (Intel)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=pentium4 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=pentium4 -O3 -pipe -fomit-frame-pointer\"
Eden C3/Ezra (Via)
CHOST=\"i586-pc-linux-gnu\"
CFLAGS=\"-march=i586 -m3dnow -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=i586 -m3dnow -O3 -pipe -fomit-frame-pointer\"
K6 (AMD)
CHOST=\"i586-pc-linux-gnu\"
CFLAGS=\"-march=k6 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=k6 -O3 -pipe -fomit-frame-pointer\"
K6-2 (AMD)
CHOST=\"i586-pc-linux-gnu\"
CFLAGS=\"-march=k6-2 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=k6-2 -O3 -pipe -fomit-frame-pointer\"
K6-3 (AMD)
CHOST=\"i586-pc-linux-gnu\"
CFLAGS=\"-march=k6-3 -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=k6-3 -O3 -pipe -fomit-frame-pointer\"
Athlon (AMD)
CHOST=\"i686-pc-linux-gnu\"
CFLAGS=\"-march=athlon -O3 -pipe -fomit-frame-pointer\"
CXXFLAGS=\"-march=athlon -O3 -pipe -fomit-frame-pointer\"
Athlon-tbird, aka K7 (AMD)