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Recompiling The Kernel

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#1 Alchemist


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Posted 16 June 2007 - 04:25 PM

When is it worth it? I asked for some help on a Linux support IRC channel and almost got laughed off the channel. Is the benefit really that small? Surely using the MMX or 3DNow instructions if your CPU supports them makes a big difference? Especially on older/slower machines?

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#2 rever


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Posted 02 July 2007 - 04:04 PM

You should really never need to recompile your kernel. Most distros have what is called a modular kernel. That means almost everything is build as modules and not built into the kernel. Also most distros are compile kernels as i686 now. The only time you may really want to compile your kerenl is if you want a specific kernel with all your specified hardware modules built into the kernel. However, you will not see any speed gains on this. I use to be a big Gentoo fan and compiled everything from source thinking that would make my system faster and more stable. All it did was make me wait longer for installations.

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