Re: speed increase due to -j16 as opposed to default -B (mod 4/44)
by mk (188.8.131.52) on Wed Jun 20 19:07:29 2007 (GMT)
> > > How much of a speed increase is this? Are we talking like a double in compile speed because you can multithread?
> > The difference is substantial -- on Intel Core 2 Duo E4300, the time > it takes to build OpenBSD's kernel with -B is 4:45
> 4:45? O_O
> I've got a T5500 and it takes around 30 minutes to compile.
Slow disk? Broken interrupt routing? Very little memory? etc.
My X60 compiles a kernel in about 5:30 on GENERIC. I think it's about half of that using -j 12.
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