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1003598
2009 May 09
2
[LLVMdev] Using non-system compiler to build llvm and llvm-gcc front end
>> $ make -j15
>
> do you really have 15 CPUs? If not, this will most
> likely just slow things down.
>
I have 8 CPUs. I started with -j8 and turned the knob up a bit. It
seemed to run faster, so I stuck with j15. I guess there might be some
context switching when threads are blocking on memory or IO. I could
be imagining the speedups though because of some sort of placebo