Re: PARALLEL_MAKE

[Philip Balister <philip@balister.org>]

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Marcin Juszkiewicz wrote:
> Dnia piątek, 13 marca 2009 o 00:32:16 Ulf Samuelsson napisał(a):
> 
>> Is there any activity to make this more useful?
>> Just managed to install a Core i7 machine, which speeded
>> up my Buildroot build from about 4 hours to less than 1 hour.
>> (There was an error in the build right at the end,
>> so it could have been downto 40 minutes or so)
>> Building the cross compiler took 10 minutes with "make -j 16"
>> compared to 1-2 hours on a P4 @ 3GHz.
> 
> I use core2quad at home and dual quadcore Xeon at one client office. 
> Both are 100% busy during my builds. On my quad I use 
> PARALLEL_MAKE="-j4" with 4 BB threads and on 8core I have 10 BBthreads 
> with -j12 but thats for nightly builds when no one other use this 
> machine. Using ccache also speeds next compilations.

Marcin,


A while back you mentioned a program that displayed the per core CPU 
utilization. What was it again?

Philip


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