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Re: SMP kernel completes kernel compile

To: linux-origin@xxxxxxxxxxx
Subject: Re: SMP kernel completes kernel compile
From: Rajagopal Ananthanarayanan <ananth@xxxxxxx>
Date: Sat, 13 May 2000 09:45:19 -0700
Cc: skunx@xxxxxxxxxxxxxxxxxxx
References: <200005130801.BAA42606@xxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-origin@xxxxxxxxxxx
Kanoj Sarcar wrote:
> 
> The mips64 SMP kernel completed a mips kernel compile on a 8 cpu
> o2000, with approx 128 Mb memory.
> 
> Here are some timings:
> 
> make -j8:
> 46.34user 32.34system 6:25.91elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (497100major+1814481minor)pagefaults 0swaps
> 
> make -j4
> 12.56user 16.34system 6:37.93elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (497100major+1807168minor)pagefaults 0swaps
> 
> make -j32
> 44.00user 29.25system 6:35.93elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
> 0inputs+0outputs (497174major+1826803minor)pagefaults 0swaps


Awesome! And the resultant kernel boots ok? ;-)

I wonder if we can get base-line stats on a 4-CPU X86 system,
say for -j4 & -j8 and compare that with the O2K system.
What version of the kernel are you using, 2.3.99preX?


--------------------------------------------------------------------------
Rajagopal Ananthanarayanan ("ananth")
Member Technical Staff, SGI.
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