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Re: kernel compile time

To: kanoj@xxxxxxxxxxxxxxxxxxx (Kanoj Sarcar)
Subject: Re: kernel compile time
From: kanoj@xxxxxxxxxxxxxxxxxxx (Kanoj Sarcar)
Date: Wed, 31 May 2000 20:43:22 -0700 (PDT)
Cc: linux-origin@xxxxxxxxxxx, skunx@xxxxxxxxxxxxxxxxxxx
In-reply-to: <200006010243.TAA78270@xxxxxxxxxxxxxxxxxxx> from "Kanoj Sarcar" at May 31, 2000 07:43:38 PM
Sender: owner-linux-origin@xxxxxxxxxxx
> 
> Okay, after John tracked down the __kernel_clock_t size issue, and we
> implemented a sys32_times to translate from the kernel's view of 64 bit
> sized clock_t to the user's 32 bit view, here is the output of 
> 
> time make ARCH=mips vmlinux
> 
> on an SMP kernel:
> 
> 742.60user 98.79system 13:28.03elapsed 104%CPU (0avgtext+0avgdata 
> 0maxresident)k
> 0inputs+0outputs (497099major+616071minor)pagefaults 0swaps
> 
> The wall time looks really bad ...
> 
> Kanoj
> 

Here's some more "time" results:

make
742.60user 98.79system 13:28.03elapsed 104%CPU (0avgtext+0avgdata 
0maxresident)k0inputs+0outputs (497099major+616071minor)pagefaults 0swaps

make -j4
741.31user 127.30system 4:14.02elapsed 341%CPU (0avgtext+0avgdata 
0maxresident)k0inputs+0outputs (497100major+616061minor)pagefaults 0swaps

make -j6
751.95user 127.98system 4:00.42elapsed 365%CPU (0avgtext+0avgdata 
0maxresident)k0inputs+0outputs (497100major+616009minor)pagefaults 0swaps

make -j8
754.64user 129.48system 4:07.33elapsed 357%CPU (0avgtext+0avgdata 
0maxresident)k0inputs+0outputs (497100major+615999minor)pagefaults 0swaps

Kanoj

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