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Article #273

Re: Dual processors ?

#273
From: Christopher Browne
Date: Sun, 05 Jan 2003 13:54
21 lines
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After a long battle with technology,Floyd Davidson <floyd@ptialaska.net>, an earthling, wrote:
>   >make clean;time make bzImage
>
> The above command ran in 2 minutes and 37 seconds, while
>
>   >make clean;time make -j2 MAKE='make -j2' bzImage
>
> ran in 1 minute 28 seconds.
>
> Basically, by taking advantage of both cpu's the compile was 1.8
> times as fast.

You /might/ discover that "-j3" or "-j4" would provide a little better
performance, still, as it means that extra processes can get a bit of
CPU bandwidth when other processes are waiting for I/O to complete.
That does happen with kernel compilation.
-- 
output = ("cbbrowne" "@ntlug.org")
http://cbbrowne.com/info/multiplexor.html
Eagles may soar, free and proud, but weasels never get sucked into jet
engines.
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From: Christopher Browne <cbbrowne@acm.org>
Newsgroups: aus.computers.linux,comp.os.linux.hardware,aus.ads.forsale.computers.used
Subject: Re: Dual processors ?
Date: 5 Jan 2003 13:54:42 GMT
Organization: cbbrowne Computing Inc
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