Date: Mon, 12 Apr 2004 22:41:54 +0100 From: Colin Percival <colin.percival@wadham.ox.ac.uk> To: Divacky Roman <xdivac02@eva.fit.vutbr.cz> Cc: current@freebsd.org Subject: Re: Optimizing RCng execution speed ? Message-ID: <6.0.1.1.1.20040412223815.043a2e68@imap.sfu.ca> In-Reply-To: <20040411083611.GA63990@stud.fit.vutbr.cz> References: <11095.1081621779@critter.freebsd.dk> <20040411083611.GA63990@stud.fit.vutbr.cz>
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At 09:36 11/04/2004, Divacky Roman wrote: >RCng uses dependancies so it naturally makes a graph where some nodes >are independant of each other. what about executing this in parallel? I've put together some code for this -- I hacked up rcorder to output sets of scripts which can be run simultaneously, had rc.subr run them in the background, and had /etc/rc wait after each group. Much to my surprise, it didn't help -- in fact, it resulted in a 5% slowdown (on my single processor, HTT-enabled system). Colin Percival
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