Date: Thu, 11 Nov 1999 16:21:11 -0800 From: "Jordan K. Hubbard" <jkh@zippy.cdrom.com> To: Ben Rosengart <ben@skunk.org> Cc: hackers@FreeBSD.ORG Subject: Re: make -jN world; how to determine optimal value of N? Message-ID: <35718.942366071@localhost> In-Reply-To: Your message of "Thu, 11 Nov 1999 17:11:45 EST." <Pine.BSF.4.20.9911111710220.99311-100000@penelope.skunk.org>
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> Does anyone know of a method for determining the optimal number of > concurrent jobs with which to make world (or anything else for that > matter), given the amount of RAM, speed of processor, version of > FreeBSD, speed and layout of disk(s), etc.? I doubt that such a method will ever be found, but more useful might be to figure out if there are any aspects of the Makefile hierarchy which already limit parallelization regardless of how much woof you've got in your machine. Some graphs I've done on a quad xeon strongly suggest this to be the case. - Jordan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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