Date: 12 Nov 1999 00:01:18 +0100 From: Assar Westerlund <assar@sics.se> To: Ben Rosengart <ben@skunk.org> Cc: hackers@FreeBSD.ORG Subject: Re: make -jN world; how to determine optimal value of N? Message-ID: <5lzowk7hvl.fsf@foo.sics.se> In-Reply-To: Ben Rosengart's message of "Thu, 11 Nov 1999 17:59:29 -0500 (EST)" References: <Pine.BSF.4.20.9911111758230.99311-100000@penelope.skunk.org>
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Ben Rosengart <ben@skunk.org> writes: > D'oh -- I *meant* to add "besides trying different values and measuring" > -- if I had that much time on my hands, I wouldn't be worrying about how > long a make world takes. :-) I think trying to come up with a formula for calculating the optimal value based on the amount of RAM, type of CPU, speed of CPU, version of BSD, number, speeds, layout(s), previsous contents of *... etc is really much harder than to measure it. Other than that, I think the `make -j4' suggested for a single CPU in the handbook is a fairly good approximation. /assar To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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