Date: Thu, 11 Nov 1999 15:59:17 -0800 (PST) From: Kip Macy <kip@lyris.com> To: Ben Rosengart <ben@skunk.org> Cc: Assar Westerlund <assar@sics.se>, hackers@freebsd.org Subject: Re: make -jN world; how to determine optimal value of N? Message-ID: <Pine.SOL.4.05.9911111558050.16219-100000@luna> In-Reply-To: <Pine.BSF.4.20.9911111815450.99311-100000@penelope.skunk.org>
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That is the same specious logic that is used for Linux's "threads" you have diminishing marginal returns as the number gets larger due to context switching overhead. -Kip On Thu, 11 Nov 1999, Ben Rosengart wrote: > On 12 Nov 1999, Assar Westerlund wrote: > > > Other than that, I think the > > `make -j4' suggested for a single CPU in the handbook is a fairly good > > approximation. > > On what basis? I usually use larger values, like 12, on the theory that > I have more than enough memory, and if there's free CPU, there should > always be a process available to use it. > > -- > Ben Rosengart > > UNIX Systems Engineer, Skunk Group > StarMedia Network, Inc. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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