Date: Sun, 17 Feb 2002 11:06:08 -0800 (PST) From: "M. Warner Losh" <imp@village.org> To: julian@elischer.org Cc: dillon@apollo.backplane.com, arch@FreeBSD.ORG, jhb@FreeBSD.ORG Subject: Re: revised buildworld comparison stable vs current Message-ID: <20020217.110608.94337769.imp@village.org> In-Reply-To: <Pine.BSF.4.21.0202171034300.39539-100000@InterJet.elischer.org> References: <200202171824.g1HIOnw71118@apollo.backplane.com> <Pine.BSF.4.21.0202171034300.39539-100000@InterJet.elischer.org>
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In message: <Pine.BSF.4.21.0202171034300.39539-100000@InterJet.elischer.org>
Julian Elischer <julian@elischer.org> writes:
: please (I know it's a lot of work) try WITNESS turned off too..
: (as it didn' exist in STABLE)
looks like witness was turned OFF. See below:
: On Sun, 17 Feb 2002, Matthew Dillon wrote:
:
: > (note: source is NFS mounted. /usr/obj is local disk. Witness is
^^^^^^^^^^
: > turned off on all -current builds).
^^^^^^^^^^
>> stable: 1800 seconds
>> current/invariants: 2219 seconds
>> current/no-invariants 2142 seconds
So it looks like -current w/o invariants is 19% slower than -stable
for the world-stone.
Matt, is it safe to assume that the same tuning stuff is done on both
-stable and -current? And that the -current numbers don't represent
building, say profile, while the -stable ones don't. My gut tells me
they are done the same since 19% is the ballpark of slowdown in
-current I'd expect...
Warner
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