Date: Fri, 28 Jun 2002 21:40:06 -0700 (PDT) From: Matthew Dillon <dillon@apollo.backplane.com> To: Julian Elischer <julian@elischer.org>, "Long, Scott" <Scott_Long@adaptec.com> Cc: FreeBSD current users <current@FreeBSD.ORG> Subject: Re: something funny with soft updates? Message-ID: <200206290440.g5T4e6EU009321@apollo.backplane.com> References: <Pine.BSF.4.21.0206281233500.75410-100000@InterJet.elischer.org>
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:maybe, but whan I first committed soft updates, I got between 10 and 15 %
:improvements in times..
Here is what I get on -STABLE, building the world. So my earlier
statement about it not making a big difference was wrong :-) These
are on a DELL2550 with /usr/src and /usr/obj on a single SCSI drive
(/usr/src on a 2G partition, /usr/obj on a 2G partition).
cd /usr/src
mv ~dillon/bwtest.out ~dillon/bwtest.out.bak
( /usr/bin/time -l make -j 5 buildworld ) >>& ~dillon/bwtest.out
( /usr/bin/time -l make -j 5 buildworld ) >>& ~dillon/bwtest.out
( /usr/bin/time -l make -j 5 buildworld ) >>& ~dillon/bwtest.out
fgrep user ~dillon/bwtest.out | fgrep real | fgrep sys | fgrep . | \
fgrep -v .c > XXX
test1# cat x1 WITH SOFTUPDATES
1497.09 real 1397.98 user 612.06 sys
1500.12 real 1399.33 user 609.79 sys
1494.82 real 1398.30 user 612.46 sys
test1# cat x2 WITHOUT SOFTUPDATES (normal ufs mount)
2449.14 real 1401.34 user 625.54 sys
2389.75 real 1400.38 user 629.86 sys
2358.82 real 1403.26 user 624.93 sys
I'll try -current next.
-Matt
Matthew Dillon
<dillon@backplane.com>
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