Date: Wed, 11 Jun 2008 14:46:44 -0500 From: Kirk Strauser <kirk@strauser.com> To: freebsd-questions@freebsd.org Subject: Re: Poor read() performance, and I can't profile it Message-ID: <200806111446.45234.kirk@strauser.com> In-Reply-To: <200806111442.50935.kirk@strauser.com> References: <200806051508.29424.kirk@strauser.com> <200806111442.50935.kirk@strauser.com>
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On Wednesday 11 June 2008, Kirk Strauser wrote: > On Linux: > > $ time ./cdbf /tmp/invoice.dbf >/dev/null > ./cdbf /tmp/invoice.dbf > /dev/null 42.65s user 20.09s system 71% cpu > 1:28.15 total > > On FreeBSD: Oops! I left that out: $ time /tmp/cdbf /var/tmp/invoice.dbf >/dev/null /tmp/cdbf /var/tmp/invoice.dbf > /dev/null 59.15s user 11.93s system 36% cpu 3:14.53 total Again, Linux is on a boring Dell workstation, FreeBSD is on a far faster Dell server 15K RPM SCSI drives (even if they don't come into play once the data files are buffered). -- Kirk Strauser
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