Date: Thu, 17 Jul 2003 01:01:49 +0300 From: "Petri Helenius" <pete@he.iki.fi> To: "Steven Hartland" <killing@barrysworld.com>, "Jin Guojun [DSD]" <j_guojun@lbl.gov>, <freebsd-performance@freebsd.org> Subject: Re: timer counter chip access mystery] Message-ID: <075101c34be5$db5e4c10$812a40c1@PETEX31> References: <3F15C584.38848DCE@lbl.gov> <071401c34be3$71a03510$812a40c1@PETEX31> <00b501c34be5$351a83f0$b3db87d4@vader>
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5.x defaults to ACPI or TSC timers. So your wish has been transported by a timemachine into the past. With 4.x you have to set it manually. Pete ----- Original Message ----- From: "Steven Hartland" <killing@barrysworld.com> To: "Petri Helenius" <pete@he.iki.fi>; "Jin Guojun [DSD]" <j_guojun@lbl.gov>; <freebsd-performance@freebsd.org> Sent: Thursday, July 17, 2003 12:57 AM Subject: Re: timer counter chip access mystery] > If this could be changed / fixed it would have a marked performance increase > for all game server code which use this function heavily from what I've seen > and would explain the sometimes huge performance differential between > FreeBSD and Linux. > > Steve / K > ----- Original Message ----- > From: "Petri Helenius" <pete@he.iki.fi> > To: "Jin Guojun [DSD]" <j_guojun@lbl.gov>; <freebsd-performance@freebsd.org> > Sent: Wednesday, July 16, 2003 10:44 PM > Subject: Re: timer counter chip access mystery] > > > > > > This access happens over ISA bus and thus happens at the speed the bus > > operates at. Use TSC or ACPI for faster gettimeofday. > > > > Pete > >home | help
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