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Date:      Thu, 20 Jan 2005 14:54:27 -0500
From:      Gardner Bell <gbell72@rogers.com>
To:        freebsd-questions@freebsd.org
Subject:   Thread Scheduling
Message-ID:  <20050120195427.GA71178@gardnerbell.ca>

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While reading The Design and Implementation of FreeBSD I came across
the section on thread scheduling.  At the present time I am only
testing FreeBSD on a single processor system, but will be moving to an
SMP once I complete building it.  Now it says that since FreeBSD 5.0
the /sys/kern/sched_ule.c along with the historic 4.4BSD scheduler is
available to be used at the time the kernel is built.

My question is, will I notice any performance improvement by using the
new scheduler opposed to the 4.4BSD scheduler on an SMP system and can
the new scheduler be utilized on a single processor system?  The
intended use of the SMP system is for MySQL databases only.

Note: I'm far from a C or kernel guru so if anyone replies please
respond in a manner a noobie to C would understand.

Regards
Gardner



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