Fedora Users — OT: Is the AMD Phenom processor upwards compabible with the Opteron

OT: Is the AMD Phenom processor upwards compabible with the Opteron

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To: Fedora List <fedora-list@xxxxxxxxxx>

Subject: OT: Is the AMD Phenom processor upwards compabible with the Opteron

From: Jonathan Ryshpan <jonrysh@xxxxxxxxxxx>

Date: Wed, 26 Aug 2009 11:26:00 -0700

Organization: Berkeley Linux Team

Reply-to: "Community assistance, encouragement, and advice for using Fedora." <fedora-list@xxxxxxxxxx>

Configuring the kernel I came across a choice between generic-x86_64
processors, and the Opteron/Athlon/Hammer/K8 processors.  My system has
a 4-core Phenom processor.  Questions:

     1. Is the Phenom compatible with the Opteron/etc?  I.e. if I
        configure for the Opteron, will my kernel be reliable?  (This is
        not as easy to find out as I thought.)
     2. How much of a performance advantage is there to configuring for
        the Opteron as against the generic?

Thanks - jon


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