bsd i386 on amd64

[Jeff Behl]

David O'Brien wrote:

>On Fri, Jan 21, 2005 at 04:06:16PM -0800, Jeff Behl wrote:
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>>i have a dual proc 3gHz AMD Opteron box
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>Impossible. :-)  The fastest Opteron right now is 2.5 GHz.
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yep, you got got me. they're 2gHz.


>>that i want to run java on, so 
>>it looks like i have to use the i386 build (any news on the jdk coming 
>>to AMD?).
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>You probably want to use the Linux 'i386' JDK.
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so Linux JDK is stable and has decent performance, and won't cause me 
any headache in terms of compatibility with things like Tomcat?  i guess 
byte code is byte, or so they say...


>>from what i've gathered, this should not be a problem and 
>>performance should be at least par compared to to running on a Xeon.  is 
>>this true?  i even seem to remember hearing rumor that the Opteron could 
>>even run i386 code faster, mHz to mHz, than a Xeon?
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>An Opteron runs all code faster MHz to MHz compared to Xeon.  Opteron
>has a shorter pipeline and thus can do more work per cycle.  Xeon has a
>very deep pipeline and thus can be clocked higher and must be clocked
>higher to get the same performance.
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great news, thanks much!

jeff