bsd i386 on amd64
alan.barrow at psinet.telstra.co.uk
alan.barrow at psinet.telstra.co.uk
Sat Jan 22 13:19:57 PST 2005
Compare 248 against dual 2.8 xeon 2 gig of ram each the dual opteron running
the jdk on i386 and tomcat is at least twice as fast on compile time for a
start.
The amd's are animals, you WILL have trouble abusing the system.
yours a.r.b.
-----Original Message-----
From: owner-freebsd-amd64 at freebsd.org
[mailto:owner-freebsd-amd64 at freebsd.org]On Behalf Of Jeff Behl
Sent: 22 January 2005 00:17
To: freebsd-amd64 at FreeBSD.org
Subject: Re: bsd i386 on amd64
David O'Brien wrote:
>On Fri, Jan 21, 2005 at 04:06:16PM -0800, Jeff Behl wrote:
>
>
>>i have a dual proc 3gHz AMD Opteron box
>>
>>
>
>Impossible. :-) The fastest Opteron right now is 2.5 GHz.
>
>
>
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?).
>>
>>
>
>You probably want to use the Linux 'i386' JDK.
>
>
>
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?
>>
>>
>
>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.
>
>
>
great news, thanks much!
jeff
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