RE: Power6 on System i

You have to realize that when people talk about a 515, it really doesn't
have 3800 CPW. CPW is measured with max memory and max disk, but a 515 is
constrained by only 16GB of memory, and all the disk must reside in the
CEC, no HSL connections, nor external disk. Therefore, you would never be
able to get 3800 out of a 515.

Its a fantastic box, and unbelievable when you look at price vs
performance, but you won't get 3800 CPW from the box. Now, when you talk
about power 6, you are going to have much higher clock speeds on the CPU,
which will make the CPU intensive jobs run better, but remember that most
i5s tend to be constrained by I/O. So, as you increase clock speed, you
must also increase the speed of memory, the speed of the bus, and the
speed of I/O to really get the best performance.

JMHO

Pete

---------------------------- Original Message ----------------------------
Subject: RE: Power6 on System i
From: "albartell" <albartell@xxxxxxxxx>
Date: Wed, May 23, 2007 9:47 am
To: "'Midrange Systems Technical Discussion'" <midrange-l@xxxxxxxxxxxx>
--------------------------------------------------------------------------

What would a 4.7GHz i5 end up having for CPW on an "un-governed" machine?
I
am guessing for a 515 it would be somewhere in the neighborhood of
3800x2=7600??!! Nice!!

Aaron Bartell
http://mowyourlawn.com


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of David Gibbs
Sent: Wednesday, May 23, 2007 8:32 AM
To: Midrange Systems Technical Discussion
Subject: Power6 on System i

I heard from a co-worker, who was at COMMON UK, that Frank Soltis
announced
that there were new System p models using the Power 6 technology where the
chip speed is 4.7 GHZ with no special cooling requirements. Apparently
Intel
could not do this and had to withdraw their fast processors from the
market
a while back. He was thrilled.
When they pre-announced last year clock speeds of 4-5 in the press some
analysts called them liars. He seemed vindicated.

He also mentioned to expect new System i models NEXT year using this
technology.

david

--
System i ... for when you can't afford to be out of business
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