Martin,

NICE CATCH...!  See inline...

jt


| -----Original Message-----
| From: midrange-l-admin@midrange.com
| [mailto:midrange-l-admin@midrange.com]On Behalf Of Martin Rowe
| Sent: Friday, December 14, 2001 1:26 AM
| To: midrange-l@midrange.com
| Subject: iSeries I/O (wasRe: OS-X vs. Windows)
|
|
| On Fri, 2001-12-14 at 05:57, thomas@inorbit.com wrote:
| > On Tue, 11 December 2001, James Rich wrote:
| >
| > >
| > > On Tue, 11 Dec 2001, Scott Klement wrote:
| > >
| > > > I think your benchmarks would be radically different
| depending on what
| > > > you were actually benchmarking for.  Database I/O would
| almost definitely
| > > > favor the iSeries.  Network I/O would certainly go towards
| one of the
| > > > other platforms.
| > >
| > > Why do you believe that database i/o would be better on
| iSeries?  If both
| > > systems run DB2 then the only advantage I can think of is that iSeries
| > > probably runs DB2 in kernel.
| >
| > I believe the common answer is that iSeries relies heavily on
| I/O processors.
| > Unix (or Windows or...) apparently has no common (if any) means of
| > supporting similar. No?
| >
| > Tom Liotta
|
| The following quote[1] from Frank Soltis seems to agree.
|
| ...", but the RS/6000 was just an AS/400 without the I/O processors as
| UNIX cannot make use of the capabilities of I/O processors. That˙s why
| the AS/400 would always win over the RS/6000 for I/O intensive
| applications whilst the RS/6000 is the machine for compute intensive
| scenarios."

The only part I'm not getting is WHY the RS/6000 would have been the machine
for "compute intensive scenarios".  Given that they were/are running on
essentially the same processor.  Internal IBM politics?  Or OS tuned better?

|
| Regards, Martin
| [1] http://www.it-director.com/article.php?id=2416 I found this linked
| to from one of the Linux news sites I read. With the advent of Linux on
| iSeries, the iSeries seems to be getting mentioned in the Linux press
| much more often. No bad thing for either platform (IMHO).

I agree.  Now, I'm not over-sold (to put it mildly ;-) on Linux.  But I'm
REAL glad to see iSeries in the Linux press...!  Yer lucky I don't have time
to get into the other subject. ;D !  (Plus, I hope to keep you in suspense
until (if and when) Chapter 1 comes out...!)



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