lower the Hipersocket Capacity
(bandwidth).
Does IBM downgrade a cpu by inserting dummy cycles or lowering the clock speed
?
kind regards
Horst Rempel
BG-Chemie Heidelberg
-Ursprüngliche Nachricht-
Von: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] Im Auftrag von
Alan Altmark
Rempel, Horst writes:
I am a little bit confused because on of your german IBM colleagues told me
that hipersocket transfers is the
job of the service processor (I/O processor) and will allways run at full
speed independent of the capacity setting for the cpu.
The redbook HiperSockets
On Thu, 24 Jul 2008 11:08:37 +0100, Malcolm Beattie [EMAIL PROTECTED]
wrote:
The redbook HiperSockets Implementation Guide (SG24-6816)
available from http://www.redbooks.ibm.com/abstracts/sg246816.html
explains the common case in section 1.3:
HiperSockets operations are executed on the CP
How does one go about determining the 'capacity' of a Hipersocket
connection/interface between z/OS- z/VM?
Steve Mitchell
Sr Systems Software Specialist
Blue Cross Blue Shield of Kansas
(785) 291-8885
'There are no degrees of Honesty-you're either Honest or you're not!
CONFIDENTIALITY
On Wednesday, 07/23/2008 at 02:59 EDT, Steve Mitchell
[EMAIL PROTECTED] wrote:
How does one go about determining the 'capacity' of a Hipersocket
connection/interface between z/OS- z/VM?
Measure it. It is a function of CPU.
I don't know if sub-cap machines run HiperSockets at full speed or
Measure it. It is a function of CPU.
Where might I find some guidance on how to accomplish that? In Therory I
understand what you are expressing In Practice I dont have much of a
clue about how to go about it.
Steve Mitchell
Sr Systems Software Specialist
Blue Cross Blue Shield of Kansas
-Original Message-
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark
Sent: Wednesday, July 23, 2008 3:07 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Hipersocket Capacity
On Wednesday, 07/23/2008 at 02:59 EDT, Steve Mitchell
[EMAIL PROTECTED
On Wednesday, 07/23/2008 at 04:15 EDT, McKown, John
[EMAIL PROTECTED] wrote:
Just some thoughts on this. From what I understand, a hipersocket is
really a way to move data from one memory location in one LPAR to
another memory location on another LPAR in the same CEC.
Or to the same LPAR, it
On Wed, Jul 23, 2008 at 10:10 PM, Steve Mitchell
[EMAIL PROTECTED] wrote:
Measure it. It is a function of CPU.
Where might I find some guidance on how to accomplish that? In Therory I
understand what you are expressing In Practice I dont have much of a
clue about how to go about it.
The
Reminds me of the customer who measured the OSA bandwidth by copying
the ISO image from one Linux machine to the other with scp (burning
his shared IFL by encrypting and decrypting the file).
That's how one Linux (on Intel) expert proved to management that
hipersockets are slower than the
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