On Friday, 11/09/2007 at 04:42 EST, Steve Marak <[EMAIL PROTECTED]>
wrote:
> I have one of those (somewhere), and even more coincidentally, was
> thinking of it for reasons entirely unrelated to this thread just
> yesterday. How I came to have it is more ironic than coincidental, given
> how litt
Mark,
I have one of those (somewhere), and even more coincidentally, was
thinking of it for reasons entirely unrelated to this thread just
yesterday. How I came to have it is more ironic than coincidental, given
how little I know - or ever knew - about CICS.
I've never seen another, although t
If we didn't have caching controllers and we were still on the 370 I/O
subsystem, would we still be concerned about RPS misses now a days?
I think most disk drives have 512K of cache on them. My understanding is that
you don't read/write directly to the disk anymore, but to the drive cache.
An
riginal Message-
> > From: The IBM z/VM Operating System
> > [mailto:[EMAIL PROTECTED] On Behalf Of Phil Smith III
> > Sent: Thursday, November 08, 2007 1:48 PM
> > To: IBMVM@LISTSERV.UARK.EDU
> > Subject: Poster of computer hardware events?
> >
> > A buddy asked me:
&
On Nov 9, 2007 3:00 PM, Phil Smith III <[EMAIL PROTECTED]> wrote:
> "Schuh, Richard" <[EMAIL PROTECTED]> wrote:
> >Don't forget that Marty's note mentioned the word "miss" in conjunction
> >with "RPS"
>
> Right...so an "RPS miss" is when your rock/paper/scissors doesn't work out
> for you...
We
"Schuh, Richard" <[EMAIL PROTECTED]> wrote:
>Don't forget that Marty's note mentioned the word "miss" in conjunction
>with "RPS"
Right...so an "RPS miss" is when your rock/paper/scissors doesn't work out for
you...
Back on topic, thanks for the reminiscences; I'll pass it along, see if that
ri
On Nov 8, 2007 2:40 PM, Mike Walter <[EMAIL PROTECTED]> wrote:
>
> Marty asked: "*RPS miss (show of hands: who remembers what that was?*)"
>
> Not being in the office tomorrow, it's Friday a day early for me. So how
> 'bout:
>
> - *R*ock *P*aper *S*cissors
> - *R*evolutions *P*er *S*econd
> - *R*
marty zimelis wrote:
Phil,
Unless there was something else out there (a poster or whatever), that
would have been me doing a riff in my VM Performance classes, first for
Amdahl, then for Velocity. Your buddy's time frame is about right (15 years
ago). I was attempting to emphasize the impact
>>> On Thu, Nov 8, 2007 at 10:26 PM, in message <[EMAIL PROTECTED]>, Jim
Bohnsack <[EMAIL PROTECTED]> wrote:
-snip-
> Nevertheless, Performance Toolkit reports Dasd response
> time in the 1 ms range vs. the 30 ms. time I was used to in the spinning
> Dasd days
Oh, the DASD still spins, just a l
Phil Smith III
Sent: Thursday, November 08, 2007 1:48 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Poster of computer hardware events?
A buddy asked me:
"At a previous employer, someone had an article, poster or
something (I know - real specific - it was 15+ years ago)
that tried to put the tim
On Nov 8, 2007 8:10 PM, Marty Zimelis <[EMAIL PROTECTED]> wrote:
> ago). I was attempting to emphasize the impact of an RPS miss (show of
> hands: who remembers what that was?) on response time.
Now that's not so long ago... ;-) From the Linux 2.4 sources:
http://lxr.linux.no/source/drivers/s39
er 08, 2007 12:11 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Poster of computer hardware events?
Yep.
Revolutions Per Second worried about it
the middle 80's
Radiation Protection Suit wore one in the
early 70's
Ed Marti
ing System [mailto:[EMAIL PROTECTED] On
Behalf Of Mike Walter
Sent: Thursday, November 08, 2007 2:41 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Poster of computer hardware events?
Marty asked: "RPS miss (show of hands: who remembers what that was?)"
Not being in the office tomorrow, it&
Marty asked: "RPS miss (show of hands: who remembers what that was?)"
Not being in the office tomorrow, it's Friday a day early for me. So how
'bout:
- Rock Paper Scissors
- Revolutions Per Second
- Radiation Protection Suit
- "Rps Miss Sure Gold" -- from:
www.allbreedpedigree.com/rps+miss+sur
Rotational Position Sensing
Regards,
Richard Schuh
-Original Message-
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of Marty Zimelis
Sent: Thursday, November 08, 2007 11:11 AM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: Poster of computer hardware events?
Phil
ng System
> [mailto:[EMAIL PROTECTED] On Behalf Of Phil Smith III
> Sent: Thursday, November 08, 2007 1:48 PM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Poster of computer hardware events?
>
> A buddy asked me:
>
> "At a previous employer, someone had an article, poster
> -Original Message-
> From: The IBM z/VM Operating System
> [mailto:[EMAIL PROTECTED] On Behalf Of Phil Smith III
> Sent: Thursday, November 08, 2007 12:48 PM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Poster of computer hardware events?
>
>
> A buddy as
A buddy asked me:
"At a previous employer, someone had an article, poster or something (I know -
real specific - it was 15+ years ago) that tried to put the time for computer
events into perspective. It started with the quickest instruction (RR) having a
baseline of 1 second. It the proceeded t
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