• Subject: RE: What About Price vs. Performance?
  • From: Phil Groschwitz <sublime78ska@xxxxxxxxx>
  • Date: Wed, 4 Apr 2001 17:19:29 -0700 (PDT)

Would the efficiency of the html make a difference? 
No extra html, short form element names, etc?  Style
sheets and javascript referenced rather than inline?

Just wondering if an extremely efficient 5250
datastream is being compared to some terribly bloated
3.2 html, and if so, whether that would make a
difference.

Phil

--- Joe Pluta <joepluta@PlutaBrothers.com> wrote:
> I did EXACTLY that, Nathan, two or three weeks ago. 
> I think I did 200
> pageup/pagedowns.  I got the following numbers:
> 
> "A well written web application can serve up a 3KB
> dynamically generated web
> page in about 100msec [of CPU time], as opposed to a
> green screen
> application outputting 1920 characters (or less) in
> about 20msec."
> 
> About a 3-1 KB/sec ratio (or less).  Web was
> 30KB/sec, while green screen is
> a little less than 100KB/sec (or maybe a lot less,
> because I doubt that it
> painted the entire screen on the pageup and
> pagedown).  Of course, I'll have
> to do far more stringent testing than this to reduce
> the statistical error,
> but a 3-1 ratio isn't bad.
> 
> Joe
> 
> 
> > -----Original Message-----
> > From: owner-midrange-l@midrange.com
> > [mailto:owner-midrange-l@midrange.com]On Behalf Of
> Nathan M. Andelin
> > Sent: Wednesday, April 04, 2001 5:25 PM
> > To: MIDRANGE-L@midrange.com
> > Subject: Re: What About Price vs. Performance?
> >
> >
> > >I'll be doing some CPU timings, but subsecond
> ain't bad.
> >
> > Joe,
> >
> > With your revitalization work, you're probably in
> a great position to draw
> > some comparisons between 5250 and Web
> applications.  You might try hitting
> > the PageUp key on the 5250 screen about 100 times
> and track the
> > elapsed CPU
> > time.  Then do whatever corresponds to PageUp in
> the browser 100 times and
> > track the CPU time.  My guess is that the
> difference is vast.
> >
> > I wonder if IBM and it's customer really know how
> much more CPU time a Web
> > application takes.  It might make a difference in
> pricing if this kind of
> > data were published.
> >
> > BTW, your TCO points are excellent.  Thanks.
> >
> > Nathan.
> 
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