Jeff asks:
> My point (finally) is why 24Mb memory is insufficient.  We all know that it
> isn't enough for MPE/iX, but why not?
 
This isn't *why*, but provides a first-level reason:
 
Here's the output of running PAGES (formerly a Nugget, now part of the
System Manager's Toolbox from Lund Performance Solutions), showing how
memory is currently used on our 917:
 
   PAGES [2.22] - LPS Toolbox [A.01a]     (c) 1995 Lund Performance Solutions
 
   For Help at the PAGES prompt enter   ?
 
   SERIES 917LX
   MPE/iX 5.0 (or later)
   #CPUS: 1
   Memory size: 88 MB (92,274,688 bytes; 22,528 logical pages)
 
   PAGES: s
   Memory size: 22,528 logical pages (88 MB)
         9,310 Dirty,   15,866 Referenced,    5,817 Frozen.    1,682 Unused.
     (   4,927 Dirty,   10,314 Referenced of the unfrozen pages)
 
      State of in-use pages:  20,196 Present, 0 IMI, 579 ROC, 70 Absent.
 
   Memory usage by "type" of Object Class:
 
          Class     #LogicalPages  #MB  % total
      ------------- -------------  ---  -------
      SYSTEM_CODE           4,167   16    18.5%
      SYSTEM_DATA           8,793   34    39.0%
      UNUSED                1,682    6     7.5%
      USER_CODE             2,332    9    10.4%
      USER_DATA               979    3     4.3%
      USER_STACK            1,836    7     8.1%
      USER_FILE             2,738   10    12.2%
 
      Totals:              22,527   87   100.0%
 
      "User" pages are  42.5% of memory (38 MB out of 88 MB)
 
The SYSTEM_CODE and SYSTEM_DATA categories, combined, are using 50 MB
on my machine.  On a smaller machine, these numbers drop slightly,
but still add up to a *LOT* of memory.
 
Does anyone with a small member machine have PAGES, and (if so), can they
share the output of the "S" command with us?
 
<PLUG>
 
If not, they can contact Bill Lancaster at (503) 926-3800.
 
</PLUG>
 
--
Stan Sieler                                          [log in to unmask]
                                     http://www.allegro.com/sieler.html